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 | 3.3 | 6.2 | 12.8 | 19.2 | 24.4 | 29.3 | 30.9 | 30 | 26.5 | 20.3 | 12.8 | 6 |
°F | 37.9 | 43.2 | 55.1 | 66.6 | 75.9 | 84.7 | 87.6 | 85.9 | 79.8 | 68.6 | 55 | 42.9 |
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 | 70 | 77 | 122 | 106 | 137 | 100 | 121 | 98 | 74 | 80 | 103 | 98 |
inches | 2.7 | 3 | 4.8 | 4.2 | 5.4 | 3.9 | 4.7 | 3.9 | 2.9 | 3.2 | 4.1 | 3.8 |
Rainy days | 10 | 10 | 12 | 12 | 11 | 9 | 9 | 8 | 8 | 8 | 10 | 11 |
Average annual rainfall in Petersburg: 1136.867mm (447.6 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 | 5.1 | 5.7 | 6.8 | 8.1 | 9.5 | 11 | 10.8 | 10.2 | 8.8 | 7.6 | 5.1 | 4.4 |
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 | -6.1 | -4.1 | 1.7 | 6.9 | 11.9 | 16.8 | 19 | 17.8 | 14.2 | 7.4 | 2.6 | -3.1 |
Max °C | 3.5 | 6.5 | 13.1 | 19.6 | 24.7 | 29.6 | 31.2 | 30.3 | 26.9 | 20.7 | 13.1 | 6.3 |
Min °F | 21 | 24.7 | 35.1 | 44.3 | 53.4 | 62.2 | 66.2 | 64 | 57.5 | 45.2 | 36.6 | 26.5 |
Max °F | 29.7 | 34.2 | 45.3 | 55.8 | 64.9 | 73.8 | 77.2 | 75.2 | 68.9 | 57.2 | 46 | 34.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 9 | 8.4 | 8.6 | 10 | 12.7 | 17.1 | 21.8 | 23.8 | 22.1 | 17.5 | 13.5 | 10.7 |
°F | 48.3 | 47 | 47.5 | 49.9 | 54.8 | 62.8 | 71.2 | 74.9 | 71.8 | 63.6 | 56.3 | 51.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 17 | 18 | 17 | 14 | 13 | 11 | 11 | 12 | 13 | 16 | 16 |
mph | 10 | 10 | 11 | 11 | 9 | 8 | 7 | 7 | 7 | 8 | 10 | 10 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
72% | 71% | 68% | 65% | 68% | 68% | 71% | 73% | 73% | 70% | 72% | 74% |
Hottest month: | July | 30.9°C 87.6°F |
---|---|---|
Driest month: | January | 70mm 2.8ins |
Sunniest month: | June | 11hrs |
Coldest month: | January | 3.3°C 37.9°F |
Wettest month: | May | 137mm 5.4ins |
Warmest sea: | August | 23.8°C 74.8°F |