Oulu monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Oulu
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -7.7 | -7 | -1.8 | 4.2 | 11.7 | 17.6 | 20.1 | 17.5 | 11.6 | 5.3 | -1 | -5.3 |
| °F | 18.2 | 19.3 | 28.8 | 39.5 | 53 | 63.6 | 68.1 | 63.6 | 52.9 | 41.6 | 30.2 | 22.5 |
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 | 35 | 26 | 29 | 24 | 35 | 47 | 62 | 64 | 53 | 51 | 42 | 37 |
| inches | 1.4 | 1 | 1.1 | 0.9 | 1.4 | 1.8 | 2.4 | 2.5 | 2.1 | 2 | 1.7 | 1.4 |
| Rainy days | 18 | 16 | 15 | 12 | 11 | 12 | 14 | 15 | 16 | 17 | 18 | 18 |
Average annual rainfall in Oulu: 594.3mm (234 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Oulu
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 0.8 | 2.1 | 4.1 | 6.8 | 4.4 | 0 | 0 | 7.7 | 4.6 | 2.7 | 1.3 | 0.5 |
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 | -15.5 | -14.8 | -10.2 | -3.6 | 2.5 | 8.4 | 11.1 | 9.3 | 4.6 | 0.2 | -6.4 | -12.3 |
| Max °C | -7.5 | -6.9 | -1.6 | 4.4 | 11.9 | 17.8 | 20.3 | 17.8 | 11.8 | 5.5 | -0.9 | -5.1 |
| Min °F | 4.1 | 5.5 | 13.6 | 25.6 | 36.5 | 47.1 | 52 | 48.7 | 40.3 | 32.3 | 20.6 | 9.9 |
| Max °F | 11.3 | 12.6 | 21.4 | 32.7 | 45 | 55.6 | 60.3 | 56.3 | 46.8 | 37 | 25.5 | 16.3 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 0.7 | -0.4 | -0.7 | -0.1 | 2.3 | 6.8 | 12 | 13.6 | 11.5 | 8.1 | 5.1 | 2.7 |
| °F | 33.3 | 31.3 | 30.7 | 31.8 | 36.2 | 44.2 | 53.6 | 56.4 | 52.6 | 46.6 | 41.2 | 36.8 |
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 | 14 | 14 | 14 | 13 | 14 | 13 | 13 | 13 | 15 | 14 | 13 |
| mph | 8 | 9 | 9 | 9 | 8 | 9 | 8 | 8 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 86% | 85% | 82% | 74% | 67% | 65% | 70% | 77% | 83% | 86% | 88% | 88% |
Other monthly averages
Oulu weather stats
| Hottest month: | July | 20.1°C 68.2°F |
|---|---|---|
| Driest month: | April | 24mm 0.9ins |
| Sunniest month: | June | 0hrs |
| Coldest month: | January | -7.7°C 18.1°F |
| Wettest month: | August | 64mm 2.5ins |
| Warmest sea: | August | 13.6°C 56.5°F |
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