San Juan Bautista monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at San Juan Bautista
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 30.5 | 30.3 | 31.3 | 31.4 | 31.7 | 31.6 | 31.7 | 32.1 | 32.6 | 32.4 | 31.6 | 30.6 |
| °F | 86.8 | 86.6 | 88.3 | 88.5 | 89.1 | 89 | 89 | 89.7 | 90.7 | 90.4 | 88.9 | 87 |
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 | 104 | 60 | 36 | 24 | 23 | 50 | 68 | 75 | 48 | 50 | 95 | 128 |
| inches | 4.1 | 2.4 | 1.4 | 0.9 | 0.9 | 2 | 2.7 | 3 | 1.9 | 2 | 3.7 | 5 |
| Rainy days | 13 | 7 | 6 | 4 | 3 | 8 | 11 | 9 | 5 | 5 | 11 | 13 |
Average annual rainfall in San Juan Bautista: 707.866mm (278.7 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in San Juan Bautista
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 8.6 | 9 | 8.9 | 8.1 | 8.1 | 7.4 | 7.6 | 8 | 8.2 | 8.3 | 8.7 | 8.1 |
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 | 20.7 | 20.7 | 21.7 | 22.2 | 23.1 | 23.4 | 23.1 | 23.1 | 23.4 | 23.2 | 22.4 | 21.2 |
| Max °C | 30.7 | 30.6 | 31.5 | 31.6 | 32 | 31.9 | 31.9 | 32.3 | 32.9 | 32.7 | 31.9 | 30.8 |
| Min °F | 69.3 | 69.2 | 71.1 | 72 | 73.5 | 74 | 73.6 | 73.6 | 74 | 73.7 | 72.2 | 70.2 |
| Max °F | 78.3 | 78.1 | 79.9 | 80.4 | 81.5 | 81.7 | 81.5 | 81.9 | 82.6 | 82.2 | 80.8 | 78.8 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 26.4 | 26 | 26.1 | 26.4 | 27 | 27.3 | 27.5 | 28.2 | 28.6 | 28.4 | 28.1 | 27.2 |
| °F | 79.5 | 78.8 | 78.9 | 79.6 | 80.6 | 81.2 | 81.5 | 82.7 | 83.5 | 83.2 | 82.5 | 81 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 11 | 12 | 13 | 13 | 12 | 11 | 10 | 9 | 9 | 9 | 10 | 10 |
| mph | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 7 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 79% | 78% | 77% | 76% | 76% | 76% | 76% | 77% | 75% | 76% | 77% | 78% |
Other monthly averages
San Juan Bautista weather stats
| Hottest month: | September | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | May | 23mm 0.9ins |
| Sunniest month: | February | 9hrs |
| Coldest month: | February | 30.3°C 86.5°F |
| Wettest month: | December | 128mm 5ins |
| Warmest sea: | September | 28.6°C 83.5°F |
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