Hot desert climate
Climate Barstow - California
Annual high79ºF
Annual low51ºF
Precipitation5.3 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 59 | 35 | 0.84 |
| Feb | 63 | 39 | 0.96 |
| Mar | 69 | 43 | 0.68 |
| Apr | 76 | 49 | 0.21 |
| May | 86 | 56 | 0.07 |
| Jun | 95 | 64 | 0.05 |
| Jul | 101 | 70 | 0.30 |
| Aug | 100 | 69 | 0.27 |
| Sep | 92 | 62 | 0.34 |
| Oct | 80 | 52 | 0.32 |
| Nov | 67 | 42 | 0.48 |
| Dec | 58 | 34 | 0.78 |
- JanHigh 59ºFLow 35ºFPrecip 0.84 inch
- FebHigh 63ºFLow 39ºFPrecip 0.96 inch
- MarHigh 69ºFLow 43ºFPrecip 0.68 inch
- AprHigh 76ºFLow 49ºFPrecip 0.21 inch
- MayHigh 86ºFLow 56ºFPrecip 0.07 inch
- JunHigh 95ºFLow 64ºFPrecip 0.05 inch
- JulHigh 101ºFLow 70ºFPrecip 0.30 inch
- AugHigh 100ºFLow 69ºFPrecip 0.27 inch
- SepHigh 92ºFLow 62ºFPrecip 0.34 inch
- OctHigh 80ºFLow 52ºFPrecip 0.32 inch
- NovHigh 67ºFLow 42ºFPrecip 0.48 inch
- DecHigh 58ºFLow 34ºFPrecip 0.78 inch
Climate summary
What is the average weather in Barstow, California?
Barstow experiences a hot desert climate, defined by extremely hot summers and very low annual precipitation. The inland location amplifies very strong seasonal temperature swings, leading to cool winters. Rainfall is scarce year-round, though there is a small increase in late summer, with winter typically being the wettest season.
Barstow weather averages
Annual high79ºF
Annual low51ºF
Precipitation5.3 inch
Daily normals Barstow - California - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 57.0 | 34.2 | 0.03 | 0.03 |
| Jan 2 | 57.1 | 34.3 | 0.07 | 0.07 |
| Jan 3 | 57.2 | 34.3 | 0.10 | 0.10 |
| Jan 4 | 57.4 | 34.4 | 0.13 | 0.13 |
| Jan 5 | 57.5 | 34.4 | 0.16 | 0.16 |
| Jan 6 | 57.7 | 34.4 | 0.19 | 0.19 |
| Jan 7 | 57.8 | 34.5 | 0.22 | 0.22 |
| Jan 8 | 57.9 | 34.6 | 0.25 | 0.25 |
| Jan 9 | 58.1 | 34.6 | 0.27 | 0.27 |
| Jan 10 | 58.2 | 34.7 | 0.30 | 0.30 |
| Jan 11 | 58.4 | 34.8 | 0.33 | 0.33 |
| Jan 12 | 58.5 | 34.8 | 0.35 | 0.35 |
| Jan 13 | 58.7 | 34.9 | 0.38 | 0.38 |
| Jan 14 | 58.8 | 35.0 | 0.40 | 0.40 |
| Jan 15 | 59.0 | 35.1 | 0.43 | 0.43 |
| Jan 16 | 59.1 | 35.2 | 0.45 | 0.45 |
| Jan 17 | 59.2 | 35.2 | 0.48 | 0.48 |
| Jan 18 | 59.4 | 35.3 | 0.50 | 0.50 |
| Jan 19 | 59.5 | 35.4 | 0.52 | 0.52 |
| Jan 20 | 59.6 | 35.5 | 0.55 | 0.55 |
| Jan 21 | 59.7 | 35.6 | 0.57 | 0.57 |
| Jan 22 | 59.8 | 35.7 | 0.59 | 0.59 |
| Jan 23 | 60.0 | 35.9 | 0.61 | 0.61 |
| Jan 24 | 60.1 | 36.0 | 0.63 | 0.63 |
| Jan 25 | 60.2 | 36.1 | 0.65 | 0.65 |
| Jan 26 | 60.3 | 36.2 | 0.66 | 0.66 |
| Jan 27 | 60.4 | 36.3 | 0.68 | 0.68 |
| Jan 28 | 60.5 | 36.5 | 0.70 | 0.70 |
| Jan 29 | 60.6 | 36.6 | 0.72 | 0.72 |
| Jan 30 | 60.7 | 36.8 | 0.74 | 0.74 |
| Jan 31 | 60.8 | 36.9 | 0.76 | 0.76 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Barstow - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 93.0 | 61.0 | 0.00 |
| Oct 2 | 95.0 | 62.1 | 0.00 |
| Oct 3 | 93.9 | 62.1 | 0.00 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | 93.9 | 71.1 | 0.00 |
| Oct 8 | 97.0 | 66.0 | 0.00 |
| Oct 9 | 98.1 | 66.9 | 0.00 |
| Oct 10 | 98.1 | 68.0 | 0.00 |
| Oct 11 | 84.0 | 60.1 | 0.45 |
| Oct 12 | 72.0 | 48.0 | 0.00 |
| Oct 13 | 63.0 | 46.0 | 0.00 |
| Oct 14 | 66.0 | 45.0 | 0.00 |
| Oct 15 | 73.9 | 48.9 | 0.00 |
| Oct 16 | 79.0 | 61.0 | 0.00 |
| Oct 17 | 78.1 | 66.0 | 0.00 |
| Oct 18 | 78.1 | 59.0 | 0.00 |
| Oct 19 | – | – | – |
| Oct 20 | 81.0 | 55.0 | 0.00 |
| Oct 21 | 82.9 | 55.9 | 0.00 |
| Oct 22 | 80.1 | 57.0 | 0.45 |
| Oct 23 | 68.0 | 48.9 | 0.20 |
| Oct 24 | 66.9 | 48.0 | 0.00 |
| Oct 25 | 72.0 | 46.9 | 0.00 |
| Oct 26 | 75.0 | 48.0 | 0.00 |
| Oct 27 | 80.1 | 48.9 | 0.00 |
| Oct 28 | 79.0 | 50.0 | 0.00 |
| Oct 29 | – | – | – |
| Oct 30 | – | – | – |
| Oct 31 | – | – | – |
The data for October 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 temperature98.1ºF · Oct 9
- Lowest max temperature63.0ºF · Oct 13
- Highest min temperature71.1ºF · Oct 7
- Lowest min temperature45.0ºF · Oct 14
Geo Barstow - California
Location
- Country
- United States
- State
- California
- County
- San Bernardino
- City
- Barstow
- Zip Code
- 92311
- Elevation
- 2336 ft
- Longitude
- -117.02
- Latitude
- 34.89
- ICAO
- –
- IATA
- –