Weather in Hayward: December
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Average day temperature: | 25.9°F |
Average night temperature: | 20.8°F | |
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Number of sunny days: | 4 days |
Day length: | 8.6 - 8.9 hours | |
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Number of rainy days: | 1 day |
Precipitation totals: | 0.6 in. | |
more information |
14 days
forecast
forecast
Hayward |
weather in
January
January
Hayward |
Air temperature in December, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
-13
-5
3
11
19
27
35
43
51
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 38°F. At the same time the lowest night temperature was -4°F. Daily and nightly averages during December were 24.3°F and 20.7°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
13%
25%
63%
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.5
0.8
1.1
1.3
1.6
1.9
1.2
1.6
1.5
1.1
1.4
1.2
1.6
1.5
1.1
1.4
Precipitation total value in Hayward in December is 0.6 in. Other months of the year show relatively similar values.
Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.9
4.3
5.7
7.2
8.6
10.0
7.7
7.4
6.9
6.5
5.9
7.1
7.3
8.4
7.8
7.2
6.8
7.0
7.7
7.4
6.9
6.5
5.9
7.1
7.3
8.4
7.8
7.2
6.8
The average wind speed value in December is 7.0 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.1
7.6
9.1
10.6
12.1
3.6
5.7
8.0
8.7
8.8
8.4
7.1
4.2
4.5
3.4
2.6
2.4
3.6
5.7
8.0
8.7
8.8
8.4
7.1
4.2
4.5
3.4
2.6
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 2.4.
Best time for vacation in Hayward
Hayward on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Hayward
Local time: 14:08
April 14, monday
1500

43°F
E
14 mph
14 mph
1800

41°F
SE
12 mph
12 mph
2100

39°F
SE
11 mph
11 mph
April 15, tuesday
0000

36°F
SE
13 mph
13 mph
0300

34°F
SE
14 mph
14 mph
0600

32°F
SE
12 mph
12 mph
0900

34°F
SE
12 mph
12 mph
1200

37°F
SE
14 mph
14 mph