Barstow, CA Weather & Climate Normals
Barstow's real weather, in one number
Barstow, CA scores 43/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Barstow's hottest and coldest months
Barstow's hottest month is Jul, averaging 87°F; its coldest is Dec, averaging 46°F, a 40.7°F swing across the year, a middling gap by national standards.
Barstow's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 59°F | 35°F | 0.76in | 0in |
| Feb | 63°F | 39°F | 0.98in | 0in |
| Mar | 70°F | 44°F | 0.59in | 0in |
| Apr | 77°F | 49°F | 0.3in | 0in |
| May | 86°F | 57°F | 0.06in | 0in |
| Jun | 96°F | 65°F | 0.04in | 0in |
| Jul | 102°F | 72°F | 0.26in | 0in |
| Aug | 101°F | 70°F | 0.17in | 0in |
| Sep | 93°F | 63°F | 0.25in | 0in |
| Oct | 81°F | 53°F | 0.35in | 0in |
| Nov | 68°F | 42°F | 0.4in | 0in |
| Dec | 57°F | 35°F | 0.8in | 0.3in |
Mar, Apr, May, and Oct are the best time to see Barstow at its mildest; the rest of the year, plan around Jul's heat and Dec's cold.
Rain and snow in Barstow
Barstow averages 4.96in of precipitation a year across roughly 22 days with measurable rain or snow, and 0.3in of snow a year.
Where Barstow ranks
Barstow ranks 3997 of 4876 US cities in this dataset for comfort score, and 421 of 429 within CA. About 24,897 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Barstow, CA US, 2.1 miles from Barstow, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure