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Grand-Santi weather



Here is the Grand-Santi weather forecast. You will find below :
- Grand-Santi weather forecast for the next hours
- 7, 8 and 10 days weather forecast for Grand-Santi
- the lastest Grand-Santi weather conditions

Please note that the station providing the latest weather data is not necessarily in the center of Grand-Santi. Differences in prediction may appear according to the location of the weather station, especially in mountains where data usualy come from plains. For better accuracy at high altitude, you should check the snow weather forecast.

You will find below some links for the 8 days weather forecast near Grand-Santi :
 - weather forecast for towns close to Grand-Santi :
   - Papaichton weather forecast : town located at 57.95 km
   - Maripasoula weather forecast : town located at 79.92 km
   - Apatou weather forecast : town located at 97.84 km
   - Saint-Élie weather forecast : town located at 136.86 km
   - Saint-Laurent-du-Maroni weather forecast : town located at 140.50 km
   - Saül weather forecast : town located at 148.82 km
   - Mana weather forecast : town located at 168.90 km
   - Awala-Yalimapo weather forecast : town located at 170.61 km

 - weather forecast for department prefecture of Guyane : Weather of Cayenne
 - weather forecast for other cities of Guyane : Guyane
 - global weather on the map of France : weather france map

Must see: the photos of Grand-Santi, the map of Grand-Santi.
I like Grand-Santi !
   


7, 8 and 10 days weather forecast for Grand-Santi

Week Forecast:


The latest weather data for Grand-Santi were collected Thursday, 29 January 2026 at 19:07 from the nearest observation station of Maripasoula.

Thursday, January 29th

29°C     22°C

75%
 79%


Rain

Temperature Max: 29°C    Temperature Min: 22°C
Precipitation Probability: 75% (Rain)
Percentage of sky occluded by clouds: 79%
Wind speed: 7 km/h Sout-East
Humidity: 85%°        UV Index: 7
Sunrise: 10:50     Sunset: 22:48

Friday, January 30th

30°C     22°C

67%
 73%


Thunderstorms

Temperature Max: 30°C    Temperature Min: 22°C
Precipitation Probability: 67% (Rain)
Percentage of sky occluded by clouds: 73%
Wind speed: 6 km/h Sout-East
Humidity: 84%°        UV Index: 8
Sunrise: 10:50     Sunset: 22:48

Saturday, January 31st

30°C     23°C

56%
 80%


Rain

Temperature Max: 30°C    Temperature Min: 23°C
Precipitation Probability: 56% (Rain)
Percentage of sky occluded by clouds: 80%
Wind speed: 6 km/h Sout-East
Humidity: 86%°        UV Index: 8
Sunrise: 10:50     Sunset: 22:48

Sunday, February 1st

31°C     22°C

0%
 78%


Mostly cloudy

Temperature Max: 31°C    Temperature Min: 22°C
Precipitation Probability: 0%
Percentage of sky occluded by clouds: 78%
Wind speed: 7 km/h Sout-East
Humidity: 81%°        UV Index: 7
Sunrise: 10:50     Sunset: 22:48

Monday, February 2nd

29°C     22°C

77%
 84%


Rain

Temperature Max: 29°C    Temperature Min: 22°C
Precipitation Probability: 77% (Rain)
Percentage of sky occluded by clouds: 84%
Wind speed: 7 km/h Sout-East
Humidity: 84%°        UV Index: 7
Sunrise: 10:50     Sunset: 22:49

Tuesday, February 3rd

31°C     21°C

59%
 90%


Thunderstorms

Temperature Max: 31°C    Temperature Min: 21°C
Precipitation Probability: 59% (Rain)
Percentage of sky occluded by clouds: 90%
Wind speed: 7 km/h Sout-East
Humidity: 82%°        UV Index: 7
Sunrise: 10:50     Sunset: 22:49

Wednesday, February 4th

31°C     21°C

62%
 81%


Thunderstorms

Temperature Max: 31°C    Temperature Min: 21°C
Precipitation Probability: 62% (Rain)
Percentage of sky occluded by clouds: 81%
Wind speed: 7 km/h Sout-East
Humidity: 81%°        UV Index: 8
Sunrise: 10:50     Sunset: 22:49

Thursday, February 5th

31°C     21°C

49%
 79%


Thunderstorms

Temperature Max: 31°C    Temperature Min: 21°C
Precipitation Probability: 49% (Rain)
Percentage of sky occluded by clouds: 79%
Wind speed: 7 km/h Sout-East
Humidity: 79%°        UV Index: 7
Sunrise: 10:50     Sunset: 22:49

Friday, February 6th

31°C     21°C

59%
 73%


Thunderstorms

Temperature Max: 31°C    Temperature Min: 21°C
Precipitation Probability: 59% (Rain)
Percentage of sky occluded by clouds: 73%
Wind speed: 6 km/h Sout-East
Humidity: 81%°        UV Index: 8
Sunrise: 10:50     Sunset: 22:49

Saturday, February 7th

30°C     21°C

57%
 84%


Thunderstorms

Temperature Max: 30°C    Temperature Min: 21°C
Precipitation Probability: 57% (Rain)
Percentage of sky occluded by clouds: 84%
Wind speed: 7 km/h Sout-East
Humidity: 81%°        UV Index: 8
Sunrise: 10:50     Sunset: 22:49









Latest Grand-Santi weather conditions
The latest weather data for Grand-Santi were collected Thursday, 29 January 2026 at 19:07 from the nearest observation station of Maripasoula.

