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 | 31.6 | 31.9 | 32.1 | 32.3 | 31.9 | 31.8 | 32 | 31.9 | 31.5 | 31 | 31.2 | 31.3 |
°F | 88.9 | 89.5 | 89.8 | 90.1 | 89.4 | 89.3 | 89.6 | 89.4 | 88.6 | 87.8 | 88.1 | 88.4 |
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 | 9 | 5 | 9 | 46 | 108 | 117 | 100 | 133 | 142 | 211 | 126 | 32 |
inches | 0.3 | 0.2 | 0.3 | 1.8 | 4.3 | 4.6 | 3.9 | 5.2 | 5.6 | 8.3 | 4.9 | 1.3 |
Rainy days | 1 | 0 | 0 | 3 | 10 | 12 | 9 | 13 | 13 | 16 | 11 | 3 |
Average annual rainfall in Santa Rosa: 971.9mm (382.6 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 | 8.6 | 7.8 | 6.9 | 6.4 | 6.4 | 7.2 | 6.6 | 5.8 | 5.5 | 6.6 | 7.8 |
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 | 22.4 | 22.7 | 23.1 | 23.9 | 24.3 | 24.4 | 24.2 | 24.2 | 24.2 | 23.9 | 23.9 | 23.1 |
Max °C | 31.9 | 32.2 | 32.4 | 32.5 | 32.1 | 32 | 32.2 | 32.1 | 31.7 | 31.2 | 31.4 | 31.6 |
Min °F | 72.2 | 72.8 | 73.5 | 75 | 75.7 | 75.9 | 75.6 | 75.5 | 75.5 | 74.9 | 74.9 | 73.5 |
Max °F | 80.8 | 81.3 | 81.9 | 82.8 | 82.8 | 82.8 | 82.8 | 82.6 | 82.2 | 81.5 | 81.7 | 81.1 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 27.3 | 27.2 | 27.2 | 27.6 | 28.5 | 29 | 28.8 | 29.1 | 29.2 | 29.2 | 28.8 | 28 |
°F | 81.1 | 80.9 | 81 | 81.7 | 83.3 | 84.3 | 83.9 | 84.3 | 84.6 | 84.5 | 83.8 | 82.4 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 14 | 15 | 16 | 14 | 13 | 14 | 15 | 14 | 12 | 10 | 10 | 12 |
mph | 9 | 9 | 10 | 9 | 8 | 9 | 9 | 9 | 7 | 6 | 6 | 8 |
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% | 77% | 77% | 78% | 81% | 82% | 81% | 82% | 83% | 84% | 83% | 81% |
Hottest month: | April | 32.3°C 90.1°F |
---|---|---|
Driest month: | February | 5mm 0.2ins |
Sunniest month: | January | 8.8hrs |
Coldest month: | January | 31.6°C 88.9°F |
Wettest month: | October | 211mm 8.3ins |
Warmest sea: | September | 29.2°C 84.6°F |