Karstula monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Karstula
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -7.2 | -6.2 | -0.7 | 5.1 | 13.5 | 18.8 | 20.3 | 17.8 | 11.7 | 5.6 | -0.5 | -4.8 |
| °F | 19 | 20.8 | 30.7 | 41.2 | 56.3 | 65.8 | 68.6 | 64 | 53 | 42.1 | 31.2 | 23.4 |
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 | 38 | 27 | 32 | 35 | 41 | 59 | 72 | 83 | 67 | 54 | 54 | 44 |
| inches | 1.5 | 1.1 | 1.3 | 1.4 | 1.6 | 2.3 | 2.8 | 3.3 | 2.6 | 2.1 | 2.1 | 1.7 |
| Rainy days | 17 | 14 | 14 | 13 | 11 | 13 | 15 | 16 | 16 | 16 | 19 | 18 |
Average annual rainfall in Karstula: 693.667mm (273.1 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Karstula
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 0.7 | 1.9 | 3.8 | 6 | 4.1 | 0 | 4.5 | 7.1 | 4.3 | 2.6 | 1 | 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 | -14.4 | -14.2 | -9.9 | -3.8 | 1.8 | 6.7 | 9 | 7.8 | 3.8 | -0.2 | -5.5 | -11.4 |
| Max °C | -7.1 | -6 | -0.5 | 5.4 | 13.8 | 19.1 | 20.6 | 18 | 11.9 | 5.8 | -0.4 | -4.6 |
| Min °F | 6.2 | 6.4 | 14.2 | 25.3 | 35.2 | 44.1 | 48.2 | 46 | 38.8 | 31.7 | 22.2 | 11.5 |
| Max °F | 12.7 | 13.8 | 22.6 | 33.4 | 46 | 55.2 | 58.6 | 55.2 | 46 | 37 | 26.8 | 17.6 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 1.3 | 0.2 | 0 | 1 | 3.9 | 8.7 | 14.1 | 15.5 | 13 | 9.2 | 5.9 | 3.2 |
| °F | 34.4 | 32.4 | 32 | 33.9 | 39 | 47.6 | 57.4 | 59.9 | 55.3 | 48.6 | 42.6 | 37.7 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 10 | 10 | 11 | 12 | 12 | 12 | 10 | 10 | 11 | 12 | 12 | 11 |
| mph | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
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% | 86% | 81% | 74% | 65% | 65% | 72% | 80% | 85% | 88% | 91% | 90% |
Other monthly averages
Karstula weather stats
| Hottest month: | July | 20.3°C 68.5°F |
|---|---|---|
| Driest month: | February | 27mm 1.1ins |
| Sunniest month: | June | 0hrs |
| Coldest month: | January | -7.2°C 19°F |
| Wettest month: | August | 83mm 3.3ins |
| Warmest sea: | August | 15.5°C 59.9°F |
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