Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
May verdict
Excellent for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 11h per day, so bright days are a strong part of the month. Rainfall averages 3mm, which is relatively low for holiday planning.

Monthly averages
Temp
30°C
Rain
3mm
Sun
11h
Weather score
91
Excellent
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 3mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Map
Compare Barstow, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
May30°C average high
May is close to Barstow's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
May3mm average rain
May is close to Barstow's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
May11 hours average sun
May is brighter than Barstow's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
May91 weather score
May is one of Barstow's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to June and August to October
These months have the strongest weather score in the monthly averages.