The bar chart below shows the average monthly peak daytime temperatures at San Marcos
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 30.4 | 30.8 | 31.9 | 31.7 | 30.4 | 28.6 | 29.6 | 29.2 | 27.9 | 28.3 | 28.6 | 29.5 |
°F | 86.8 | 87.4 | 89.4 | 89.1 | 86.7 | 83.5 | 85.3 | 84.5 | 82.3 | 83 | 83.5 | 85 |
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 | 8 | 4 | 17 | 51 | 164 | 312 | 335 | 327 | 359 | 231 | 42 | 11 |
inches | 0.3 | 0.1 | 0.7 | 2 | 6.5 | 12.3 | 13.2 | 12.9 | 14.1 | 9.1 | 1.6 | 0.4 |
Rainy days | 4 | 3 | 4 | 8 | 18 | 27 | 26 | 27 | 29 | 23 | 7 | 4 |
Average annual rainfall in San Marcos: 1784.833mm (702.7 inches)
The bar chart below shows the average daily sunshine hours in San Marcos
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 9.2 | 9.5 | 9.4 | 8.9 | 8 | 7 | 7.7 | 7.2 | 6.2 | 6.7 | 8.1 | 8.9 |
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 | 15.3 | 16.4 | 17.8 | 18.6 | 18 | 17.7 | 17.6 | 17.6 | 17.4 | 16.1 | 15.2 |
Max °C | 30.8 | 31.2 | 32.3 | 32.1 | 30.7 | 28.9 | 29.9 | 29.5 | 28.2 | 28.6 | 28.9 | 29.8 |
Min °F | 59 | 59.5 | 61.4 | 64 | 65.4 | 64.3 | 63.9 | 63.6 | 63.7 | 63.3 | 61 | 59.4 |
Max °F | 73.2 | 73.8 | 75.7 | 76.8 | 76.3 | 74.1 | 74.8 | 74.3 | 73.2 | 73.4 | 72.5 | 72.5 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 28.1 | 28.2 | 28.8 | 29.6 | 29.8 | 29.6 | 29.6 | 29.8 | 29.5 | 29.3 | 29.2 | 28.7 |
°F | 82.6 | 82.8 | 83.8 | 85.3 | 85.6 | 85.3 | 85.2 | 85.6 | 85 | 84.7 | 84.5 | 83.7 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 11 | 11 | 10 | 9 | 8 | 7 | 8 | 8 | 7 | 8 | 10 | 11 |
mph | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
66% | 65% | 67% | 71% | 78% | 83% | 82% | 83% | 85% | 83% | 75% | 69% |
Hottest month: | April | 31.7°C 89.1°F |
---|---|---|
Driest month: | February | 4mm 0.2ins |
Sunniest month: | February | 9.5hrs |
Coldest month: | November | 28.6°C 83.5°F |
Wettest month: | September | 359mm 14.1ins |
Warmest sea: | May | 29.8°C 85.6°F |