Historical Weather Records & Monthly Climate for San Marcos, CA
All-Time High
104°F
All-Time Low
32°F
Max Daily Snow
1"
Max Daily Rain
3.23"
Max Snow Depth
0
Monthly Climate Averages for San Marcos, CA
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 61° | 44° | 2.5" | 0.09" |
| February | 65° | 46° | 2.52" | 0.26" |
| March | 72° | 53° | 3.15" | 0 |
| April | 79° | 60° | 3.71" | 0 |
| May | 85° | 67° | 4.61" | 0 |
| June | 91° | 73° | 3.39" | 0 |
| July | 94° | 75° | 2.06" | 0 |
| August | 95° | 76° | 2.75" | 0 |
| September | 89° | 71° | 3.2" | 0 |
| October | 80° | 62° | 3.76" | 0 |
| November | 70° | 53° | 3.02" | 0.01" |
| December | 63° | 46° | 2.65" | 0.02" |
More Historical Climate Data for Cities in
CA