December weather forecastDouglas City, CA
December
Weather in December
December, the first month of the winter in Douglas City, is still a chilly month, with an average temperature ranging between max 46°F (7.8°C) and min 30.2°F (-1°C).Temperature
Douglas City experiences its lowest average temperatures in December, reaching a peak of 46°F (7.8°C) and a minimum of 30.2°F (-1°C).Humidity
In Douglas City, California, the average relative humidity in December is 80%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Douglas City, in December, snow falls for 3.8 days, with typically accumulated 5.08" (129mm) of snow. In Douglas City, during the entire year, snow falls for 21.4 days and aggregates up to 28.74" (730mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:17 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:54 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 4.7h of sunshine.UV index
The months with the lowest UV index in Douglas City are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Douglas City, CA
- Average high temperature in December: 46°F
The warmest months (with the highest average high temperature) are July and August (86.5°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).
Average pressure in December
Douglas City, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in December
Douglas City, CA
- Average wind speed in December: 4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in December
Douglas City, CA
- Average humidity in December: 80%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Douglas City, CA
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Douglas City, CA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in December
Douglas City, CA
- Average snowfall in December: 5.08"
The month with the highest snowfall is February (7.52").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Douglas City, CA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Douglas City, CA
- Average daylight in December: 9h and 18min
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: 4h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Douglas City, CA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is March (13.6 days).
Average UV index in December
Douglas City, CA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Douglas City, CA
- Average cloud cover in December: 51
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Douglas City, CA
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are March and December (4mi).





