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 | 17.7 | 18.5 | 18.6 | 20.4 | 22.5 | 25.2 | 28.1 | 28.7 | 27.3 | 24.6 | 20.7 | 18 |
°F | 63.9 | 65.3 | 65.5 | 68.8 | 72.5 | 77.3 | 82.6 | 83.7 | 81.1 | 76.2 | 69.3 | 64.4 |
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 | 73 | 63 | 64 | 29 | 10 | 2 | 1 | 4 | 8 | 9 | 45 | 53 |
inches | 2.9 | 2.5 | 2.5 | 1.2 | 0.4 | 0.1 | 0.1 | 0.1 | 0.3 | 0.3 | 1.8 | 2.1 |
Rainy days | 6 | 5 | 6 | 4 | 2 | 1 | 1 | 1 | 1 | 2 | 4 | 5 |
Average annual rainfall in San Marcos: 277.1mm (109.1 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 | 8.4 | 8.8 | 9.3 | 10.3 | 9.4 | 9.7 | 11.3 | 10.9 | 9.6 | 8.9 | 8.4 | 8.2 |
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 | 6 | 7 | 8 | 9.7 | 12.7 | 15 | 17.4 | 18.2 | 16.3 | 13 | 8.8 | 5.9 |
Max °C | 18 | 18.8 | 18.9 | 20.7 | 22.8 | 25.4 | 28.4 | 29 | 27.6 | 24.9 | 21 | 18.3 |
Min °F | 42.8 | 44.6 | 46.3 | 49.5 | 54.8 | 59 | 63.3 | 64.8 | 61.3 | 55.3 | 47.8 | 42.6 |
Max °F | 53.6 | 55.2 | 56.1 | 59.4 | 63.9 | 68.4 | 73.2 | 74.5 | 71.4 | 66 | 58.8 | 53.8 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 14.9 | 14.9 | 15.1 | 15.6 | 16.6 | 18 | 19.8 | 20.5 | 20.4 | 19.3 | 17.5 | 15.7 |
°F | 58.8 | 58.8 | 59.3 | 60 | 61.8 | 64.4 | 67.6 | 69 | 68.8 | 66.7 | 63.5 | 60.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 12 | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 12 | 12 | 11 |
mph | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
62% | 64% | 64% | 63% | 66% | 68% | 69% | 69% | 69% | 66% | 64% | 63% |
Hottest month: | August | 28.7°C 83.7°F |
---|---|---|
Driest month: | July | 1mm 0ins |
Sunniest month: | August | 10.9hrs |
Coldest month: | January | 17.7°C 63.9°F |
Wettest month: | January | 73mm 2.9ins |
Warmest sea: | August | 20.5°C 68.9°F |