The bar chart below shows the average monthly peak daytime temperatures at Petersburg
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -0.2 | 2.4 | 9.5 | 17.3 | 23 | 28.3 | 30.2 | 28.8 | 25.4 | 18.8 | 10.6 | 2.4 |
°F | 31.7 | 36.3 | 49.2 | 63.1 | 73.4 | 82.9 | 86.3 | 83.8 | 77.7 | 65.8 | 51.1 | 36.4 |
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.
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 | 39 | 41 | 79 | 98 | 106 | 98 | 102 | 89 | 92 | 72 | 67 | 64 |
inches | 1.5 | 1.6 | 3.1 | 3.9 | 4.2 | 3.9 | 4 | 3.5 | 3.6 | 2.8 | 2.6 | 2.5 |
Rainy days | 9 | 8 | 11 | 11 | 10 | 9 | 9 | 8 | 9 | 8 | 9 | 10 |
Average annual rainfall in Petersburg: 896.066mm (352.8 inches)
The bar chart below shows the average daily sunshine hours in Petersburg
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 5.6 | 6.1 | 6.5 | 8 | 9.5 | 10.9 | 10.9 | 9.9 | 8.6 | 7.3 | 5 | 4.5 |
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 | -9.7 | -7.5 | -1 | 5.3 | 10.7 | 16 | 18.4 | 17 | 12.7 | 6.3 | 0.4 | -6.3 |
Max °C | 0 | 2.7 | 9.8 | 17.6 | 23.3 | 28.6 | 30.5 | 29.1 | 25.7 | 19.1 | 10.9 | 2.7 |
Min °F | 14.6 | 18.6 | 30.2 | 41.5 | 51.3 | 60.8 | 65 | 62.5 | 54.9 | 43.3 | 32.6 | 20.8 |
Max °F | 23.4 | 27.7 | 39.9 | 52.5 | 62.6 | 72.1 | 75.9 | 73.4 | 66.6 | 54.9 | 42.1 | 28.8 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.1 | 7.6 | 7.9 | 9 | 10.9 | 13.8 | 17.7 | 21.2 | 19.6 | 15.1 | 11.7 | 9.5 |
°F | 46.5 | 45.7 | 46.1 | 48.1 | 51.6 | 56.8 | 63.8 | 70.1 | 67.3 | 59.1 | 53 | 49 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 20 | 19 | 21 | 21 | 18 | 16 | 14 | 13 | 14 | 17 | 19 | 19 |
mph | 12 | 12 | 13 | 13 | 11 | 10 | 9 | 8 | 9 | 10 | 12 | 12 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
74% | 74% | 71% | 65% | 66% | 67% | 70% | 73% | 72% | 69% | 74% | 77% |
Hottest month: | July | 30.2°C 86.4°F |
---|---|---|
Driest month: | January | 39mm 1.5ins |
Sunniest month: | July | 10.9hrs |
Coldest month: | January | -0.2°C 31.6°F |
Wettest month: | May | 106mm 4.2ins |
Warmest sea: | August | 21.2°C 70.2°F |