Average data for 10 years
1 May
Wednesday
+24°
+21°
2 May
Thursday
+27°
+21°
3 May
Friday
+27°
+21°
4 May
Saturday
+25°
+17°
5 May
Sunday
+23°
+15°
6 May
Monday
+22°
+16°
7 May
Tuesday
+22°
+17°
8 May
Wednesday
+23°
+17°
9 May
Thursday
+25°
+18°
10 May
Friday
+26°
+21°
11 May
Saturday
+27°
+21°
12 May
Sunday
+27°
+21°
13 May
Monday
+26°
+19°
14 May
Tuesday
+26°
+20°
15 May
Wednesday
+26°
+20°
16 May
Thursday
+25°
+19°
17 May
Friday
+25°
+19°
18 May
Saturday
+27°
+21°
19 May
Sunday
+28°
+22°
20 May
Monday
+27°
+20°
21 May
Tuesday
+25°
+18°
22 May
Wednesday
+24°
+17°
23 May
Thursday
+25°
+17°
24 May
Friday
+25°
+17°
25 May
Saturday
+24°
+17°
26 May
Sunday
+26°
+19°
27 May
Monday
+27°
+20°
28 May
Tuesday
+27°
+20°
29 May
Wednesday
+29°
+22°
30 May
Thursday
+28°
+23°
31 May
Friday
+30°
+23°
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May in Barstow is the sunniest month of the year. In May, the weather in Barstow is typically warm. Average daily high temperature in May is about 26 degrees above zero. On average, Barstow has 31 sunny days in May. May as well as April and October is considered the most comfortable time to visit Barstow.