Published in Weather / French Guiana Weather Temperature |
Weather Forecast for Grand-Santi (Saint-Laurent-du-Maroni, French Guiana)
View weather forecasts for other places in French Guiana
Forecast Overview
Wed Mar 12 86°F 72°F 30°C 22°C Chance of heavy rain at various times.
detailsThu Mar 13 86°F 72°F 30°C 22°C Chance of rain most of the day.
detailsFri Mar 14 88°F 72°F 31°C 22°C Chance of heavy rain at various times.
detailsSat Mar 15 79°F 72°F 26°C 22°C Chance of rain at various times.
detailsSun Mar 16 84°F 72°F 29°C 22°C Chance of rain at various times.
detailsMon Mar 17 90°F 72°F 32°C 22°C Chance of rain before sunrise and in the afternoon.
detailsTue Mar 18 86°F 70°F 30°C 21°C Chance of rain in the morning and in the afternoon.
detailsWed Mar 19 84°F 70°F 29°C 21°C Chance of rain in the morning and in the afternoon.
detailsThu Mar 20 90°F 70°F 32°C 21°C Chance of rain in the morning and in the afternoon.
details
Detailed Forecast
Wednesday, March 12 | sunrise: 06:45 sunset: 18:49 |
![]() | Low around 71°F (22°C), high around 85°F (30°C). Chance of heavy rain in the morning (before 6 am and from 9 am to 12 pm) and late in the afternoon (from 3 pm to 6 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 1.16 in (29.5 mm). Considerable cloudiness. Wind: 3 mph (5 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Chance of rain. Precipitation: 0.31 in (7.8125 mm). | 72°F (22°C) | 3 mph (5 km/h) | 100% | 0.425% |
03:00 06:00 | ![]() | Chance of heavy rain. Precipitation: 0.44 in (11.25 mm). | 71°F (22°C) | 1 mph (2 km/h) | 100% | 0.417% |
06:00 09:00 | ![]() | Mostly sunny, with a few passing clouds. Precipitation: 0 in (0.125 mm). | 75°F (24°C) | 3 mph (4 km/h) | 94% | 0.403% |
09:00 12:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.04 in (1.125 mm). | 80°F (27°C) | 3 mph (5 km/h) | 84% | 0.394% |
12:00 15:00 | ![]() | Sunny. Precipitation: 0.17 in (4.25 mm). | 81°F (27°C) | 1 mph (2 km/h) | 86% | 0.397% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.13 in (3.25 mm). | 77°F (25°C) | 3 mph (5 km/h) | 96% | 0.402% |
18:00 21:00 | ![]() | Overcast. Precipitation: 0.03 in (0.75 mm). | 73°F (23°C) | 3 mph (4 km/h) | 98% | 0.394% |
21:00 00:00 | ![]() | Overcast. Precipitation: 0.04 in (0.9375 mm). | 72°F (22°C) | 1 mph (2 km/h) | 100% | 0.394% |

Thursday, March 13 | sunrise: 06:45 sunset: 18:49 |
![]() | Low around 71°F (22°C), high around 85°F (30°C). Chance of rain most of the day except from 6 am to 9 am. The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.44 in (11.1875 mm). Overcast skies. Wind: 4 mph (6 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Mostly cloudy. Precipitation: 0.05 in (1.25 mm). | 72°F (22°C) | 1 mph (2 km/h) | 100% | 0.398% |
03:00 06:00 | ![]() | Chance of rain. Precipitation: 0.06 in (1.4375 mm). | 72°F (22°C) | 2 mph (2 km/h) | 100% | 0.4% |
06:00 09:00 | ![]() | Overcast. Precipitation: 0 in (0.125 mm). | 73°F (23°C) | 2 mph (4 km/h) | 98% | 0.391% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.125 mm). | 84°F (29°C) | 4 mph (6 km/h) | 68% | 0.384% |
12:00 15:00 | ![]() | Chance of light rain. Precipitation: 0.03 in (0.75 mm). | 83°F (28°C) | 3 mph (5 km/h) | 75% | 0.378% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.1 in (2.625 mm). | 78°F (25°C) | 3 mph (5 km/h) | 94% | 0.388% |
18:00 21:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.16 in (4.125 mm). | 72°F (22°C) | 2 mph (4 km/h) | 99% | 0.404% |
21:00 00:00 | ![]() | Considerable cloudiness. Precipitation: 0.03 in (0.75 mm). | 71°F (22°C) | 2 mph (4 km/h) | 99% | 0.395% |

