29 to 33°C
temperature
2701 hours
sunshine per day
572 mm
rain
123 days
dry
242 days
rain
0 days
snow

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

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