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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Grapevine, CA
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May
Average Temperature
High
25°
Feels 25
Low
12°
Feels 11
Average Precipitation
1 Days
Rain amount
1.2mm
Snow amount
0.1cm
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
31°
3
25°
4
18°
5
15°
6
23°
7
28°
8
30°
9
28°
10
32°
11
35°
12
36°
13
35°
14
30°
15
27°
16
29°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Saturday, May 2, 2026
Day
31°
Feels 31
Wind
23 km/h SE
Gust
35 km/h
Humidity
14%
P.O.P
20%
Night
13°
Feels 12
Wind
21 km/h S
Gust
31 km/h
Humidity
55%
P.O.P
0%
Historical Averages
May 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.