San Bernardino Weather in May
San Bernardino in May sees high daytime temperatures of 27°C (81°F) and nighttime lows of 12°C (54°F). With just 6.3 mm (0.2 in) of rainfall expected, it's a dry month overall.
Rainfall in San Bernardino in May
Past climate data indicates that roughly 2 days will see rain, totalling around 6.3 mm (0.2 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in San Bernardino in May
If you're visiting San Bernardino in May, expect excellent temperatures with highs of 27°C (81°F) and overnight lows of 12°C (54°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in San Bernardino in May
With approximately 311 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Bernardino's climate page.
San Bernardino Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
27°C (81°F)
Chance of Rain
7%
Precipitation
6.3 mm (0.2 in)
Rainy days
2 days
Sunshine
311 hours *
Percentage Sunshine
*
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
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What to Wear in San Bernardino in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Bernardino in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Bernardino's climate page.
See the full San Bernardino climate overview or explore weather in the United States of America.
