Weather in San Bernardino in May

The weather in San Bernardino in May varies radically. Daytime is relatively hot since temperatures get higher than 28 degrees, while the nights are much colder and there are no more than 12 degrees. Therefore, it is recommended to pack for both warm and chilly conditions
Avg Temp
12° - 28°
Avg Rainy Days
4
Avg Dry Days
27
Avg Snow Days
0
Full weather report for today ››

Weather forecast for the next 14 days ››

Weather Facts - San Bernardino in May

* The warmest temperature recorded in in May is 41°C
* The coldest temperature recorded in San Bernardino in May is 4°C
* The average rainfall in San Bernardino in May is 4 mm

Yearly Average for San Bernardino

Max Temp
Min Temp
Rainy Days
Jan.
20°
5°
8
Feb.
20°
6°
10
March
22°
7°
8
April
24°
8°
7
May
28°
12°
4
June
32°
14°
2
July
35°
17°
1
August
35°
17°
1
Sep.
33°
15°
2
Oct.
28°
11°
5
Nov.
23°
7°
4
Dec.
19°
4°
7

Average Temperature in San Bernardino