Cayenne, French Guiana
- Altitude; 9 m (30 ft).
- The average temperature in Cayenne, French Guiana is 26.8 °C (80 °F).
- The range of average monthly temperatures is 1.5 °C.
- The warmest average max/ high temperature is 32 °C (90 °F) in August, September & October.
- The coolest average min/ low temperature is 23 °C (73 °F) in January to March & May to December.
- Cayenne, French Guiana receives on average 3744 mm (147.4 in) of precipitation annually or 312 mm (12.3 in) each month.
- On balance there are 212 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurs or 18 days on an average month.
- The month with the driest weather is September when on balance 32 mm (1.3 in) of rain, sleet, hail or snow falls across 6 days.
- The month with the wettest weather is May when on balance 590 mm (23.2 in) of rain, sleet, hail or snow falls across 25 days.
- Mean relative humidity for an average year is recorded as 76.5% and on a monthly basis it ranges from 69% in September, October to 83% in May.
- Hours of sunshine range between 4.0 hours per day in February and 8.7 hours per day in September.
- On balance there are 2224 sunshine hours annually and approximately 6.1 sunlight hours for each day.
- On balance there are 0 days annually with measurable frost and in January there are on average 0 days with frost.
Cayenne, French Guiana Climate Graph (Metric | Imperial units)
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Weather Averages
| |
Average Minimum Temperatures in Cayenne, French Guiana (°C) |
Average Maximum Temperature in Cayenne, French Guiana (°C) |
Cayenne, French Guiana Average Temperature (°C) |
Average Sea Temp (°C) |
Average Precipitation/ Rainfall (mm) |
Wet Days (>0.1 mm) |
Average Sunlight Hours/ Day |
Relative Humidity (%) |
Average Wind Speed in Cayenne, French Guiana (Beaufort) |
Average Number of Days with Frost |
|
| Weather in Cayenne, French Guiana in January |
23 |
29 |
26 |
- |
431 |
23 |
4.6 |
80 |
3 |
0 |
Average Temperature in Cayenne, French Guiana in January |
| Weather in Cayenne, French Guiana in February |
23 |
29 |
26 |
- |
423 |
20 |
4.0 |
78 |
3 |
0 |
Average Temperature in Cayenne, French Guiana in February |
| Weather in Cayenne, French Guiana in March |
23 |
29 |
26 |
- |
432 |
21 |
4.4 |
80.0 |
3 |
0 |
Average Temperature in Cayenne, French Guiana in March |
| Weather in Cayenne, French Guiana in April |
24 |
30 |
27 |
- |
480 |
19 |
4.3 |
81 |
3 |
0 |
Average Temperature in Cayenne, French Guiana in April |
| Weather in Cayenne, French Guiana in May |
23 |
29 |
26 |
- |
590 |
25 |
4.4 |
83 |
2 |
0 |
Average Temperature in Cayenne, French Guiana in May |
| Weather in Cayenne, French Guiana in June |
23 |
31 |
27 |
- |
457 |
26 |
5.7 |
79 |
2 |
0 |
Average Temperature in Cayenne, French Guiana in June |
|
|
| Weather in Cayenne, French Guiana in July |
23 |
31 |
27 |
- |
274 |
21 |
6.7 |
75 |
2 |
0 |
Average Temperature in Cayenne, French Guiana in July |
| Weather in Cayenne, French Guiana in August |
23 |
32 |
27.5 |
- |
144 |
14 |
7.5 |
71 |
2 |
0 |
Average Temperature in Cayenne, French Guiana in August |
| Weather in Cayenne, French Guiana in September |
23 |
32 |
28 |
- |
32 |
6 |
8.7 |
69 |
3 |
0 |
Average Temperature in Cayenne, French Guiana in September |
| Weather in Cayenne, French Guiana in October |
23 |
32 |
28 |
- |
42 |
5 |
8.6 |
69 |
3 |
0 |
Average Temperature in Cayenne, French Guiana in October |
| Weather in Cayenne, French Guiana in November |
23 |
31 |
27 |
- |
122 |
11 |
7.8 |
74 |
3 |
0 |
Average Temperature in Cayenne, French Guiana in November |
| Weather in Cayenne, French Guiana in December |
23 |
30 |
26.5 |
- |
317 |
21 |
6.2 |
79 |
3 |
0 |
Average Temperature in Cayenne, French Guiana in December |
Chart in Fahrenheit and Inches
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Temperatures Table in English Units
| |
Average Minimum Temperatures in Cayenne, French Guiana (°F) |
Average Maximum Temperature in Cayenne, French Guiana (°F) |
Average Temperature (°F) |
Average Sea Temp (°F) |
Average Precipitation/ Rainfall (in) |
Wet Days (>0.004 in) |
Average Sunlight Hours/ Day |
Relative Humidity (%) |
Average Wind Speed (Beaufort) |
Average Number of Days with Frost |
|
| Temperatures in Cayenne, French Guiana in January |
73 |
84 |
79 |
- |
17.0 |
23 |
4.6 |
80 |
3 |
0 |
Climate in Cayenne, French Guiana in January |
| Temperatures in Cayenne, French Guiana in February |
73 |
84 |
79 |
- |
16.7 |
20 |
4.0 |
78 |
3 |
0 |
Climate in Cayenne, French Guiana in February |
| Temperatures in Cayenne, French Guiana in March |
73 |
84 |
79 |
- |
17.0 |
21 |
4.4 |
80 |
3 |
0 |
Climate in Cayenne, French Guiana in March |
| Temperatures in Cayenne, French Guiana in April |
75 |
86 |
81 |
- |
18.9 |
19 |
4.3 |
81 |
3 |
0 |
Climate in Cayenne, French Guiana in April |
| Temperatures in Cayenne, French Guiana in May |
73 |
84 |
79 |
- |
23.2 |
25 |
4.4 |
83 |
2 |
0 |
Climate in Cayenne, French Guiana in May |
| Temperatures in Cayenne, French Guiana in June |
73 |
88 |
81 |
- |
18.0 |
26 |
5.7 |
79 |
2 |
0 |
Climate in Cayenne, French Guiana in June |
|
|
| Temperatures in Cayenne, French Guiana in July |
73 |
88 |
81 |
- |
10.8 |
21 |
6.7 |
75 |
2 |
0 |
Climate in Cayenne, French Guiana in July |
| Temperatures in Cayenne, French Guiana in August |
73 |
90 |
82 |
- |
5.7 |
14 |
7.5 |
71 |
2 |
0 |
Climate in Cayenne, French Guiana in August |
| Temperatures in Cayenne, French Guiana in September |
73 |
90 |
82 |
- |
1.3 |
6 |
8.7 |
69 |
3 |
0 |
Climate in Cayenne, French Guiana in September |
| Temperatures in Cayenne, French Guiana in October |
73 |
90 |
82 |
- |
1.7 |
5 |
8.6 |
69 |
3 |
0 |
Climate in Cayenne, French Guiana in October |
| Temperatures in Cayenne, French Guiana in November |
73 |
88 |
81 |
- |
4.8 |
11 |
7.8 |
74 |
3 |
0 |
Climate in Cayenne, French Guiana in November |
| Temperatures in Cayenne, French Guiana in December |
73 |
86 |
80 |
- |
12.5 |
21 |
6.2 |
79 |
3 |
0 |
Climate in Cayenne, French Guiana in December |
|
