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 | 31.9 | 31.5 | 31.9 | 31.8 | 31.1 | 29.7 | 30.6 | 32.1 | 33.1 | 33.5 | 32.9 | 32.3 |
°F | 89.5 | 88.8 | 89.4 | 89.2 | 88 | 85.5 | 87.1 | 89.8 | 91.7 | 92.2 | 91.2 | 90.1 |
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 | 272 | 290 | 241 | 147 | 102 | 76 | 60 | 56 | 68 | 128 | 179 | 239 |
inches | 10.7 | 11.4 | 9.5 | 5.8 | 4 | 3 | 2.3 | 2.2 | 2.7 | 5 | 7.1 | 9.4 |
Rainy days | 15 | 14 | 12 | 8 | 5 | 3 | 2 | 3 | 5 | 8 | 10 | 13 |
Average annual rainfall in Santa Rosa: 1775.333mm (699 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 | 5.8 | 5.9 | 6.1 | 6.8 | 7.1 | 7.2 | 8 | 8 | 7.4 | 7 | 7 | 6.2 |
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 | 22.9 | 22.7 | 22.7 | 21.8 | 20.3 | 18.2 | 17.7 | 18.8 | 20.6 | 22.1 | 22.7 | 22.9 |
Max °C | 32.2 | 31.8 | 32.1 | 32 | 31.4 | 30 | 30.9 | 32.5 | 33.5 | 33.8 | 33.2 | 32.5 |
Min °F | 73.1 | 72.8 | 72.9 | 71.2 | 68.5 | 64.8 | 63.9 | 65.8 | 69 | 71.7 | 72.8 | 73.2 |
Max °F | 81.5 | 81 | 81.3 | 80.4 | 78.4 | 75.4 | 75.7 | 78.1 | 80.6 | 82.2 | 82.2 | 81.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 23.8 | 24.2 | 23.6 | 22.4 | 21 | 19.9 | 18.9 | 18.5 | 18.8 | 19.6 | 20.8 | 22.3 |
°F | 74.8 | 75.5 | 74.5 | 72.3 | 69.9 | 67.8 | 66 | 65.3 | 65.9 | 67.3 | 69.5 | 72.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 10 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 11 | 10 | 10 |
mph | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 6 | 6 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
79% | 80% | 79% | 77% | 76% | 75% | 71% | 69% | 68% | 72% | 74% | 77% |
Hottest month: | October | 33.5°C 92.3°F |
---|---|---|
Driest month: | August | 56mm 2.2ins |
Sunniest month: | July | 8hrs |
Coldest month: | June | 29.7°C 85.5°F |
Wettest month: | February | 290mm 11.4ins |
Warmest sea: | February | 24.2°C 75.6°F |