Friday, March 14 | sunrise: 06:44 sunset: 18:49 |
![]() | Low around 71°F (22°C), high around 88°F (31°C). Chance of heavy rain in the morning (between 6 am and 12 pm) and in the evening (after 6 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 1.7 in (42.3125 mm). Overcast skies. Wind: 4 mph (6 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Overcast. | 71°F (22°C) | 2 mph (3 km/h) | 100% | 0.39% |
03:00 06:00 | ![]() | Overcast. | 72°F (22°C) | 2 mph (3 km/h) | 100% | 0.387% |
06:00 09:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 74°F (23°C) | 3 mph (4 km/h) | 97% | 0.384% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.125 mm). | 80°F (27°C) | 4 mph (6 km/h) | 75% | 0.378% |
12:00 15:00 | ![]() | Overcast. Precipitation: 0 in (0.0625 mm). | 88°F (31°C) | 1 mph (2 km/h) | 55% | 0.371% |
15:00 18:00 | ![]() | Overcast. Precipitation: 0.08 in (2.0625 mm). | 76°F (25°C) | 2 mph (4 km/h) | 96% | 0.379% |
18:00 21:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.23 in (5.875 mm). | 73°F (23°C) | 2 mph (4 km/h) | 99% | 0.407% |
21:00 00:00 | ![]() | Chance of heavy rain. Precipitation: 1.34 in (34.125 mm). | 72°F (22°C) | 1 mph (1 km/h) | 100% | 0.428% |

Saturday, March 15 | sunrise: 06:44 sunset: 18:49 |
![]() | Low around 71°F (22°C), high around 79°F (26°C). Chance of rain early in the morning (until 9 am) and again in the afternoon (between 12 pm and 6 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.32 in (8.125 mm). Overcast skies. Wind: 4 mph (6 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Chance of rain. Precipitation: 0.05 in (1.375 mm). | 71°F (22°C) | 0 mph (1 km/h) | 100% | 0.41% |
03:00 06:00 | ![]() | Chance of rain. Precipitation: 0.04 in (1.0625 mm). | 71°F (22°C) | 1 mph (2 km/h) | 100% | 0.406% |
06:00 09:00 | ![]() | Chance of rain. Precipitation: 0.14 in (3.4375 mm). | 72°F (22°C) | 1 mph (2 km/h) | 100% | 0.413% |
09:00 12:00 | ![]() | Overcast. Precipitation: 0.03 in (0.875 mm). | 74°F (23°C) | 2 mph (4 km/h) | 97% | 0.405% |
12:00 15:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 78°F (26°C) | 3 mph (5 km/h) | 83% | 0.397% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.05 in (1.3125 mm). | 75°F (24°C) | 4 mph (6 km/h) | 97% | 0.396% |
18:00 21:00 | ![]() | Overcast. | 72°F (22°C) | 2 mph (4 km/h) | 100% | 0.393% |
21:00 00:00 | ![]() | Mostly cloudy. | 71°F (22°C) | 1 mph (2 km/h) | 100% | 0.391% |

