Besttimetovisit.co.inClimate of Saint-Louis
Saint-Louis has a tropical monsoon climate. You have high temperatures and a lot of rainfall throughout the year. The average annual temperature for Saint-Louis is 30° degrees and there is about 891 mm of rain in a year. It is dry for 66 days a year with an average humidity of 84% and an UV-index of 6.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 28°C and 34°C
- Night:the average nighttime temperature is between 21°C and 22°C
- Rain: it rains 278 days and there is a total of approximately 891 mm rainfall
- Sun hours: throughout the year there are 2497 sun hours
| Maximum temperature: | between 28°C and 34°C |
| Warmest month: | 34°C in September |
| Coldest month: | 28°C in January |
| Night temperature: | between 21°C and 22°C |
| Dry days: | 87 days |
| Days with rain: | 278 days |
| Days with snow: | 0 days |
| Total rain sum: | 891 mm |
| Hours of sunshine: | 2497 hours |
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Saint-Louis.
Precipitation graph
This graph shows the average amount of rainfall per month for Saint-Louis.
Climate table of Saint-Louis
In this climate table you can see at a glance what the average weather per month is for Saint-Louis. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Saint-Louis might be like in a given month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day temp. (°C) | 28 | 28 | 29 | 29 | 29 | 30 | 31 | 33 | 34 | 34 | 33 | 30 |
| Night temp. (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 22 | 22 | 22 | 22 | 22 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Precipitation (mm) | 117 | 116 | 97 | 102 | 105 | 77 | 60 | 29 | 19 | 19 | 41 | 109 |
| Days with rain | 28 | 27 | 30 | 29 | 30 | 27 | 26 | 17 | 12 | 11 | 16 | 25 |
| Dry days | 3 | 1 | 1 | 1 | 1 | 3 | 5 | 14 | 18 | 20 | 14 | 6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Sun hours per day | 5 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 8 | 6 |
| Wind force (Bft) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| UV-index | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 |
Best time to visit Saint-Louis
The best time to visit Saint-Louis in French Guiana is from March and June and July. In this period you have a warm temperature and little precipitation. The highest average temperature in Saint-Louis is 34°C in September and the lowest is 28°C in January.
Climate of Saint-Louis by month
What is the average climate in a given month for Saint-Louis? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Saint-Louis weather experiences
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