Bolama monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Bolama
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 32.5 | 33.7 | 34.5 | 34.5 | 34 | 31.9 | 29.8 | 29.4 | 30.2 | 31.4 | 32.2 | 31.4 |
| °F | 90.5 | 92.7 | 94.1 | 94.1 | 93.2 | 89.5 | 85.7 | 84.9 | 86.4 | 88.5 | 90 | 88.6 |
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 | 1 | 1 | 0 | 0 | 33 | 201 | 545 | 664 | 413 | 205 | 38 | 4 |
| inches | 0 | 0 | 0 | 0 | 1.3 | 7.9 | 21.5 | 26.1 | 16.3 | 8.1 | 1.5 | 0.2 |
| Rainy days | 0 | 0 | 0 | 1 | 4 | 11 | 19 | 22 | 19 | 11 | 2 | 1 |
Average annual rainfall in Bolama: 2100.866mm (827.1 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Bolama
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 8.3 | 8.8 | 9 | 9 | 8.6 | 7.2 | 5.4 | 4.9 | 6.1 | 7.4 | 8.4 | 8 |
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 | 18.6 | 19.3 | 20.8 | 21.2 | 22.7 | 23.1 | 23.2 | 23.3 | 23 | 23.2 | 21.7 | 19.1 |
| Max °C | 32.9 | 34.1 | 34.9 | 34.8 | 34.3 | 32.2 | 30 | 29.6 | 30.4 | 31.6 | 32.5 | 31.8 |
| Min °F | 65.4 | 66.7 | 69.4 | 70.2 | 72.9 | 73.5 | 73.8 | 73.9 | 73.4 | 73.8 | 71.1 | 66.3 |
| Max °F | 78.3 | 80.1 | 82 | 82.4 | 83.3 | 81.7 | 79.9 | 79.5 | 80.1 | 81.3 | 80.8 | 77.7 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 24.9 | 24.1 | 23.9 | 24.3 | 26 | 28.1 | 28.3 | 27.8 | 28.1 | 28.7 | 28.6 | 27.1 |
| °F | 76.8 | 75.3 | 75 | 75.8 | 78.9 | 82.6 | 82.9 | 82.1 | 82.6 | 83.7 | 83.6 | 80.7 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 5 |
| mph | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 3 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51% | 52% | 51% | 53% | 62% | 73% | 78% | 83% | 87% | 79% | 69% | 57% |
Other monthly averages
Bolama weather stats
| Hottest month: | May | 34°C 93.2°F |
|---|---|---|
| Driest month: | April | 0mm 0ins |
| Sunniest month: | March | 9hrs |
| Coldest month: | December | 31.4°C 88.5°F |
| Wettest month: | August | 664mm 26.1ins |
| Warmest sea: | October | 28.7°C 83.7°F |
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