Average data for 10 years
1 May
Wednesday
+20°
+16°
2 May
Thursday
+22°
+16°
3 May
Friday
+22°
+15°
4 May
Saturday
+18°
+11°
5 May
Sunday
+17°
+11°
6 May
Monday
+16°
+11°
7 May
Tuesday
+16°
+12°
8 May
Wednesday
+17°
+12°
9 May
Thursday
+19°
+13°
10 May
Friday
+21°
+15°
11 May
Saturday
+22°
+16°
12 May
Sunday
+21°
+16°
13 May
Monday
+21°
+15°
14 May
Tuesday
+20°
+14°
15 May
Wednesday
+20°
+15°
16 May
Thursday
+19°
+14°
17 May
today
+20°
+13°
18 May
tomorrow
+21°
+15°
19 May
Sunday
+23°
+16°
20 May
Monday
+21°
+14°
21 May
Tuesday
+18°
+12°
22 May
Wednesday
+18°
+12°
23 May
Thursday
+18°
+11°
24 May
Friday
+18°
+11°
25 May
Saturday
+18°
+11°
26 May
Sunday
+20°
+13°
27 May
Monday
+21°
+14°
28 May
Tuesday
+22°
+15°
29 May
Wednesday
+23°
+16°
30 May
Thursday
+23°
+16°
31 May
Friday
+24°
+16°
Cities with similar weather in May
Spain
Barcelona
Portugal
Lisbon
Spain
Madrid
Kyrgyzstan
Bishkek
Italy
Florence
In May, the weather in San Bernardino is typically warm. Average daily high temperature in May is about 20 degrees above zero. On average, San Bernardino has 27 sunny, 3 partly cloudy, and 1 rainy day in May. The rains are usually light. May as well as June, September, and October is considered the most comfortable time to visit San Bernardino.