Porto-Novo monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Porto-Novo
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 31.2 | 32.1 | 32.2 | 31.7 | 30.8 | 29.2 | 28 | 27.8 | 28.5 | 29.7 | 31.1 | 31.1 |
| °F | 88.1 | 89.7 | 90 | 89.1 | 87.5 | 84.6 | 82.4 | 82.1 | 83.3 | 85.5 | 87.9 | 88 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
Average rainfall & rainy days
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 19 | 40 | 76 | 127 | 195 | 334 | 148 | 71 | 142 | 146 | 57 | 21 |
| inches | 0.8 | 1.6 | 3 | 5 | 7.7 | 13.1 | 5.8 | 2.8 | 5.6 | 5.7 | 2.2 | 0.8 |
| Rainy days | 1 | 3 | 6 | 10 | 13 | 18 | 12 | 9 | 12 | 11 | 5 | 2 |
Average annual rainfall in Porto-Novo: 1384.8mm (545.2 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Porto-Novo
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 6.9 | 7.5 | 7.1 | 7.3 | 7 | 4.8 | 4.3 | 4.6 | 5.2 | 6.6 | 8 | 7.3 |
Day / night temperatures
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 23.3 | 24.8 | 25.2 | 24.9 | 24 | 23.3 | 22.9 | 22.9 | 23.2 | 23.6 | 23.6 | 23.7 |
| Max °C | 31.4 | 32.3 | 32.4 | 31.9 | 31 | 29.4 | 28.1 | 28 | 28.7 | 29.9 | 31.3 | 31.3 |
| Min °F | 73.9 | 76.6 | 77.4 | 76.8 | 75.2 | 73.9 | 73.2 | 73.1 | 73.7 | 74.4 | 74.4 | 74.7 |
| Max °F | 81.1 | 83.3 | 83.8 | 83.1 | 81.5 | 79.3 | 77.9 | 77.7 | 78.6 | 80.1 | 81.3 | 81.5 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 27.6 | 28.3 | 28.8 | 29 | 29.1 | 27.9 | 26 | 25.3 | 26.1 | 27.6 | 28.7 | 28.3 |
| °F | 81.7 | 82.9 | 83.9 | 84.1 | 84.4 | 82.2 | 78.8 | 77.5 | 79 | 81.6 | 83.7 | 83 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 11 | 14 | 14 | 13 | 11 | 11 | 15 | 15 | 13 | 10 | 10 | 8 |
| mph | 7 | 9 | 9 | 8 | 7 | 7 | 9 | 9 | 8 | 7 | 6 | 5 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 77% | 78% | 78% | 80% | 82% | 85% | 85% | 85% | 84% | 84% | 81% | 79% |
Other monthly averages
Porto-Novo weather stats
| Hottest month: | March | 32.2°C 90°F |
|---|---|---|
| Driest month: | January | 19mm 0.7ins |
| Sunniest month: | November | 8hrs |
| Coldest month: | August | 27.8°C 82°F |
| Wettest month: | June | 334mm 13.1ins |
| Warmest sea: | May | 29.1°C 84.4°F |
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