The bar chart below shows the average monthly peak daytime temperatures at Grahamstown
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 27 | 27 | 25.8 | 23.9 | 21.8 | 19.7 | 19.6 | 20.4 | 21.5 | 22.3 | 23.8 | 26 |
°F | 80.7 | 80.6 | 78.4 | 75 | 71.3 | 67.4 | 67.4 | 68.8 | 70.7 | 72.1 | 74.8 | 78.7 |
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 | 54 | 74 | 83 | 51 | 40 | 35 | 39 | 57 | 53 | 76 | 72 | 60 |
inches | 2.1 | 2.9 | 3.3 | 2 | 1.6 | 1.4 | 1.5 | 2.2 | 2.1 | 3 | 2.8 | 2.3 |
Rainy days | 10 | 9 | 10 | 8 | 6 | 5 | 5 | 6 | 7 | 10 | 10 | 9 |
Average annual rainfall in Grahamstown: 684.933mm (269.7 inches)
The bar chart below shows the average daily sunshine hours in Grahamstown
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 8.7 | 8.1 | 7.4 | 7.3 | 7 | 7 | 7.5 | 7.7 | 7.6 | 7.8 | 8.4 | 9.2 |
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 | 15.9 | 16.2 | 15.2 | 12.5 | 9.9 | 7.7 | 7.1 | 8.1 | 9.6 | 11.1 | 12.8 | 14.4 |
Max °C | 27.3 | 27.3 | 26.1 | 24.2 | 22.1 | 20 | 20 | 20.8 | 21.8 | 22.6 | 24.1 | 26.3 |
Min °F | 60.6 | 61.1 | 59.3 | 54.4 | 49.8 | 45.8 | 44.7 | 46.5 | 49.3 | 51.9 | 55 | 57.8 |
Max °F | 70.9 | 71.1 | 69.1 | 64.9 | 60.8 | 56.8 | 56.3 | 57.9 | 60.3 | 62.2 | 65.1 | 68.5 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 23.5 | 24 | 23.7 | 23 | 22.2 | 21 | 20.2 | 19.8 | 19.8 | 20.2 | 21.2 | 22.5 |
°F | 74.3 | 75.2 | 74.7 | 73.3 | 71.9 | 69.8 | 68.4 | 67.7 | 67.7 | 68.4 | 70.2 | 72.5 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 16 | 14 | 13 | 13 | 13 | 14 | 15 | 16 | 18 | 17 | 17 |
mph | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
71% | 72% | 73% | 70% | 64% | 60% | 58% | 60% | 66% | 70% | 71% | 70% |
Hottest month: | February | 27°C 80.6°F |
---|---|---|
Driest month: | June | 35mm 1.4ins |
Sunniest month: | July | 7.5hrs |
Coldest month: | July | 19.6°C 67.3°F |
Wettest month: | March | 83mm 3.3ins |
Warmest sea: | February | 24°C 75.2°F |