Sunday, March 16 | sunrise: 06:43 sunset: 18:49 |
![]() | Low around 71°F (22°C), high around 85°F (29°C). Chance of rain between 9 am and 12 pm, between 3 pm and 6 pm and after 9 pm. The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.5 in (12.625 mm). Overcast skies. Wind: 4 mph (6 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Considerable cloudiness. | 71°F (22°C) | 1 mph (2 km/h) | 100% | 0.389% |
03:00 06:00 | ![]() | Overcast. | 71°F (22°C) | 1 mph (1 km/h) | 100% | 0.387% |
06:00 09:00 | ![]() | Overcast. Precipitation: 0 in (0.125 mm). | 73°F (23°C) | 1 mph (2 km/h) | 98% | 0.386% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.375 mm). | 83°F (28°C) | 3 mph (5 km/h) | 72% | 0.382% |
12:00 15:00 | ![]() | Considerable cloudiness. Precipitation: 0.16 in (4.1875 mm). | 81°F (27°C) | 4 mph (6 km/h) | 85% | 0.388% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.22 in (5.5625 mm). | 77°F (25°C) | 4 mph (6 km/h) | 96% | 0.407% |
18:00 21:00 | ![]() | Overcast. Precipitation: 0.08 in (2 mm). | 73°F (23°C) | 3 mph (4 km/h) | 99% | 0.399% |
21:00 00:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.375 mm). | 72°F (22°C) | 2 mph (3 km/h) | 100% | 0.396% |

Monday, March 17 | sunrise: 06:43 sunset: 18:49 |
![]() | Low around 71°F (22°C), high around 89°F (32°C). Chance of rain between midnight and 3 am and during the afternoon (between 12 pm and 6 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.35 in (8.9375 mm). Overcast skies. Wind: 6 mph (10 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.15 in (3.6875 mm). | 72°F (22°C) | 2 mph (3 km/h) | 100% | 0.409% |
03:00 06:00 | ![]() | Overcast. Precipitation: 0.03 in (0.8125 mm). | 72°F (22°C) | 1 mph (2 km/h) | 100% | 0.404% |
06:00 09:00 | ![]() | Overcast. | 74°F (23°C) | 1 mph (2 km/h) | 97% | 0.396% |
09:00 12:00 | ![]() | More clouds than sun. Precipitation: 0 in (0.0625 mm). | 86°F (30°C) | 5 mph (8 km/h) | 58% | 0.386% |
12:00 15:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.125 mm). | 87°F (31°C) | 6 mph (10 km/h) | 56% | 0.375% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.12 in (2.9375 mm). | 77°F (25°C) | 3 mph (5 km/h) | 96% | 0.389% |
18:00 21:00 | ![]() | Overcast. Precipitation: 0.05 in (1.3125 mm). | 72°F (22°C) | 2 mph (4 km/h) | 98% | 0.391% |
21:00 00:00 | ![]() | Overcast. | 72°F (22°C) | 2 mph (4 km/h) | 99% | 0.387% |

Tuesday, March 18 | sunrise: 06:43 sunset: 18:48 |
![]() | Low around 70°F (21°C), high around 87°F (30°C). Chance of rain from 9 am to 6 pm. The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.16 in (3.9375 mm). Considerable cloudiness. Wind: 5 mph (9 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Overcast. | 71°F (21°C) | 2 mph (3 km/h) | 100% | 0.385% |
03:00 06:00 | ![]() | Partly cloudy. | 70°F (21°C) | 2 mph (3 km/h) | 100% | 0.383% |
06:00 09:00 | ![]() | Overcast. | 75°F (24°C) | 4 mph (6 km/h) | 92% | 0.381% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.1875 mm). | 85°F (29°C) | 5 mph (9 km/h) | 59% | 0.373% |
12:00 15:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.04 in (1.125 mm). | 84°F (29°C) | 5 mph (8 km/h) | 70% | 0.368% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.08 in (2.0625 mm). | 77°F (25°C) | 3 mph (5 km/h) | 95% | 0.372% |
18:00 21:00 | ![]() | Overcast. Precipitation: 0.02 in (0.5625 mm). | 72°F (22°C) | 2 mph (3 km/h) | 98% | 0.375% |
21:00 00:00 | ![]() | Overcast. | 72°F (22°C) | 2 mph (4 km/h) | 99% | 0.375% |

