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 | 14.9 | 17.4 | 21.8 | 26.3 | 29.1 | 32.4 | 34.7 | 35 | 31.8 | 27.2 | 21.7 | 16.9 |
°F | 58.9 | 63.4 | 71.3 | 79.3 | 84.4 | 90.4 | 94.4 | 95 | 89.2 | 81 | 71 | 62.4 |
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 | 48 | 62 | 48 | 73 | 119 | 98 | 42 | 56 | 100 | 89 | 65 | 54 |
inches | 1.9 | 2.4 | 1.9 | 2.9 | 4.7 | 3.8 | 1.7 | 2.2 | 3.9 | 3.5 | 2.6 | 2.1 |
Rainy days | 8 | 7 | 7 | 7 | 9 | 7 | 5 | 6 | 8 | 7 | 7 | 7 |
Average annual rainfall in San Marcos: 785.5mm (309.3 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 | 5.6 | 6.4 | 7.2 | 7.4 | 7.7 | 10 | 10.8 | 10.2 | 8.3 | 7.5 | 6.1 | 5.3 |
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 | 2.6 | 4.7 | 9.1 | 14.2 | 18 | 21.1 | 22.5 | 22.1 | 19.6 | 13.9 | 8.8 | 4.2 |
Max °C | 15.3 | 17.8 | 22.2 | 26.6 | 29.4 | 32.7 | 35 | 35.3 | 32.1 | 27.6 | 22 | 17.2 |
Min °F | 36.6 | 40.4 | 48.3 | 57.6 | 64.4 | 70 | 72.4 | 71.8 | 67.2 | 56.9 | 47.8 | 39.6 |
Max °F | 48 | 52.2 | 60.1 | 68.7 | 74.7 | 80.4 | 83.7 | 83.7 | 78.4 | 69.3 | 59.7 | 51.3 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 18.2 | 17.6 | 18.5 | 20.9 | 24.2 | 27.4 | 28.8 | 29.3 | 28.7 | 26.1 | 22.8 | 20 |
°F | 64.8 | 63.6 | 65.3 | 69.6 | 75.6 | 81.4 | 83.9 | 84.8 | 83.6 | 79 | 73 | 68.1 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 16 | 17 | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 14 | 16 | 16 |
mph | 10 | 11 | 12 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 10 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
68% | 66% | 64% | 67% | 71% | 70% | 66% | 65% | 69% | 68% | 69% | 69% |
Hottest month: | July | 34.7°C 94.5°F |
---|---|---|
Driest month: | July | 42mm 1.7ins |
Sunniest month: | July | 10.8hrs |
Coldest month: | January | 14.9°C 58.8°F |
Wettest month: | May | 119mm 4.7ins |
Warmest sea: | August | 29.3°C 84.7°F |