Climate of Saint-Jean
Saint-Jean has a tropical rainforest climate. It is usually (very) warm, humid and rainy all year round. The average annual temperature for Saint-Jean is 58° degrees and there is about 226 inch of rain in a year. It is dry for 88 days a year with an average humidity of 82% and an UV-index of 7.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 29°C and 33°C
- Night:the average nighttime temperature is between 22°C and 23°C
- Rain: it rains 242 days and there is a total of approximately 572 mm rainfall
- Sun hours: throughout the year there are 2701 sun hours
Maximum temperature: | between 29°C and 33°C |
Warmest month: | 33°C in September |
Coldest month: | 29°C in January |
Night temperature: | between 22°C and 23°C |
Dry days: | 123 days |
Days with rain: | 242 days |
Days with snow: | 0 days |
Total rain sum: | 572 mm |
Hours of sunshine: | 2701 hours |
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Saint-Jean.
Precipitation graph
This graph shows the average amount of rainfall per month for Saint-Jean.
Climate table of Saint-Jean
In this climate table you can see at a glance what the average weather per month is for Saint-Jean. 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-Jean might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°F) | 85 | 84 | 85 | 85 | 86 | 86 | 87 | 89 | 91 | 92 | 90 | 87 |
Night temp. (°F) | 72 | 73 | 73 | 74 | 74 | 73 | 72 | 72 | 73 | 73 | 74 | 73 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (inch) | 19 | 19 | 16 | 22 | 30 | 28 | 22 | 15 | 8 | 8 | 18 | 21 |
Days with rain | 23 | 23 | 25 | 24 | 27 | 25 | 23 | 17 | 11 | 11 | 12 | 21 |
Dry days | 8 | 5 | 6 | 6 | 4 | 5 | 8 | 14 | 19 | 20 | 18 | 10 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 7 | 5 | 6 | 6 | 6 | 8 | 9 | 9 | 9 | 9 | 8 | 7 |
Wind force (Bft) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 |
Best time to visit Saint-Jean
The best time to visit Saint-Jean in French Guiana is from January through August and November and December. In this period you have a warm temperature and little precipitation. The highest average temperature in Saint-Jean is 92°F in October and the lowest is 84°F in February.
Climate of Saint-Jean by month
What is the average climate in a given month for Saint-Jean? 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-Jean weather experiences
Have you been to in Saint-Jean?
Leave your Saint-Jean weather experience for a chance to win $150!