San Jacinto monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at San Jacinto
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 25.2 | 26.6 | 29.2 | 30.2 | 30 | 28.5 | 27.8 | 28.3 | 27.5 | 26.7 | 25.7 | 25.1 |
| °F | 77.4 | 79.8 | 84.5 | 86.4 | 85.9 | 83.2 | 82 | 83 | 81.5 | 80.1 | 78.3 | 77.2 |
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.
Average rainfall & rainy days
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 | 22 | 18 | 17 | 33 | 122 | 237 | 216 | 183 | 229 | 129 | 39 | 29 |
| inches | 0.9 | 0.7 | 0.7 | 1.3 | 4.8 | 9.3 | 8.5 | 7.2 | 9 | 5.1 | 1.6 | 1.1 |
| Rainy days | 11 | 8 | 7 | 8 | 16 | 25 | 25 | 25 | 25 | 21 | 14 | 12 |
Average annual rainfall in San Jacinto: 1198.233mm (471.7 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in San Jacinto
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 7.3 | 7.8 | 8.6 | 8.9 | 8.6 | 7.5 | 7.2 | 6.9 | 6.1 | 6.3 | 6.6 | 6.7 |
Day / night temperatures
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 | 15 | 15.2 | 16.3 | 17.7 | 18.4 | 18.9 | 18.4 | 18.5 | 18.3 | 17.9 | 16.7 | 15.7 |
| Max °C | 25.5 | 26.9 | 29.5 | 30.6 | 30.3 | 28.7 | 28 | 28.6 | 27.8 | 27 | 26 | 25.4 |
| Min °F | 58.9 | 59.3 | 61.3 | 63.8 | 65 | 66 | 65.1 | 65.2 | 64.9 | 64.1 | 62 | 60.2 |
| Max °F | 68.4 | 69.8 | 73.2 | 75.4 | 75.7 | 74.8 | 73.8 | 74.3 | 73.4 | 72.3 | 70.3 | 68.9 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 28 | 28.1 | 28.6 | 29.4 | 29.7 | 29.6 | 29.5 | 29.7 | 29.5 | 29.3 | 29.1 | 28.6 |
| °F | 82.4 | 82.5 | 83.5 | 84.9 | 85.4 | 85.2 | 85.2 | 85.5 | 85.1 | 84.7 | 84.4 | 83.5 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 13 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 13 |
| mph | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 8 | 8 | 8 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 76% | 73% | 69% | 69% | 72% | 79% | 81% | 82% | 84% | 82% | 80% | 79% |
Other monthly averages
San Jacinto weather stats
| Hottest month: | May | 30°C 86°F |
|---|---|---|
| Driest month: | March | 17mm 0.7ins |
| Sunniest month: | March | 8.6hrs |
| Coldest month: | January | 25.2°C 77.4°F |
| Wettest month: | June | 237mm 9.3ins |
| Warmest sea: | August | 29.7°C 85.5°F |
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