The bar chart below shows the average monthly peak daytime temperatures at Jefferson
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10.3 | 12.9 | 17.8 | 22.6 | 26.1 | 29.7 | 31.1 | 30.5 | 27.4 | 22.3 | 17.3 | 12.2 |
°F | 50.6 | 55.2 | 64 | 72.6 | 79 | 85.4 | 88 | 86.9 | 81.3 | 72.1 | 63.2 | 53.9 |
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 | 129 | 118 | 148 | 109 | 109 | 102 | 120 | 94 | 93 | 88 | 98 | 113 |
inches | 5.1 | 4.6 | 5.8 | 4.3 | 4.3 | 4 | 4.7 | 3.7 | 3.7 | 3.4 | 3.8 | 4.4 |
Rainy days | 11 | 10 | 11 | 9 | 9 | 9 | 11 | 9 | 8 | 6 | 9 | 10 |
Average annual rainfall in Jefferson: 1270mm (500 inches)
The bar chart below shows the average daily sunshine hours in Jefferson
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 4.7 | 5.6 | 6.8 | 8.1 | 9 | 9.5 | 9 | 8.7 | 7.8 | 7.3 | 5.1 | 4.2 |
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 | -0.2 | 1.2 | 5.3 | 9.5 | 14 | 18.1 | 20.3 | 19.9 | 16.8 | 10.2 | 5.6 | 1.6 |
Max °C | 10.6 | 13.2 | 18.1 | 22.9 | 26.4 | 30 | 31.4 | 30.8 | 27.7 | 22.6 | 17.6 | 12.5 |
Min °F | 31.6 | 34.2 | 41.5 | 49.1 | 57.2 | 64.5 | 68.5 | 67.7 | 62.2 | 50.4 | 42.1 | 34.8 |
Max °F | 41.4 | 45 | 53.1 | 61.2 | 68.4 | 75.2 | 78.4 | 77.5 | 72 | 61.5 | 52.9 | 44.6 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 13.6 | 12.9 | 13.1 | 15 | 18.9 | 23.3 | 26.3 | 26.9 | 25.5 | 21.9 | 18.2 | 15.5 |
°F | 56.5 | 55.2 | 55.6 | 59.1 | 65.9 | 73.9 | 79.3 | 80.5 | 77.9 | 71.5 | 64.8 | 59.8 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 14 | 15 | 15 | 14 | 12 | 11 | 11 | 10 | 11 | 12 | 12 | 14 |
mph | 9 | 9 | 9 | 9 | 8 | 7 | 7 | 6 | 7 | 7 | 8 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
69% | 64% | 64% | 63% | 70% | 71% | 75% | 77% | 76% | 71% | 69% | 70% |
Hottest month: | July | 31.1°C 88°F |
---|---|---|
Driest month: | October | 88mm 3.5ins |
Sunniest month: | June | 9.5hrs |
Coldest month: | January | 10.3°C 50.5°F |
Wettest month: | March | 148mm 5.8ins |
Warmest sea: | August | 26.9°C 80.4°F |