The bar chart below shows the average monthly peak daytime temperatures at Porvoo
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -4.6 | -4.1 | 0.5 | 7 | 15 | 20 | 21.3 | 19.6 | 13.9 | 8.2 | 2.2 | -1.9 |
°F | 23.7 | 24.7 | 32.9 | 44.7 | 59.1 | 68 | 70.3 | 67.3 | 57 | 46.7 | 35.9 | 28.5 |
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.
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 | 45 | 34 | 36 | 37 | 36 | 46 | 73 | 80 | 73 | 70 | 68 | 59 |
inches | 1.8 | 1.3 | 1.4 | 1.5 | 1.4 | 1.8 | 2.9 | 3.2 | 2.9 | 2.7 | 2.7 | 2.3 |
Rainy days | 18 | 15 | 14 | 13 | 10 | 11 | 14 | 15 | 16 | 16 | 19 | 20 |
Average annual rainfall in Porvoo: 742.3mm (292.2 inches)
The bar chart below shows the average daily sunshine hours in Porvoo
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 0.8 | 1.9 | 3.8 | 5.9 | 9 | 10.6 | 9.3 | 7.1 | 4.5 | 2.9 | 1.1 | 0.7 |
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 | -11.2 | -11.3 | -7.5 | -1.3 | 4.1 | 9 | 11.3 | 10.4 | 6.2 | 2.3 | -2.5 | -7.8 |
Max °C | -4.5 | -3.9 | 0.7 | 7.3 | 15.3 | 20.3 | 21.6 | 19.9 | 14.1 | 8.3 | 2.3 | -1.8 |
Min °F | 11.9 | 11.7 | 18.5 | 29.8 | 39.4 | 48.1 | 52.3 | 50.6 | 43.1 | 36.1 | 27.5 | 18 |
Max °F | 18 | 18.3 | 25.9 | 37.4 | 49.5 | 58.3 | 61.5 | 59.2 | 50.2 | 41.5 | 31.8 | 23.4 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 1.5 | 0.5 | 0.5 | 2 | 5.5 | 10.5 | 15.8 | 17.1 | 14.3 | 10.2 | 6.5 | 3.3 |
°F | 34.7 | 32.9 | 32.9 | 35.6 | 41.8 | 50.9 | 60.5 | 62.7 | 57.7 | 50.3 | 43.7 | 37.9 |
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 | 11 | 11 | 12 | 13 | 13 | 13 |
mph | 8 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
87% | 85% | 82% | 75% | 68% | 68% | 74% | 80% | 85% | 86% | 89% | 88% |
Hottest month: | July | 21.3°C 70.3°F |
---|---|---|
Driest month: | February | 34mm 1.3ins |
Sunniest month: | June | 10.6hrs |
Coldest month: | January | -4.6°C 23.7°F |
Wettest month: | August | 80mm 3.1ins |
Warmest sea: | August | 17.1°C 62.8°F |