Common information
- Country
- United States
- Population
- 83 781
Weather, climate, temperature by months in San Marcos
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 21 | 18 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 19 | 20 | 21 |
| Average high, °C | 18 | 16 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 17 | 17 | 18 | 15 |
| Average temperature, °C | 14 | 13 | 11 | 9 | 9 | 9 | 10 | 10 | 12 | 14 | 15 | 15 | 12 |
| Average low, °C | 11 | 9 | 7 | 5 | 5 | 5 | 6 | 7 | 9 | 10 | 12 | 12 | 8 |
| Record low, °C | 9 | 7 | 2 | 1 | 3 | 2 | 3 | 5 | 7 | 9 | 11 | 11 | 1 |
| Average precipitation, mm. | 22 | 60 | 147 | 161 | 152 | 140 | 141 | 74 | 41 | 16 | 4 | 10 | 968 |
| Day Length, часов | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 14 | 14 | 15 | 15 | 14 | 13 |
| Growing degree-day, °C | 123 | 78 | 17 | 0 | 0 | 0 | 0 | 12 | 62 | 105 | 140 | 150 | 686 |
| Solar radiation, global, Mj/m2 | 20 | 16 | 13 | 10 | 11 | 14 | 19 | 23 | 25 | 26 | 26 | 24 | 19 |