The bar chart below shows the average monthly peak daytime temperatures at Waterloo
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 3.3 | 6 | 12.4 | 19.2 | 24.4 | 29.2 | 31.3 | 30.2 | 26.2 | 20.4 | 12.5 | 5.5 |
°F | 37.9 | 42.8 | 54.4 | 66.6 | 75.9 | 84.6 | 88.4 | 86.4 | 79.1 | 68.7 | 54.5 | 42 |
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 | 49 | 60 | 89 | 98 | 106 | 94 | 96 | 81 | 80 | 68 | 83 | 71 |
inches | 1.9 | 2.4 | 3.5 | 3.8 | 4.2 | 3.7 | 3.8 | 3.2 | 3.1 | 2.7 | 3.3 | 2.8 |
Rainy days | 9 | 9 | 12 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 10 | 10 |
Average annual rainfall in Waterloo: 921.634mm (362.8 inches)
The bar chart below shows the average daily sunshine hours in Waterloo
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 5.6 | 6 | 6.9 | 8.1 | 9.4 | 10.6 | 10.8 | 9.7 | 8.6 | 7.5 | 5.2 | 4.7 |
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 | -6.5 | -4.1 | 1.5 | 7.5 | 12.6 | 17.7 | 20 | 18.5 | 14.6 | 8.1 | 2.5 | -3.4 |
Max °C | 3.5 | 6.3 | 12.7 | 19.5 | 24.7 | 29.5 | 31.6 | 30.5 | 26.5 | 20.7 | 12.8 | 5.8 |
Min °F | 20.3 | 24.7 | 34.7 | 45.5 | 54.6 | 63.9 | 68 | 65.3 | 58.2 | 46.6 | 36.4 | 26 |
Max °F | 29.3 | 34 | 44.8 | 56.3 | 65.5 | 74.5 | 78.4 | 76.1 | 68.9 | 57.9 | 45.7 | 34.2 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10.3 | 9.8 | 10.4 | 11.8 | 14 | 16.6 | 19.7 | 22.6 | 21.2 | 17.1 | 13.9 | 11.7 |
°F | 50.5 | 49.7 | 50.7 | 53.2 | 57.1 | 61.9 | 67.5 | 72.7 | 70.2 | 62.8 | 56.9 | 53 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 18 | 18 | 20 | 19 | 16 | 15 | 14 | 13 | 14 | 16 | 17 | 18 |
mph | 11 | 11 | 13 | 12 | 10 | 9 | 9 | 8 | 9 | 10 | 11 | 11 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
73% | 72% | 68% | 64% | 67% | 67% | 69% | 71% | 72% | 69% | 72% | 75% |
Hottest month: | July | 31.3°C 88.3°F |
---|---|---|
Driest month: | January | 49mm 1.9ins |
Sunniest month: | July | 10.8hrs |
Coldest month: | January | 3.3°C 37.9°F |
Wettest month: | May | 106mm 4.2ins |
Warmest sea: | August | 22.6°C 72.7°F |