Ähtäri monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Ähtäri
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -6.7 | -5.7 | -0.5 | 5.4 | 13.8 | 18.8 | 20.3 | 18 | 11.9 | 6 | -0.2 | -4.4 |
| °F | 19.9 | 21.7 | 31.1 | 41.7 | 56.8 | 65.8 | 68.5 | 64.3 | 53.3 | 42.8 | 31.6 | 24.1 |
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 | 31 | 34 | 40 | 60 | 73 | 80 | 69 | 55 | 54 | 45 |
| inches | 1.5 | 1.1 | 1.2 | 1.4 | 1.6 | 2.4 | 2.9 | 3.1 | 2.7 | 2.2 | 2.1 | 1.8 |
| Rainy days | 19 | 15 | 15 | 14 | 12 | 13 | 15 | 17 | 18 | 17 | 20 | 20 |
Average annual rainfall in Ähtäri: 693.566mm (273.1 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Ähtäri
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 0.6 | 1.6 | 3.5 | 5.6 | 8.9 | 0 | 4.2 | 6.7 | 4.1 | 2.4 | 0.9 | 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 | -13.9 | -13.9 | -9.8 | -3.6 | 2 | 6.8 | 9.1 | 8 | 4 | 0.3 | -5.1 | -11 |
| Max °C | -6.6 | -5.6 | -0.3 | 5.6 | 14.1 | 19.1 | 20.6 | 18.2 | 12.1 | 6.2 | -0.1 | -4.3 |
| Min °F | 7.1 | 7.1 | 14.5 | 25.5 | 35.5 | 44.2 | 48.3 | 46.4 | 39.1 | 32.5 | 22.8 | 12.3 |
| Max °F | 13.6 | 14.5 | 23 | 33.8 | 46.4 | 55.2 | 58.6 | 55.6 | 46.4 | 37.8 | 27.3 | 18.3 |
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 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 10 |
| mph | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 6 |
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% | 87% | 81% | 74% | 65% | 65% | 72% | 79% | 85% | 88% | 91% | 90% |
Other monthly averages
Ähtäri weather stats
| Hottest month: | July | 20.3°C 68.5°F |
|---|---|---|
| Driest month: | February | 27mm 1.1ins |
| Sunniest month: | June | 0hrs |
| Coldest month: | January | -6.7°C 19.9°F |
| Wettest month: | August | 80mm 3.1ins |
| Warmest sea: | August | 15.5°C 59.9°F |
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