The bar chart below shows the average monthly peak daytime temperatures at Chatham
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 7.5 | 9.6 | 15.2 | 20.8 | 25.2 | 29 | 30.9 | 30.3 | 26.8 | 21 | 15.5 | 9.6 |
°F | 45.5 | 49.3 | 59.3 | 69.4 | 77.4 | 84.3 | 87.6 | 86.5 | 80.2 | 69.7 | 60 | 49.3 |
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 | 86 | 85 | 102 | 88 | 98 | 93 | 112 | 98 | 90 | 89 | 79 | 83 |
inches | 3.4 | 3.3 | 4 | 3.5 | 3.8 | 3.7 | 4.4 | 3.9 | 3.5 | 3.5 | 3.1 | 3.3 |
Rainy days | 10 | 9 | 10 | 9 | 11 | 9 | 11 | 10 | 7 | 7 | 8 | 9 |
Average annual rainfall in Chatham: 1058.933mm (416.9 inches)
The bar chart below shows the average daily sunshine hours in Chatham
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 5.9 | 6.5 | 7.7 | 8.7 | 9.1 | 9.9 | 9.3 | 8.7 | 8 | 7.5 | 6.2 | 5.6 |
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 | -3.4 | -1.9 | 2.1 | 6.7 | 11.5 | 16.3 | 18.6 | 18.3 | 14.3 | 7.3 | 3 | -1.3 |
Max °C | 7.8 | 9.9 | 15.5 | 21.1 | 25.6 | 29.4 | 31.2 | 30.6 | 27.1 | 21.3 | 15.9 | 9.9 |
Min °F | 26 | 28.6 | 35.8 | 44.1 | 52.6 | 61.3 | 65.5 | 64.9 | 57.7 | 45.1 | 37.3 | 29.7 |
Max °F | 36 | 39.2 | 47.8 | 57 | 65.3 | 73 | 76.8 | 75.9 | 69.3 | 57.7 | 48.9 | 39.7 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 13.2 | 12.4 | 12.5 | 14 | 17.7 | 22.5 | 25.6 | 26.2 | 24.7 | 21.2 | 17.5 | 15 |
°F | 55.8 | 54.4 | 54.5 | 57.3 | 63.9 | 72.4 | 78.1 | 79.2 | 76.5 | 70.1 | 63.6 | 58.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 14 | 14 | 15 | 15 | 12 | 11 | 10 | 10 | 10 | 11 | 13 | 13 |
mph | 9 | 9 | 9 | 9 | 8 | 7 | 7 | 6 | 7 | 7 | 8 | 8 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
65% | 62% | 61% | 57% | 69% | 71% | 75% | 77% | 74% | 70% | 67% | 67% |
Hottest month: | July | 30.9°C 87.6°F |
---|---|---|
Driest month: | November | 79mm 3.1ins |
Sunniest month: | June | 9.9hrs |
Coldest month: | January | 7.5°C 45.5°F |
Wettest month: | July | 112mm 4.4ins |
Warmest sea: | August | 26.2°C 79.2°F |