Latest weather conditions collected Thu, 29 January at 19:07

29°C

1011.5 hPa
1 mm/h
 100%


Rain

Temperature: 29°C
Pressure: 1011.5 mbars
Precipitation Intensity: 1 mm/h
Percentage of sky occluded by clouds: 100%
Wind speed: 8 km/h Sout-East
Wind Gust Speed: 21.11 km/h
Visibility: 13410.27 km    Humidity: 75%
Dew Point: 24°        UV Index: 6








Grand-Santi next hours weather forecast
This is the next hours weather forecast for Grand-Santi.

Fri, 30 Jan - 1am
      24°C

Grand-Santi weather:
Partly cloudy
0%      49%
Wind Speed: 5 kmh
Wind Gust: 12 kmh

Fri, 30 Jan - 2am
      24°C

Grand-Santi weather:
Partly cloudy
0%      50%
Wind Speed: 4 kmh
Wind Gust: 11 kmh

Fri, 30 Jan - 3am
      23°C

Grand-Santi weather:
Partly cloudy
30%      48%
Wind Speed: 5 kmh
Wind Gust: 12 kmh

Fri, 30 Jan - 4am
      23°C

Grand-Santi weather:
Partly cloudy
34%      60%
Wind Speed: 4 kmh
Wind Gust: 11 kmh

Fri, 30 Jan - 5am
      23°C

Grand-Santi weather:
Partly cloudy
0%      61%
Wind Speed: 4 kmh
Wind Gust: 10 kmh

Fri, 30 Jan - 6am
      23°C

Grand-Santi weather:
Mostly cloudy
36%      70%
Wind Speed: 4 kmh
Wind Gust: 9 kmh

Fri, 30 Jan - 7am
      23°C

Grand-Santi weather:
Mostly cloudy
35%      74%
Wind Speed: 3 kmh
Wind Gust: 7 kmh

Fri, 30 Jan - 8am
      22°C

Grand-Santi weather:
Mostly cloudy
35%      73%
Wind Speed: 3 kmh
Wind Gust: 7 kmh

Fri, 30 Jan - 9am
      22°C

Grand-Santi weather:
Mostly cloudy
34%      72%
Wind Speed: 3 kmh
Wind Gust: 7 kmh

Fri, 30 Jan - 10am
      23°C

Grand-Santi weather:
Mostly cloudy
30%      68%
Wind Speed: 4 kmh
Wind Gust: 8 kmh

Fri, 30 Jan - 11am
      23°C

Grand-Santi weather:
Mostly cloudy
0%      72%
Wind Speed: 4 kmh
Wind Gust: 9 kmh

Fri, 30 Jan - 12pm
      24°C

Grand-Santi weather:
Mostly cloudy
26%      70%
Wind Speed: 4 kmh
Wind Gust: 12 kmh

Fri, 30 Jan - 1pm
      25°C

Grand-Santi weather:
Mostly cloudy
0%      77%
Wind Speed: 6 kmh
Wind Gust: 17 kmh

Fri, 30 Jan - 2pm
      26°C

Grand-Santi weather:
Mostly cloudy
0%      74%
Wind Speed: 7 kmh
Wind Gust: 23 kmh

Fri, 30 Jan - 3pm
      27°C

Grand-Santi weather:
Mostly cloudy
0%      74%
Wind Speed: 8 kmh
Wind Gust: 23 kmh

Fri, 30 Jan - 4pm
      29°C

Grand-Santi weather:
Mostly cloudy
16% Rain     80%
Wind Speed: 8 kmh
Wind Gust: 24 kmh

Fri, 30 Jan - 5pm
      29°C

Grand-Santi weather:
Mostly cloudy
22% Rain     69%
Wind Speed: 8 kmh
Wind Gust: 20 kmh

Fri, 30 Jan - 6pm
      30°C

Grand-Santi weather:
Mostly cloudy
26% Rain     69%
Wind Speed: 8 kmh
Wind Gust: 22 kmh

Fri, 30 Jan - 7pm
      30°C

Grand-Santi weather:
Rain
37% Rain     72%
Wind Speed: 8 kmh
Wind Gust: 20 kmh

Fri, 30 Jan - 8pm
      29°C

Grand-Santi weather:
Rain
51% Rain     81%
Wind Speed: 7 kmh
Wind Gust: 17 kmh

Fri, 30 Jan - 9pm
      28°C

Grand-Santi weather:
Rain
52% Rain     84%
Wind Speed: 7 kmh
Wind Gust: 17 kmh

Fri, 30 Jan - 10pm
      27°C

Grand-Santi weather:
Rain
51% Rain     78%
Wind Speed: 8 kmh
Wind Gust: 19 kmh

Fri, 30 Jan - 11pm
      25°C

Grand-Santi weather:
Mostly cloudy
0%      72%
Wind Speed: 6 kmh
Wind Gust: 16 kmh

Sat, 31 Jan - 12am
      25°C

Grand-Santi weather:
Partly cloudy
0%      53%
Wind Speed: 6 kmh
Wind Gust: 16 kmh

Attribution:             







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