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 | 13.4 | 16.3 | 16.9 | 19.3 | 22.2 | 25.1 | 27.2 | 27.1 | 26.6 | 23.4 | 17.1 | 13.4 |
°F | 56.1 | 61.3 | 62.4 | 66.8 | 72 | 77.1 | 81 | 80.7 | 79.9 | 74.1 | 62.8 | 56.1 |
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 | 182 | 135 | 114 | 49 | 13 | 7 | 2 | 3 | 12 | 52 | 123 | 147 |
inches | 7.2 | 5.3 | 4.5 | 1.9 | 0.5 | 0.3 | 0.1 | 0.1 | 0.5 | 2.1 | 4.8 | 5.8 |
Rainy days | 11 | 10 | 11 | 7 | 3 | 2 | 1 | 1 | 2 | 5 | 10 | 11 |
Average annual rainfall in Santa Rosa: 753.767mm (296.8 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 | 6.2 | 7.7 | 9.1 | 11 | 11.7 | 11.9 | 11.8 | 10.8 | 10.2 | 8.8 | 6.4 | 5.6 |
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 | 3.2 | 4.9 | 5.5 | 6.4 | 8.3 | 10 | 10.6 | 10.8 | 10.4 | 8.3 | 5.4 | 3.4 |
Max °C | 13.7 | 16.6 | 17.2 | 19.7 | 22.6 | 25.5 | 27.7 | 27.5 | 27 | 23.8 | 17.4 | 13.7 |
Min °F | 37.7 | 40.7 | 41.8 | 43.4 | 46.9 | 49.9 | 51 | 51.4 | 50.7 | 46.9 | 41.7 | 38 |
Max °F | 47.1 | 51.3 | 52.3 | 55.4 | 59.7 | 63.9 | 66.4 | 66.4 | 65.7 | 60.8 | 52.5 | 47.3 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 12.1 | 12 | 11.9 | 11.7 | 11.8 | 12.2 | 13.1 | 14 | 14.4 | 14 | 13.4 | 12.6 |
°F | 53.8 | 53.6 | 53.5 | 53.1 | 53.2 | 54 | 55.5 | 57.2 | 57.9 | 57.3 | 56.1 | 54.6 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 12 | 14 | 16 | 17 | 19 | 19 | 18 | 17 | 15 | 13 | 12 | 12 |
mph | 7 | 9 | 10 | 11 | 12 | 12 | 11 | 11 | 9 | 8 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
81% | 77% | 74% | 70% | 69% | 67% | 67% | 69% | 68% | 71% | 77% | 81% |
Hottest month: | July | 27.2°C 81°F |
---|---|---|
Driest month: | July | 2mm 0.1ins |
Sunniest month: | April | 11hrs |
Coldest month: | January | 13.4°C 56.1°F |
Wettest month: | January | 182mm 7.2ins |
Warmest sea: | September | 14.4°C 57.9°F |