Cold steppe climate
Climate San Jacinto - California
Annual high80ºF
Annual low48ºF
Precipitation12.51 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 67 | 37 | 2.69 |
| Feb | 67 | 39 | 2.69 |
| Mar | 71 | 42 | 1.92 |
| Apr | 76 | 46 | 0.80 |
| May | 83 | 51 | 0.40 |
| Jun | 91 | 56 | 0.09 |
| Jul | 97 | 61 | 0.18 |
| Aug | 98 | 62 | 0.17 |
| Sep | 93 | 58 | 0.32 |
| Oct | 83 | 50 | 0.61 |
| Nov | 73 | 42 | 0.90 |
| Dec | 66 | 36 | 1.74 |
- JanHigh 67ºFLow 37ºFPrecip 2.69 inch
- FebHigh 67ºFLow 39ºFPrecip 2.69 inch
- MarHigh 71ºFLow 42ºFPrecip 1.92 inch
- AprHigh 76ºFLow 46ºFPrecip 0.80 inch
- MayHigh 83ºFLow 51ºFPrecip 0.40 inch
- JunHigh 91ºFLow 56ºFPrecip 0.09 inch
- JulHigh 97ºFLow 61ºFPrecip 0.18 inch
- AugHigh 98ºFLow 62ºFPrecip 0.17 inch
- SepHigh 93ºFLow 58ºFPrecip 0.32 inch
- OctHigh 83ºFLow 50ºFPrecip 0.61 inch
- NovHigh 73ºFLow 42ºFPrecip 0.90 inch
- DecHigh 66ºFLow 36ºFPrecip 1.74 inch
Climate summary
What is the average weather in San Jacinto, California?
San Jacinto experiences a cold semi-arid climate, defined by its very hot summers and cool winters, creating a strong seasonal contrast. The area is generally dry, with low annual precipitation. While summers are the driest season, there is a small increase in precipitation during late summer, with winter being the wettest season.
San Jacinto weather averages
Annual high80ºF
Annual low48ºF
Precipitation12.51 inch
Daily normals San Jacinto - California - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 65.1 | 39.2 | 0.08 | 0.08 |
| Jan 2 | 65.2 | 39.3 | 0.17 | 0.17 |
| Jan 3 | 65.3 | 39.4 | 0.27 | 0.27 |
| Jan 4 | 65.4 | 39.4 | 0.36 | 0.36 |
| Jan 5 | 65.5 | 39.5 | 0.44 | 0.44 |
| Jan 6 | 65.6 | 39.6 | 0.53 | 0.53 |
| Jan 7 | 65.7 | 39.7 | 0.62 | 0.62 |
| Jan 8 | 65.8 | 39.8 | 0.71 | 0.71 |
| Jan 9 | 65.8 | 39.8 | 0.80 | 0.80 |
| Jan 10 | 65.9 | 39.9 | 0.89 | 0.89 |
| Jan 11 | 65.9 | 40.0 | 0.98 | 0.98 |
| Jan 12 | 66.0 | 40.0 | 1.07 | 1.07 |
| Jan 13 | 66.0 | 40.1 | 1.16 | 1.16 |
| Jan 14 | 66.0 | 40.1 | 1.25 | 1.25 |
| Jan 15 | 66.1 | 40.2 | 1.34 | 1.34 |
| Jan 16 | 66.1 | 40.2 | 1.43 | 1.43 |
| Jan 17 | 66.1 | 40.3 | 1.52 | 1.52 |
| Jan 18 | 66.1 | 40.3 | 1.61 | 1.61 |
| Jan 19 | 66.1 | 40.3 | 1.70 | 1.70 |
| Jan 20 | 66.1 | 40.4 | 1.79 | 1.79 |
| Jan 21 | 66.0 | 40.4 | 1.87 | 1.87 |
| Jan 22 | 66.0 | 40.4 | 1.95 | 1.95 |
| Jan 23 | 66.0 | 40.4 | 2.03 | 2.03 |
| Jan 24 | 65.9 | 40.5 | 2.11 | 2.11 |
| Jan 25 | 65.9 | 40.5 | 2.19 | 2.19 |
| Jan 26 | 65.8 | 40.5 | 2.27 | 2.27 |
| Jan 27 | 65.8 | 40.5 | 2.35 | 2.35 |
| Jan 28 | 65.7 | 40.6 | 2.42 | 2.42 |
| Jan 29 | 65.7 | 40.6 | 2.50 | 2.50 |
| Jan 30 | 65.6 | 40.6 | 2.58 | 2.58 |
| Jan 31 | 65.6 | 40.6 | 2.66 | 2.66 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history San Jacinto - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 91.9 | 60.1 | 0.00 |
| Sep 2 | 89.1 | 57.0 | 0.00 |
| Sep 3 | 88.0 | 55.9 | 0.00 |
| Sep 4 | 89.1 | 57.9 | 0.00 |
| Sep 5 | 93.0 | 59.0 | 0.00 |
| Sep 6 | 79.0 | 66.0 | 0.20 |
| Sep 7 | 87.1 | 71.1 | 0.03 |
| Sep 8 | 99.0 | 71.1 | 0.00 |
| Sep 9 | 106.0 | 75.0 | 0.00 |
| Sep 10 | 104.0 | 77.0 | 0.00 |
| Sep 11 | 97.0 | 72.0 | 0.00 |
| Sep 12 | 95.0 | 69.1 | 0.00 |
| Sep 13 | 93.0 | 63.0 | 0.00 |
| Sep 14 | 91.0 | 61.0 | 0.00 |
| Sep 15 | 84.0 | 60.1 | 0.00 |
| Sep 16 | 82.0 | 61.0 | 0.00 |
| Sep 17 | 84.9 | 62.1 | 0.00 |
| Sep 18 | 84.9 | 57.0 | 0.00 |
| Sep 19 | 89.1 | 55.9 | 0.00 |
| Sep 20 | 87.1 | 57.0 | 0.00 |
| Sep 21 | 80.1 | 63.0 | 0.00 |
| Sep 22 | 88.0 | 63.0 | 0.00 |
| Sep 23 | 98.1 | 60.1 | 0.00 |
| Sep 24 | 95.0 | 63.0 | 0.00 |
| Sep 25 | 98.1 | 60.1 | 0.03 |
| Sep 26 | 96.1 | 63.0 | 0.00 |
| Sep 27 | 89.1 | 70.0 | 0.00 |
| Sep 28 | 82.9 | 69.1 | 0.00 |
| Sep 29 | 89.1 | 55.0 | 0.00 |
| Sep 30 | 91.9 | 57.9 | 0.00 |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature106.0ºF · Sep 9
- Lowest max temperature79.0ºF · Sep 6
- Highest min temperature77.0ºF · Sep 10
- Lowest min temperature55.0ºF · Sep 29
Geo San Jacinto - California
Location
- Country
- United States
- State
- California
- County
- –
- City
- San Jacinto
- Zip Code
- 92583
- Elevation
- 1581 ft
- Longitude
- -116.95
- Latitude
- 33.78
- ICAO
- –
- IATA
- –