The bar chart below shows the average monthly peak daytime temperatures at Santa Rosa
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 11.1 | 13.2 | 16.7 | 21.5 | 26.3 | 30.9 | 32.3 | 30.9 | 27.3 | 22.7 | 15.9 | 11.2 |
°F | 52 | 55.7 | 62.1 | 70.6 | 79.3 | 87.6 | 90.1 | 87.6 | 81.1 | 72.9 | 60.6 | 52.1 |
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 | 10 | 10 | 15 | 15 | 32 | 41 | 62 | 75 | 41 | 28 | 16 | 15 |
inches | 0.4 | 0.4 | 0.6 | 0.6 | 1.2 | 1.6 | 2.4 | 2.9 | 1.6 | 1.1 | 0.6 | 0.6 |
Rainy days | 4 | 4 | 4 | 4 | 5 | 6 | 8 | 9 | 7 | 4 | 3 | 4 |
Average annual rainfall in Santa Rosa: 287.367mm (113.1 inches)
The bar chart below shows the average daily sunshine hours in Santa Rosa
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 8.1 | 8.6 | 9.6 | 10.9 | 11.7 | 12.4 | 11.5 | 10.7 | 9.8 | 9.6 | 8.1 | 7.7 |
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 | -5.7 | -3.8 | -1 | 3.5 | 8.3 | 13.3 | 16.1 | 15.1 | 11.2 | 4.7 | -0.9 | -5.2 |
Max °C | 11.5 | 13.6 | 17.2 | 21.9 | 26.7 | 31.3 | 32.7 | 31.3 | 27.7 | 23.2 | 16.3 | 11.6 |
Min °F | 21.7 | 25.2 | 30.3 | 38.3 | 46.9 | 55.9 | 61 | 59.2 | 52.1 | 40.4 | 30.4 | 22.7 |
Max °F | 37.2 | 40.8 | 46.6 | 54.9 | 63.5 | 72.1 | 75.9 | 73.8 | 66.9 | 57 | 45.9 | 37.8 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 13.9 | 13.7 | 14.1 | 15.1 | 16.8 | 18.8 | 20.9 | 22.2 | 21.5 | 19.3 | 17 | 15.1 |
°F | 57.1 | 56.6 | 57.4 | 59.2 | 62.2 | 65.9 | 69.6 | 72 | 70.7 | 66.7 | 62.6 | 59.1 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 16 | 17 | 19 | 20 | 19 | 18 | 16 | 15 | 16 | 15 | 16 | 15 |
mph | 10 | 10 | 12 | 13 | 12 | 11 | 10 | 9 | 10 | 9 | 10 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
56% | 51% | 43% | 37% | 41% | 42% | 47% | 53% | 53% | 51% | 51% | 56% |
Hottest month: | July | 32.3°C 90.1°F |
---|---|---|
Driest month: | January | 10mm 0.4ins |
Sunniest month: | June | 12.4hrs |
Coldest month: | January | 11.1°C 52°F |
Wettest month: | August | 75mm 3ins |
Warmest sea: | August | 22.2°C 72°F |