San Isidro monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at San Isidro
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 25.8 | 26.6 | 26.2 | 24.5 | 21.7 | 19.4 | 18.6 | 18.4 | 18.6 | 20 | 21.8 | 24.2 |
| °F | 78.4 | 79.8 | 79.2 | 76 | 71 | 66.9 | 65.4 | 65.1 | 65.5 | 68 | 71.2 | 75.5 |
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 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 2 | 1 | 1 | 2 |
| inches | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0.1 |
| Rainy days | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
Average annual rainfall in San Isidro: -72.166mm (-28.4 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in San Isidro
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 6.3 | 7.2 | 7.3 | 7.4 | 4.8 | 2 | 1.4 | 1.3 | 1.8 | 3.3 | 4.7 | 5.8 |
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 | 18.3 | 18.9 | 18.4 | 16.8 | 15.2 | 13.9 | 13.1 | 12.7 | 12.9 | 13.3 | 14.5 | 15.6 |
| Max °C | 26 | 26.8 | 26.4 | 24.7 | 21.9 | 19.6 | 18.7 | 18.5 | 18.8 | 20.2 | 22 | 24.4 |
| Min °F | 64.9 | 65.9 | 65.1 | 62.2 | 59.3 | 56.9 | 55.6 | 54.9 | 55.1 | 55.9 | 58 | 60.1 |
| Max °F | 71.8 | 73 | 72.3 | 69.3 | 65.3 | 62.1 | 60.6 | 60.1 | 60.4 | 62.1 | 64.8 | 68 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 22.1 | 22.8 | 22.1 | 20.4 | 19.3 | 18.4 | 17.6 | 16.9 | 16.8 | 17.3 | 18.5 | 20.3 |
| °F | 71.8 | 73 | 71.7 | 68.7 | 66.7 | 65.2 | 63.8 | 62.5 | 62.3 | 63.1 | 65.3 | 68.5 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 12 | 11 | 11 | 11 | 11 | 9 | 10 | 12 | 12 | 12 | 13 | 13 |
| mph | 8 | 7 | 7 | 7 | 7 | 6 | 7 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 82% | 81% | 82% | 83% | 85% | 86% | 87% | 88% | 88% | 85% | 83% | 83% |
Other monthly averages
San Isidro weather stats
| Hottest month: | February | 26.6°C 79.9°F |
|---|---|---|
| Driest month: | February | 1mm 0ins |
| Sunniest month: | April | 7.4hrs |
| Coldest month: | August | 18.4°C 65.1°F |
| Wettest month: | August | 3mm 0.1ins |
| Warmest sea: | February | 22.8°C 73°F |
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