| Rainfall/ Precipitation in Cayenne, French Guiana |
- Cayenne experiences on balance 3744 mm (147.4 in) of rainfall per year, or 312 mm (12.3 in) per month.
- On average there are 212 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 17.7 days with a quantity of rain, sleet, snow etc. per month.
- The driest weather is in September when an average of 32 mm (1.3 in) of rainfall (precipitation) occurs.
- The wettest weather is in May when an average of 590 mm (23.2 in) of rainfall (precipitation) occurs.
Precipitation Table
| |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
| Average Precipitation mm (in) |
431 (16.97) |
423 (16.7) |
432 (17) |
480 (18.9) |
590 (23.2) |
457 (18) |
274 (10.8) |
144 (5.7) |
32 (1.3) |
42 (1.7) |
122 (4.8) |
317 (12.5) |
|
3744 (147.4) |
| Precipitation Litres/m² (Gallons/ft²) |
431 (10.57) |
423 (10.38) |
432 (10.6) |
480 (11.77) |
590 (14.47) |
457 (11.21) |
274 (6.72) |
144 (3.53) |
32 (0.78) |
42 (1.03) |
122 (2.99) |
317 (7.78) |
|
3744 (91.83) |
| Number of Wet Days (probability of rain on a day) |
23 (74%) |
20 (71%) |
21 (68%) |
19 (63%) |
25 (81%) |
26 (87%) |
21 (68%) |
14 (45%) |
6 (20%) |
5 (16%) |
11 (37%) |
21 (68%) |
|
212 (58%) |
| Percentage of Sunny (Cloudy) Daylight Hours |
39 (61) |
31 (69) |
37 (63) |
35 (65) |
36 (64) |
45 (55) |
55 (45) |
62 (38) |
70 (30) |
72 (28) |
64 (36) |
53 (47) |
|
51 (49) |
Cayenne Precipitation Discussion
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Precipitation Nearby Cayenne, French Guiana
- Georgetown, Guyana - 676.1 kms (420.1 miles) WNW
- Timehri, Guyana - 676.8 kms (420.6 miles) WNW
- Paramaribo, Suriname - 330 kms (205 miles) WNW
- St. Laurent, French Guiana - 198.1 kms (123.1 miles) WNW
- Maripasoula, French Guiana - 227 kms (141.1 miles) SW
- Tirios, Brazil - 492 kms (305.7 miles) SW
- Obidos, Brazil - 828.1 kms (514.6 miles) SSW
- Monte Alegre, Brazil - 783.4 kms (486.8 miles) SSW
- Santarem, Brazil - 846.8 kms (526.2 miles) SSW
- Belterra, Brazil - 878.5 kms (545.9 miles) SSW
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