List of largest cities in Benin
Cotonou
Littoral
Abomey-Calavi
Atlantique
Djougou
Donga
Porto-Novo
Ouémé
Parakou
Borgou
Bohicon
Zou
Weather, climate, temperature by months in Benin
| Season | Autumn | Winter | Spring | Summer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year | ||
| Record high | °C | 35 | 36 | 37 | 37 | 36 | 38 | 40 | 39 | 38 | 35 | 34 | 33 | 40 | |
| Average high | °C | 29 | 31 | 32 | 32 | 32 | 34 | 34 | 33 | 32 | 30 | 29 | 28 | 31 | |
| Average temperature | °C | 26 | 27 | 27 | 27 | 27 | 29 | 29 | 29 | 28 | 26 | 25 | 25 | 27 | |
| Average low | °C | 22 | 23 | 22 | 22 | 22 | 24 | 25 | 25 | 24 | 23 | 22 | 22 | 23 | |
| Record low | °C | 16 | 16 | 16 | 14 | 15 | 17 | 16 | 18 | 20 | 18 | 17 | 17 | 14 | |
| Rain | Days | 11 | 8 | 2 | 1 | 1 | 2 | 4 | 6 | 9 | 12 | 12 | 11 | 79 | |
| Fog | Days | 2 | 4 | 9 | 13 | 11 | 6 | 3 | 2 | 2 | 2 | 3 | 3 | 58 | |
| Thunderstorms | Days | 10 | 12 | 6 | 2 | 1 | 3 | 7 | 12 | 15 | 14 | 8 | 7 | 94 | |
| Average precipitation | Mm. | 153 | 117 | 33 | 13 | 9 | 26 | 67 | 108 | 156 | 219 | 156 | 127 | 1183 | |
| Relative humidity | % | 82 | 79 | 71 | 65 | 61 | 63 | 67 | 73 | 77 | 81 | 83 | 83 | 74 | |
| Relative humidity morning | % | 93 | 93 | 89 | 80 | 74 | 77 | 81 | 87 | 91 | 93 | 93 | 93 | 87 | |
| Relative humidity evening | % | 72 | 66 | 54 | 48 | 45 | 47 | 52 | 58 | 65 | 71 | 74 | 74 | 60 | |
| Wind speed | Km/h | 11 | 10 | 9 | 9 | 11 | 12 | 13 | 13 | 12 | 11 | 13 | 12 | 11 | |
| Day Length | Hours | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | |
| Dew point | °C | 22 | 23 | 21 | 19 | 18 | 20 | 21 | 23 | 23 | 23 | 22 | 22 | 257 | |
| Growing degree-day | °C | 471 | 517 | 518 | 526 | 529 | 527 | 596 | 564 | 551 | 492 | 478 | 472 | 6239 | |
| Solar radiation, global | Mj/m2 | 16 | 18 | 19 | 19 | 20 | 21 | 21 | 20 | 19 | 17 | 16 | 15 | 19 | |
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