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 | -0.6 | 0.8 | 6.6 | 13.4 | 19.6 | 24.5 | 26.9 | 26.1 | 22.5 | 16.1 | 9.2 | 2.4 |
°F | 31 | 33.5 | 43.9 | 56.1 | 67.3 | 76.1 | 80.5 | 78.9 | 72.5 | 61.1 | 48.6 | 36.3 |
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 | 57 | 53 | 79 | 86 | 87 | 100 | 90 | 91 | 97 | 77 | 91 | 81 |
inches | 2.3 | 2.1 | 3.1 | 3.4 | 3.4 | 3.9 | 3.5 | 3.6 | 3.8 | 3 | 3.6 | 3.2 |
Rainy days | 15 | 13 | 14 | 13 | 12 | 11 | 10 | 10 | 11 | 12 | 14 | 17 |
Average annual rainfall in Jefferson: 950.2mm (374.1 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 | 3 | 4.2 | 5.5 | 7.2 | 8.5 | 9.6 | 9.7 | 8.4 | 6.9 | 5.5 | 3 | 2.1 |
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 | -9.1 | -8.5 | -3.1 | 2.4 | 7.9 | 13 | 15.4 | 14.9 | 11.5 | 5.6 | 1 | -5.2 |
Max °C | -0.4 | 1.1 | 6.9 | 13.7 | 19.9 | 24.8 | 27.2 | 26.4 | 22.8 | 16.4 | 9.5 | 2.6 |
Min °F | 15.7 | 16.8 | 26.5 | 36.2 | 46.2 | 55.4 | 59.7 | 58.7 | 52.6 | 42.1 | 33.7 | 22.7 |
Max °F | 23.5 | 25.3 | 35.4 | 46.4 | 57 | 66 | 70.3 | 69.1 | 62.8 | 51.8 | 41.4 | 29.7 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 2.5 | 1.5 | 1.6 | 4 | 9.5 | 16.9 | 22.1 | 23 | 20.6 | 15.4 | 9.8 | 5 |
°F | 36.4 | 34.6 | 34.8 | 39.2 | 49.1 | 62.4 | 71.8 | 73.3 | 69.2 | 59.6 | 49.6 | 41.1 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 20 | 19 | 19 | 18 | 16 | 15 | 13 | 13 | 14 | 16 | 19 | 19 |
mph | 12 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 9 | 10 | 12 | 12 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
76% | 75% | 72% | 67% | 68% | 71% | 72% | 75% | 76% | 73% | 75% | 77% |
Hottest month: | July | 26.9°C 80.4°F |
---|---|---|
Driest month: | February | 53mm 2.1ins |
Sunniest month: | July | 9.7hrs |
Coldest month: | January | -0.6°C 30.9°F |
Wettest month: | June | 100mm 3.9ins |
Warmest sea: | August | 23°C 73.4°F |