The bar chart below shows the average monthly peak daytime temperatures at Rock Rapids
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -4.5 | -1.3 | 5.6 | 14.9 | 22.1 | 27.2 | 29.9 | 28.3 | 23 | 16.4 | 6.4 | -2.3 |
°F | 23.9 | 29.7 | 42 | 58.9 | 71.7 | 81 | 85.9 | 82.9 | 73.4 | 61.5 | 43.5 | 27.9 |
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 | 12 | 18 | 43 | 62 | 79 | 104 | 84 | 93 | 73 | 46 | 31 | 20 |
inches | 0.5 | 0.7 | 1.7 | 2.4 | 3.1 | 4.1 | 3.3 | 3.7 | 2.9 | 1.8 | 1.2 | 0.8 |
Rainy days | 7 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 9 | 7 | 7 | 7 |
Average annual rainfall in Rock Rapids: 612.067mm (241 inches)
The bar chart below shows the average daily sunshine hours in Rock Rapids
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 6.1 | 6.6 | 7.5 | 8.5 | 9.7 | 11.3 | 11.8 | 10.5 | 8.6 | 7.2 | 5.2 | 4.9 |
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 | -16.6 | -13.2 | -6.1 | 1.4 | 8 | 13.7 | 16.4 | 14.6 | 8.9 | 1.9 | -5.3 | -13.4 |
Max °C | -4.2 | -1 | 5.9 | 15.3 | 22.4 | 27.6 | 30.3 | 28.6 | 23.4 | 16.8 | 6.7 | -2 |
Min °F | 2.1 | 8.2 | 21.1 | 34.4 | 46.4 | 56.6 | 61.4 | 58.3 | 47.9 | 35.3 | 22.6 | 7.9 |
Max °F | 13.3 | 19.2 | 31.8 | 46.9 | 59.4 | 69.1 | 73.9 | 70.9 | 61 | 48.7 | 33.3 | 18.1 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.1 | 7.9 | 8.3 | 9.3 | 10.8 | 13 | 15.6 | 18.3 | 17.2 | 13.9 | 10.9 | 9 |
°F | 46.6 | 46.2 | 46.9 | 48.7 | 51.5 | 55.4 | 60 | 65 | 62.9 | 57 | 51.7 | 48.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 19 | 19 | 22 | 23 | 21 | 18 | 17 | 17 | 18 | 18 | 19 | 19 |
mph | 12 | 12 | 14 | 14 | 13 | 11 | 11 | 11 | 11 | 11 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
72% | 72% | 71% | 64% | 63% | 66% | 67% | 70% | 71% | 67% | 73% | 76% |
Hottest month: | July | 29.9°C 85.8°F |
---|---|---|
Driest month: | January | 12mm 0.5ins |
Sunniest month: | July | 11.8hrs |
Coldest month: | January | -4.5°C 23.9°F |
Wettest month: | June | 104mm 4.1ins |
Warmest sea: | August | 18.3°C 64.9°F |