Weather in Riverside: December
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Average day temperature: | 62.3°F |
Average night temperature: | 47.6°F | |
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Number of sunny days: | 19 days |
Day length: | 9.9 - 10.1 hours | |
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Number of rainy days: | 1 day |
Precipitation totals: | 0.9 in. | |
more information |
14 days
forecast
forecast
Riverside |
weather in
January
January
Riverside |
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
0
13
26
39
52
65
78
91
104
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 78°F. At the same time the lowest night temperature was 42°F. Daily and nightly averages during December were 69.3°F and 49.6°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
61%
19%
19%
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.3
0.5
0.7
0.8
1.0
1.2
1.3
Precipitation total value in Riverside in December is 0.9 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
0.8
1.7
2.5
3.4
4.2
5.0
5.9
3.8
3.8
4.0
4.3
4.5
4.7
4.9
4.6
4.6
4.0
3.9
3.3
3.8
3.8
4.0
4.3
4.5
4.7
4.9
4.6
4.6
4.0
3.9
The average wind speed value in December is 3.3 mph It makes December lest windy month of the year.
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.3
4.5
6.8
9.1
11.4
13.6
15.9
8.4
9.9
11.3
12.3
13.2
13.3
12.1
10.8
7.7
7.6
7.4
6.7
8.4
9.9
11.3
12.3
13.2
13.3
12.1
10.8
7.7
7.6
7.4
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: 6.7.
Best time for vacation in Riverside
Riverside on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Riverside
Local time: 09:39
April 05, saturday
1200

72°F
S
16 mph
16 mph
1500

77°F
S
15 mph
15 mph
1800

73°F
S
13 mph
13 mph
2100

61°F
S
4 mph
4 mph
April 06, sunday
0000

52°F
SW
3 mph
3 mph
0300

48°F
SW
4 mph
4 mph
0600

50°F
SW
4 mph
4 mph
0900

63°F
N
1 mph
1 mph