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Sierra Nevada weather in December

Weather in Sierra Nevada: December

Average day temperature: 49.9°F
Average night temperature: 38.6°F
Sea water temperature: 61.2°F
Number of sunny days: 21 days
Day length: 9.6 - 9.8 hours
Number of rainy days: 2 days
Precipitation totals: 1.6 in.

Air temperature in December, °F

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2024
2023
2022
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Day temperature   
Night temperature

The highest day temperature during December of 2024 was 61°F. At the same time the lowest night temperature was 29°F. Day and night temperature averages during December were 48.8°F and 39.0°F.

Sea water temperature in Sierra Nevada in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
53
56
59
62
65
68
71

The average sea water temperature in December of 2024 was 62.9°F. The highest and lowest sea temperatures during the month were 64.9°F and 61.2°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
65%
23%
13%

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
0.8
1.5
2.3
3.1
3.8
4.6
5.4
3.1
2.0
3.2
3.4
1.6
2.9
4.4
4.5
1.7
2.0
1.9
3.1
2.0
3.2
3.4
1.6
2.9
4.4
4.5
1.7
2.0

Precipitation total value in Sierra Nevada in December is 1.9 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
0.9
1.8
2.8
3.7
4.6
5.5
6.4
4.4
3.6
3.7
3.9
4.4
4.1
4.2
4.6
5.4
4.7
4.5
4.1
4.4
3.6
3.7
3.9
4.4
4.1
4.2
4.6
5.4
4.7
4.5

The average wind speed value in December is 4.1 mph It makes December one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.3
4.6
6.9
9.2
11.5
13.9
16.2
18.5
8.2
8.5
9.9
11.9
13.5
12.1
10.8
9.4
7.7
8.1
7.6
7.7
8.2
8.5
9.9
11.9
13.5
12.1
10.8
9.4
7.7
8.1
7.6

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: 7.7.

Best time for vacation in Sierra Nevada

Sunniest months:
July 29 days
August 27 days
June 25 days
Warmest months:
July 83.2 °F
August 82.5 °F
June 72.9 °F
Warmest sea temp:
August 76.9 °F
September 74.1 °F
July 74.0 °F
Coldest months:
January 47.1 °F
February 48.1 °F
December 49.9 °F
Rainiest months:
April 6 days
March 5 days
September 5 days
Windiest months:
March 5.6 mph
February 5.4 mph
April 5.0 mph

Sierra Nevada on a weather map

Leaflet | Tiles © Esri
Places in Spain:
Name
°F
+59°F
+54°F
+57°F
+68°F
+59°F
+66°F
+48°F
+72°F
+57°F
+63°F
+59°F
+61°F
+70°F
24 Hours Forecast
Sierra Nevada
Local time: 16:56
February 15, saturday
1800
54°F
NE
1 mph
2100
46°F
N
1 mph
February 16, sunday
0000
46°F
N
1 mph
0300
46°F
S
1 mph
0600
45°F
SW
1 mph
0900
46°F
SE
2 mph
1200
54°F
NW
1 mph
1500
55°F
W
1 mph
Units of measurement: °C / °F