December weather forecastWiest, CA
December
Weather in December
December, the first month of the winter in Wiest, is still a refreshing month, with an average temperature varying between 65.8°F (18.8°C) and 50.4°F (10.2°C).Temperature
December is the coldest month, exhibiting average temperatures of 65.8°F (18.8°C) at the peak and 50.4°F (10.2°C) at the base.Humidity
December is the most humid month in Wiest, California, with an average relative humidity of 41%.Rainfall
In Wiest, during December, the rain falls for 2.2 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Wiest, during the entire year, the rain falls for 34.3 days and collects up to 3.46" (88mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:27 am and sunset at 4:34 pm. On the last day of December, in Wiest, sunrise is at 6:44 am and sunset at 4:45 pm PST.
Sunshine
December has the least sunshine of the year in Wiest, California, with an average of 7h of sunshine.UV index
With an average maximum UV index of 4, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in December interprets into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wiest, CA
- Average high temperature in December: 65.8°F
The warmest month (with the highest average high temperature) is July (105.8°F).
The month with the lowest average high temperature is December (65.8°F).
- Average low temperature in December: 50.4°F
The month with the highest average low temperature is August (84.7°F).
The coldest months (with the lowest average low temperature) are January and December (50.4°F).
Average pressure in December
Wiest, CA
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.77"Hg).
Average wind speed in December
Wiest, CA
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in December
Wiest, CA
- Average humidity in December: 41%
The month with the highest relative humidity is December (41%).
The month with the lowest relative humidity is June (22%).
Average rainfall in December
Wiest, CA
- Average rainfall in December: 0.2"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is May (0").
Average rainfall days in December
Wiest, CA
- Average rainfall days in December: 2.2 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is May (0.8 days).
Average daylight in December /
Average sunshine in December
Wiest, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Wiest, CA
- Average sunshine days in December: 28.2 days
The month with the most sunshine days is May (30 days).
The month with the least sunshine days is July (19 days).
Average UV index in December
Wiest, CA
- Average UV index in December: 4
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Wiest, CA
- Average cloud cover in December: 18
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Wiest, 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).





