Weather in Hayward: December
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Average day temperature: | 24.5°F |
| Average night temperature: | 19.1°F | |
 |
Number of sunny days: | 4 days |
| Day length: | 8.6 - 8.9 hours | |
 |
Number of rainy days: | 1 day |
| Precipitation totals: | 0.5 in. | |
| more information | ||
14 days
forecast
forecast
| Hayward |
weather in
January
January
| Hayward |
Air temperature in December, °F
Show year:
2025
2024
2023
The highest day temperature during December of 2025 was 35°F. At the same time the lowest night temperature was -20°F. Daily and nightly averages during December were 17.5°F and 10.6°F.
Sunny, partly cloudy and cloudy days
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Hayward in December is 0.5 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 7.0 mph
Average sunny hours
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: 2.5.
Best time for vacation in Hayward
Hayward on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hayward
Local time: 09:52
June 29, monday
1200
84°F
N
12 mph
12 mph
1500
90°F
N
14 mph
14 mph
1800
90°F
N
12 mph
12 mph
2100
82°F
N
12 mph
12 mph
June 30, tuesday
0000
81°F
N
12 mph
12 mph
0300
79°F
N
8 mph
8 mph
0600
75°F
N
7 mph
7 mph
0900
81°F
N
9 mph
9 mph
