Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December, with average temperatures reaching a high of 50.9°F (10.5°C) and a low of 36.7°F (2.6°C), is the coldest month in Redding.Humidity
In Redding, the average relative humidity in December is 71%.Rainfall
In Redding, in December, during 11.8 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Redding, during the entire year, the rain falls for 92.2 days and collects up to 20.16" (512mm) of precipitation.Snowfall
Months with snowfall are February, March and December. December is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.31" (8mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:52 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the usual temperature for Redding in December?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Redding have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Redding have in December?
What is the UV index reading in December?
Average temperature in December
Redding, CA
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).
Average pressure in December
Redding, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Redding, CA
- Average wind speed in December: 4.5mph
The windiest months (with the highest average wind speed) are March and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.3mph).
Average humidity in December
Redding, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is August (33%).
Average rainfall in December
Redding, CA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is March (3.94").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Redding, CA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in December
Redding, CA
- Average snowfall in December: 0.31"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Redding, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Redding, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Redding, CA
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (13.5 days).
Average UV index in December
Redding, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Redding, CA
- Average cloud cover in December: 39
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Redding, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).