What’s the climate like in Cayenne?
The current climate of Cayenne features average monthly temperatures ranging from highs of 34°C during the day to lows of 29°C. The average yearly temperature is around 31°C. At night, temperatures in the colder months average around 23°C and in the warmer months around 24°C.
The highest temperature recorded in Cayenne in recent years was 39°C in October 2023. The lowest daytime temperature recorded was 22°C in January 2023.
On average, Cayenne receives 3072 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Best time to visit Cayenne?
The best time to visit Cayenne for pleasant to warm weather is September and October. There might be some rain during this period, but the temperatures are just right for exploring Cayenne.
Climate Table of Cayenne
The climate table of Cayenne shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 32 | 33 | 34 | 32 | 31 |
| Temp. min (°C) | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
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| Precipitation (mm) | 284 | 322 | 290 | 329 | 524 | 295 | 290 | 141 | 78 | 39 | 142 | 338 |
| UV Index | 7 | 7 | 8 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 8 | 7 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 31°C
- Highest temperature: 34°C in October
- Lowest temperature: 29°C in January and February
- Precipitation: 3072 mm per year, averaging 256 mm per month
- Driest months: 39 mm in October, 78 mm in September and 141 mm in August
- Wettest months: 524 mm in May, 338 mm in December and 329 mm in April
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Table of Contents
Average Temperature per Month in Cayenne
This graph shows the average maximum temperatures per month in Cayenne, French Guiana. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Cayenne
This graph shows how much precipitation Cayenne, French Guiana, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Cayenne
This graph shows the average UV index per month in Cayenne, French Guiana. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Cayenne
This graph shows the average yearly temperature in Cayenne, French Guiana. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Cayenne
This chart shows the total yearly precipitation in Cayenne, French Guiana, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Cayenne
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Average Weather in Cayenne by Month
Click on a month below to see detailed weather info for Cayenne. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
