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Weather & Climate
Barstow, California, United States
Overview
Climate data and monthly weather averages for Barstow.
Key Metrics
Annual Avg
17.9°C
Summer Avg
28.8°C
Winter Avg
7.9°C
Record High
45.4°C
Record Low
-5.3°C
Annual Precipitation
139.3 mm
Avg Humidity
37%
Summer Humidity
23%
Winter Humidity
51%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 24.8° | 7.6° | -5.3° | 21.7 | 51% | 101 | 59.7 |
| Feb | 28.3° | 9° | -5.1° | 23 | 51% | 118 | 55.8 |
| Mar | 32.4° | 12.6° | -3.5° | 12.7 | 47% | 175 | 63.2 |
| Apr | 36.8° | 15.7° | -1° | 9 | 41% | 207 | 51.2 |
| May | 42° | 20.7° | 3.1° | 2.5 | 34% | 241 | 51.9 |
| Jun | 45.1° | 26.5° | 6.6° | 0.3 | 24% | 252 | 56.2 |
| Jul | 45.4° | 30.4° | 13.3° | 8.7 | 23% | 244 | 41 |
| Aug | 44.7° | 29.4° | 12.1° | 9.3 | 23% | 229 | 38.6 |
| Sep | 44° | 25.6° | 7.7° | 5.4 | 27% | 189 | 48 |
| Oct | 36.9° | 18.7° | 0.9° | 9.3 | 33% | 152 | 48 |
| Nov | 29.7° | 12.2° | -4.5° | 12.9 | 41% | 110 | 54.8 |
| Dec | 24.6° | 7° | -4.9° | 24.5 | 51% | 91 | 52.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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