The bar chart below shows the average monthly peak daytime temperatures at Prosser
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 3.4 | 8.3 | 12.8 | 17.1 | 21.9 | 26.2 | 30 | 29.3 | 24.7 | 18 | 9.2 | 4.4 |
°F | 38 | 47 | 55 | 62.7 | 71.4 | 79.1 | 85.9 | 84.8 | 76.4 | 64.4 | 48.6 | 39.9 |
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 | 27 | 18 | 17 | 16 | 17 | 15 | 6 | 9 | 12 | 18 | 27 | 30 |
inches | 1.1 | 0.7 | 0.7 | 0.6 | 0.7 | 0.6 | 0.2 | 0.3 | 0.5 | 0.7 | 1.1 | 1.2 |
Rainy days | 10 | 9 | 8 | 6 | 6 | 5 | 2 | 3 | 4 | 5 | 10 | 11 |
Average annual rainfall in Prosser: 136.7mm (53.8 inches)
The bar chart below shows the average daily sunshine hours in Prosser
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 2.3 | 3.8 | 6.3 | 7.9 | 9.8 | 11.1 | 12.6 | 11.4 | 9.3 | 6.5 | 2.7 | 1.8 |
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 | -4.8 | -2 | -0.1 | 2.8 | 6.6 | 10.5 | 12.4 | 11.9 | 7.9 | 2.6 | -0.7 | -3.4 |
Max °C | 3.6 | 8.6 | 13.1 | 17.4 | 22.3 | 26.6 | 30.4 | 29.8 | 25.1 | 18.4 | 9.5 | 4.6 |
Min °F | 23.5 | 28.4 | 31.8 | 37 | 43.8 | 50.8 | 54.3 | 53.3 | 46.2 | 36.7 | 30.8 | 26 |
Max °F | 30.9 | 37.9 | 43.7 | 50.2 | 57.9 | 65.3 | 70.5 | 69.4 | 61.7 | 50.9 | 39.9 | 33.1 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.3 | 8.3 | 8.3 | 8.6 | 9.4 | 10.9 | 12.5 | 13.4 | 13 | 11.6 | 10 | 8.8 |
°F | 47 | 46.9 | 47 | 47.5 | 49 | 51.6 | 54.6 | 56.2 | 55.4 | 52.9 | 50 | 47.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 12 | 13 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 |
mph | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
78% | 74% | 63% | 56% | 51% | 47% | 41% | 44% | 52% | 62% | 75% | 80% |
Hottest month: | July | 30°C 86°F |
---|---|---|
Driest month: | July | 6mm 0.2ins |
Sunniest month: | July | 12.6hrs |
Coldest month: | January | 3.4°C 38.1°F |
Wettest month: | December | 30mm 1.2ins |
Warmest sea: | August | 13.4°C 56.1°F |