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 | 31.8 | 31.2 | 29.9 | 26.7 | 23.9 | 21.5 | 22 | 23.2 | 24.5 | 27.3 | 29.2 | 31.2 |
°F | 89.2 | 88.1 | 85.8 | 80 | 75 | 70.8 | 71.6 | 73.7 | 76.2 | 81.1 | 84.5 | 88.1 |
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 | 163 | 150 | 147 | 151 | 119 | 113 | 80 | 83 | 115 | 182 | 168 | 144 |
inches | 6.4 | 5.9 | 5.8 | 5.9 | 4.7 | 4.4 | 3.2 | 3.3 | 4.5 | 7.2 | 6.6 | 5.7 |
Rainy days | 10 | 8 | 8 | 8 | 7 | 8 | 7 | 8 | 8 | 10 | 9 | 9 |
Average annual rainfall in Santa Rosa: 1532.066mm (603.2 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 | 8.8 | 8.4 | 7.4 | 6.9 | 6.4 | 5.3 | 6.3 | 6.6 | 6.2 | 7.3 | 9.1 | 9.2 |
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 | 20.6 | 20.4 | 19.1 | 16.1 | 13.5 | 11.2 | 11.4 | 12.2 | 13.6 | 15.9 | 17.8 | 19.6 |
Max °C | 32.1 | 31.5 | 30.2 | 27 | 24.2 | 21.8 | 22.3 | 23.5 | 24.8 | 27.6 | 29.5 | 31.5 |
Min °F | 69 | 68.6 | 66.3 | 60.9 | 56.2 | 52.2 | 52.4 | 53.9 | 56.5 | 60.5 | 64 | 67.2 |
Max °F | 79.3 | 78.6 | 76.3 | 70.7 | 65.8 | 61.7 | 62.2 | 64 | 66.6 | 71.1 | 74.5 | 77.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 24.1 | 24.5 | 23.9 | 22.5 | 20.6 | 18.8 | 17.6 | 17.3 | 17.9 | 19.1 | 20.7 | 22.4 |
°F | 75.3 | 76 | 75.1 | 72.5 | 69 | 65.9 | 63.6 | 63.1 | 64.2 | 66.4 | 69.2 | 72.4 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 13 | 13 | 12 | 12 | 12 |
mph | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
69% | 72% | 74% | 75% | 77% | 77% | 74% | 72% | 70% | 69% | 68% | 66% |
Hottest month: | January | 31.8°C 89.2°F |
---|---|---|
Driest month: | July | 80mm 3.1ins |
Sunniest month: | November | 9.1hrs |
Coldest month: | June | 21.5°C 70.7°F |
Wettest month: | October | 182mm 7.2ins |
Warmest sea: | February | 24.5°C 76.1°F |