Somero monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Somero
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -4.9 | -4.6 | 0.1 | 6.4 | 14.5 | 19.3 | 20.6 | 18.9 | 13.3 | 7.6 | 1.7 | -2.1 |
| °F | 23.3 | 23.8 | 32.2 | 43.6 | 58.1 | 66.8 | 69 | 66.1 | 55.9 | 45.6 | 35.1 | 28.2 |
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 | 44 | 29 | 32 | 36 | 35 | 44 | 71 | 84 | 68 | 66 | 68 | 55 |
| inches | 1.7 | 1.2 | 1.3 | 1.4 | 1.4 | 1.7 | 2.8 | 3.3 | 2.7 | 2.6 | 2.7 | 2.2 |
| Rainy days | 21 | 17 | 15 | 13 | 11 | 12 | 15 | 16 | 18 | 16 | 21 | 22 |
Average annual rainfall in Somero: 717.366mm (282.4 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Somero
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 1.2 | 2.5 | 4.3 | 6 | 8.9 | 10.7 | 9.2 | 7.1 | 4.5 | 2.9 | 1.3 | 1 |
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 | -11.3 | -11.6 | -7.9 | -1.9 | 3.3 | 8 | 10.4 | 9.7 | 5.8 | 1.9 | -2.9 | -7.8 |
| Max °C | -4.7 | -4.4 | 0.3 | 6.7 | 14.8 | 19.6 | 20.8 | 19.2 | 13.5 | 7.7 | 1.9 | -2 |
| Min °F | 11.7 | 11.1 | 17.8 | 28.7 | 37.9 | 46.4 | 50.7 | 49.4 | 42.4 | 35.4 | 26.9 | 18 |
| Max °F | 17.6 | 17.6 | 25.2 | 36.3 | 48.2 | 56.8 | 60.1 | 57.9 | 49.3 | 40.6 | 31.1 | 23.2 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 2.5 | 1.2 | 1.1 | 2.3 | 5.5 | 10.6 | 16 | 17.2 | 14.5 | 10.6 | 7.3 | 4.5 |
| °F | 36.5 | 34.2 | 34.1 | 36.2 | 41.9 | 51 | 60.8 | 63 | 58 | 51.1 | 45.1 | 40.1 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 13 |
| mph | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 9 | 9 | 8 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 88% | 88% | 83% | 77% | 69% | 68% | 75% | 80% | 85% | 87% | 90% | 89% |
Other monthly averages
Somero weather stats
| Hottest month: | July | 20.6°C 69.1°F |
|---|---|---|
| Driest month: | February | 29mm 1.1ins |
| Sunniest month: | June | 10.7hrs |
| Coldest month: | January | -4.9°C 23.2°F |
| Wettest month: | August | 84mm 3.3ins |
| Warmest sea: | August | 17.2°C 63°F |
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