Click on a day for an hourly weather forecast
The temperatures in Barstow in May are comfortable with low of 14°C and and high up to 27°C.
There is little to no rain in Barstow during May, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Barstow in May 2025.
If you’re planning to visit Barstow in the near future, we highly recommend that you review the 14 day weather forecast for Barstow before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 5° | 2 | 29 | 0 | 15 mm | Ok | Barstow in January |
| February | 15° / 6° | 1 | 27 | 0 | 13 mm | Good | Barstow in February |
| March | 19° / 8° | 1 | 30 | 0 | 7 mm | Good | Barstow in March |
| April | 23° / 11° | 1 | 29 | 0 | 7 mm | Perfect | Barstow in April |
| May | 27° / 14° | 0 | 31 | 0 | 2 mm | Perfect | Barstow in May |
| June | 33° / 19° | 0 | 30 | 0 | 1 mm | Good | Barstow in June |
| July | 36° / 23° | 2 | 29 | 0 | 5 mm | Ok | Barstow in July |
| August | 36° / 23° | 1 | 30 | 0 | 5 mm | Ok | Barstow in August |
| September | 32° / 20° | 1 | 29 | 0 | 2 mm | Good | Barstow in September |
| October | 25° / 13° | 1 | 30 | 0 | 6 mm | Perfect | Barstow in October |
| November | 18° / 7° | 1 | 29 | 0 | 7 mm | Good | Barstow in November |
| December | 12° / 4° | 2 | 29 | 0 | 23 mm | Ok | Barstow in December |