The bar chart below shows the average monthly peak daytime temperatures at Rolleston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 22.1 | 21.8 | 19.9 | 17.2 | 13.7 | 10.9 | 10.4 | 11.8 | 14.1 | 16.7 | 18.7 | 20.7 |
°F | 71.8 | 71.2 | 67.9 | 63 | 56.6 | 51.6 | 50.7 | 53.2 | 57.4 | 62 | 65.7 | 69.3 |
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 | 50 | 45 | 57 | 56 | 58 | 54 | 67 | 64 | 41 | 48 | 53 | 50 |
inches | 1.9 | 1.8 | 2.2 | 2.2 | 2.3 | 2.1 | 2.6 | 2.5 | 1.6 | 1.9 | 2.1 | 2 |
Rainy days | 8 | 8 | 10 | 9 | 11 | 12 | 12 | 12 | 10 | 10 | 10 | 10 |
Average annual rainfall in Rolleston: 769.834mm (303.1 inches)
The bar chart below shows the average daily sunshine hours in Rolleston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 7.6 | 7.3 | 5.8 | 5.7 | 4.5 | 4.3 | 4.1 | 5 | 5.6 | 6.8 | 7.2 | 7.4 |
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 | 11.2 | 11 | 9.6 | 6.5 | 3.7 | 1.1 | 1 | 2.2 | 3.9 | 5.9 | 7.8 | 10 |
Max °C | 22.4 | 22.1 | 20.2 | 17.5 | 13.9 | 11.1 | 10.6 | 12 | 14.4 | 17 | 19 | 21 |
Min °F | 52.2 | 51.7 | 49.3 | 43.7 | 38.7 | 34 | 33.8 | 36 | 38.9 | 42.5 | 46 | 50 |
Max °F | 62.2 | 61.7 | 58.8 | 53.6 | 47.8 | 43 | 42.4 | 44.8 | 48.4 | 52.5 | 56.1 | 59.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 14.8 | 15.3 | 14.5 | 13.1 | 11.6 | 10.5 | 9.8 | 9.5 | 9.8 | 10.6 | 11.9 | 13.5 |
°F | 58.6 | 59.6 | 58 | 55.5 | 53 | 50.9 | 49.7 | 49.1 | 49.7 | 51.1 | 53.4 | 56.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 15 | 14 | 13 | 11 | 10 | 9 | 10 | 11 | 13 | 14 | 14 | 14 |
mph | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 7 | 8 | 9 | 9 | 9 |
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% | 77% | 78% | 82% | 84% | 85% | 86% | 84% | 77% | 71% | 71% | 71% |
Hottest month: | January | 22.1°C 71.8°F |
---|---|---|
Driest month: | September | 41mm 1.6ins |
Sunniest month: | February | 7.3hrs |
Coldest month: | July | 10.4°C 50.7°F |
Wettest month: | July | 67mm 2.6ins |
Warmest sea: | February | 15.3°C 59.5°F |