The bar chart below shows the average monthly peak daytime temperatures at Grand Rapids
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -1.6 | -0.1 | 6.2 | 13.8 | 20.5 | 25.3 | 27.6 | 26.4 | 22.2 | 15.5 | 7.9 | 0.9 |
°F | 29.1 | 31.9 | 43.1 | 56.8 | 68.9 | 77.5 | 81.7 | 79.5 | 71.9 | 60 | 46.3 | 33.7 |
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 | 56 | 39 | 64 | 84 | 77 | 87 | 78 | 89 | 98 | 74 | 82 | 72 |
inches | 2.2 | 1.5 | 2.5 | 3.3 | 3 | 3.4 | 3.1 | 3.5 | 3.8 | 2.9 | 3.2 | 2.8 |
Rainy days | 17 | 12 | 13 | 13 | 10 | 10 | 9 | 9 | 10 | 11 | 13 | 17 |
Average annual rainfall in Grand Rapids: 857.567mm (337.6 inches)
The bar chart below shows the average daily sunshine hours in Grand Rapids
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 3.5 | 4.8 | 6 | 7.6 | 9.1 | 10.5 | 10.5 | 9.4 | 7.5 | 5.6 | 3.2 | 2.5 |
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 | -9.4 | -9 | -3.6 | 2 | 7.4 | 12.4 | 15.3 | 14.3 | 10.2 | 4.4 | -0.4 | -6.1 |
Max °C | -1.4 | 0.1 | 6.4 | 14.1 | 20.8 | 25.6 | 27.9 | 26.7 | 22.5 | 15.8 | 8.2 | 1.1 |
Min °F | 15.1 | 15.9 | 25.5 | 35.5 | 45.3 | 54.3 | 59.5 | 57.7 | 50.3 | 39.9 | 31.4 | 21 |
Max °F | 22.3 | 24.1 | 34.5 | 46.4 | 57.4 | 66.2 | 70.9 | 68.9 | 61.3 | 50.2 | 39 | 27.5 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 3.7 | 2.9 | 2.7 | 3.8 | 6.3 | 12.3 | 19.2 | 21.7 | 19.5 | 13.9 | 8.8 | 5.3 |
°F | 38.6 | 37.2 | 36.9 | 38.8 | 43.4 | 54.1 | 66.6 | 71.1 | 67.1 | 57.1 | 47.9 | 41.6 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 20 | 19 | 20 | 19 | 17 | 16 | 14 | 14 | 15 | 17 | 19 | 19 |
mph | 13 | 12 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
77% | 75% | 71% | 67% | 65% | 68% | 70% | 74% | 76% | 75% | 77% | 80% |
Hottest month: | July | 27.6°C 81.7°F |
---|---|---|
Driest month: | February | 39mm 1.5ins |
Sunniest month: | July | 10.5hrs |
Coldest month: | January | -1.6°C 29.1°F |
Wettest month: | September | 98mm 3.9ins |
Warmest sea: | August | 21.7°C 71.1°F |