Shasta-Trinity National Forest in december: average Weather, Temperature and Climate
Weather in Shasta-Trinity National Forest in december 2026
The weather in Shasta-Trinity National Forest in the month of december comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 639.1cm
Weather at 6am
25°F
Clear/Sunny
37% of time
16%
16%
12%
Weather at 12pm
36°F
Clear/Sunny
42% of time
17%
12%
12%
Weather at 6pm
34°F
Clear/Sunny
39% of time
16%
13%
13%
Weather at 3am
25°F
36%
18%
14%
14%
Evolution of daily average temperature and precipitation in Shasta-Trinity National Forest in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Shasta-Trinity National Forest in december.
The climate of Shasta-Trinity National Forest in december is very bad
The weather in december in Shasta-Trinity National Forest is wet (with 8.6in of rainfall over 9 days). The weather's not getting better compared to the previous month since in november there is an average of 5.7in of rainfall over 6 days.
The climate is quite cold in that area december. Plan a sweater! The high seasonal norm is 40°F. On average, the recorded minimum temperature is 25°F. Thus, the mean temperature average on this month of december in Shasta-Trinity National Forest is 32°F. These temperatures are far removed from those records observed in Shasta-Trinity National Forest in december with a maximum record of 74°F in 2021 and a minimum record of -2°F in 2013. You can expect to have about 27 days with temperatures down below 32°F, or 87% of the month.
On average, in Shasta-Trinity National Forest, the days of december last 09:13. Sunrise is at 07:28 and sunset is at 16:41.
December: another location in California?
If you want to go to California in december, there are destinations with better weather than Shasta-Trinity National Forest:
In december, Los Angeles , San Diego, Channel Islands National Park, Encinitas, Hollywood and Joshua Tree National Park have good weather.
Finally, San Francisco, Palm Springs, Angeles National Forest, Anza-Borrego Desert State Park, Big Sur and Cambria have a tolerable climate, but better than Shasta-Trinity National Forest.
Seasonal average climate and temperature of Shasta-Trinity National Forest in december
Check below seasonal norms These datas are set from the weather statements of the past years of the month of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 32°F | ||||
| Highest temperature | 40°F | ||||
| Lowest temperature | 25°F | ||||
| Highest record temperature | 74°F (2021) | ||||
| Lowest record temperature | -2°F (2013) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 27 day(s) (87%) | ||||
| Wind | |||||
| Wind speed | 11km/h | ||||
| Wind temperature | 20°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 8.6in | ||||
| Number of days with rainfall | 9 day(s) (28%) | ||||
| Record daily rainfall | 5.8in (2019) | ||||
| Snowfall | 639.1cm | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 7.88km | ||||
| Cloud cover | 43% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 7 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:28 | ||||
| Time of sunset | 16:41 | ||||
| Length of day | 09:13 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Shasta-Trinity National Forest in december 2025:
36°F to 56°F
38°F to 52°F
32°F to 49°F
38°F to 56°F
38°F to 50°F
38°F to 52°F
32°F to 52°F
31°F to 52°F
38°F to 59°F
41°F to 61°F
41°F to 61°F
43°F to 61°F
47°F to 59°F
38°F to 50°F
40°F to 56°F
45°F to 52°F
45°F to 47°F
31°F to 40°F
41°F to 45°F
38°F to 43°F
40°F to 45°F
40°F to 45°F
38°F to 43°F
38°F to 45°F
38°F to 41°F
36°F to 40°F
23°F to 36°F
27°F to 43°F
36°F to 56°F
38°F to 56°F
38°F to 41°F
Map: other cities in California in december
Cities near Shasta-Trinity National Forest:
| Redding in december | very bad weather |
| Klamath National Forest in december | very bad weather |
| Lava Beds National Monument in december | very bad weather |
| Lassen Volcanic National Park in december | very bad weather |
| Modoc National Forest in december | very bad weather |
| Six Rivers National Forest in december | very bad weather |
| Lassen National Forest in december | very bad weather |
| Klamath in december | bad weather |
| Chico in december | tolerable weather |
| McKinleyville in december | bad weather |
| Eureka in december | tolerable weather |
| Humboldt Redwoods State Park in december | tolerable weather |
Click over cities on the map for information about the weather in december.
Shasta-Trinity National Forest
perfect weather
good
tolerable
bad
very bad
Weather data for Shasta-Trinity National Forest in december:
Weather data for Shasta-Trinity National Forest for december are derived from an average of the weather forecast since 2009 in Shasta-Trinity National Forest. There is a margin of error and these forecasts are to be considered as general information only. The weather in Shasta-Trinity National Forest can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Shasta-Trinity National Forest.