San Julian monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at San Julian
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 30.9 | 30.9 | 30.5 | 29 | 26.3 | 24.7 | 25.5 | 28.3 | 29.9 | 31.1 | 31.4 | 31.2 |
| °F | 87.7 | 87.6 | 86.8 | 84.3 | 79.4 | 76.5 | 78 | 82.9 | 85.8 | 88 | 88.6 | 88.2 |
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 | 154 | 108 | 95 | 73 | 54 | 61 | 38 | 34 | 51 | 89 | 120 | 154 |
| inches | 6.1 | 4.3 | 3.7 | 2.9 | 2.1 | 2.4 | 1.5 | 1.3 | 2 | 3.5 | 4.7 | 6.1 |
| Rainy days | 13 | 11 | 10 | 8 | 9 | 7 | 5 | 4 | 5 | 7 | 9 | 11 |
Average annual rainfall in San Julian: 948.633mm (373.5 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in San Julian
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 7.1 | 7.1 | 7.6 | 8.2 | 7.3 | 7 | 7.8 | 9 | 8.7 | 8.5 | 8.2 | 7.3 |
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 | 21.5 | 21.3 | 20.5 | 18.5 | 16.9 | 15.5 | 14.8 | 16.1 | 18 | 19.8 | 20.5 | 21.2 |
| Max °C | 31.2 | 31.2 | 30.7 | 29.3 | 26.6 | 25 | 25.8 | 28.6 | 30.2 | 31.4 | 31.7 | 31.5 |
| Min °F | 70.6 | 70.3 | 68.9 | 65.3 | 62.3 | 59.8 | 58.6 | 60.9 | 64.4 | 67.6 | 68.9 | 70.1 |
| Max °F | 79.3 | 79.2 | 78.1 | 75 | 71.1 | 68.4 | 68.5 | 72.1 | 75.4 | 78.1 | 79 | 79.3 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 24.7 | 25.1 | 24.6 | 23.4 | 21.8 | 20.4 | 19.3 | 18.9 | 19.2 | 20.2 | 21.7 | 23.3 |
| °F | 76.5 | 77.3 | 76.3 | 74.1 | 71.2 | 68.7 | 66.7 | 66 | 66.6 | 68.4 | 71.1 | 74 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 16 | 14 | 14 | 14 | 15 | 17 | 19 | 19 | 18 | 17 | 16 | 15 |
| mph | 10 | 9 | 9 | 9 | 9 | 11 | 12 | 12 | 11 | 11 | 10 | 9 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74% | 74% | 73% | 72% | 75% | 74% | 68% | 60% | 60% | 63% | 65% | 70% |
Other monthly averages
San Julian weather stats
| Hottest month: | January | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | August | 34mm 1.3ins |
| Sunniest month: | August | 9hrs |
| Coldest month: | June | 24.7°C 76.5°F |
| Wettest month: | January | 154mm 6.1ins |
| Warmest sea: | February | 25.1°C 77.2°F |
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