Wednesday, March 19 | sunrise: 06:42 sunset: 18:48 |
![]() | Low around 70°F (21°C), high around 85°F (29°C). Chance of rain from morning till evening (between 6 am and 6 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.18 in (4.6875 mm). Mostly cloudy skies. Wind: 5 mph (8 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Overcast. | 71°F (22°C) | 2 mph (3 km/h) | 100% | 0.374% |
03:00 06:00 | ![]() | Overcast. | 70°F (21°C) | 2 mph (3 km/h) | 100% | 0.373% |
06:00 09:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 75°F (24°C) | 4 mph (6 km/h) | 94% | 0.372% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.02 in (0.5625 mm). | 84°F (29°C) | 5 mph (8 km/h) | 67% | 0.368% |
12:00 15:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.06 in (1.5 mm). | 80°F (27°C) | 4 mph (6 km/h) | 85% | 0.366% |
15:00 18:00 | ![]() | Chance of scattered rain showers. Precipitation: 0.1 in (2.4375 mm). | 77°F (25°C) | 3 mph (4 km/h) | 95% | 0.373% |
18:00 21:00 | ![]() | Overcast. Precipitation: 0 in (0.125 mm). | 73°F (23°C) | 2 mph (3 km/h) | 99% | 0.372% |
21:00 00:00 | ![]() | Overcast. | 72°F (22°C) | 2 mph (4 km/h) | 99% | 0.371% |

Thursday, March 20 | sunrise: 06:42 sunset: 18:48 |
![]() | Low around 70°F (21°C), high around 89°F (32°C). Chance of rain in the morning (between 9 am and 12 pm) and late in the afternoon (between 3 pm and 6 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.1 in (2.5 mm). Mostly cloudy skies. Wind: 5 mph (7 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
00:00 03:00 | ![]() | Overcast. | 71°F (22°C) | 1 mph (2 km/h) | 100% | 0.37% |
03:00 06:00 | ![]() | Considerable cloudiness. | 70°F (21°C) | 2 mph (3 km/h) | 100% | 0.369% |
06:00 09:00 | ![]() | Mostly cloudy. Precipitation: 0 in (0.0625 mm). | 74°F (23°C) | 2 mph (3 km/h) | 96% | 0.368% |
09:00 12:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 85°F (30°C) | 5 mph (7 km/h) | 60% | 0.362% |
12:00 15:00 | ![]() | Overcast. Precipitation: 0.01 in (0.25 mm). | 81°F (27°C) | 3 mph (4 km/h) | 74% | 0.356% |
15:00 18:00 | ![]() | Chance of light rain. Precipitation: 0.02 in (0.5625 mm). | 78°F (25°C) | 3 mph (5 km/h) | 85% | 0.353% |
18:00 21:00 | ![]() | Overcast. Precipitation: 0.05 in (1.375 mm). | 71°F (22°C) | 2 mph (4 km/h) | 97% | 0.364% |
21:00 00:00 | ![]() | Overcast. | 70°F (21°C) | 2 mph (4 km/h) | 99% | 0.363% |

Grand-Santi (latitude 04°15'N, longitude 054°23'W)
Local Time:
Grand-Santi is in the "America/Cayenne" timezone.
The "America/Cayenne" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in ST (since Sunday, 1 October 1967, 01:00 AM local time). During ST, the offset to Universal Time (UTC, GMT or Zulu) is -3:00 hours.
Grand-Santi will exit standard time (entering DST) on Tuesday, 19 January 2038, at 00:14 AM local time, when clocks will be turned forward 0 hour to Tuesday, 19 January 2038, 00:14 AM local daylight time. During DST, the offset to UTC will be -3:00 hours.
Forecasts for Other Places in French Guiana:
See also:
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