December weather forecastCovelo, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Covelo, California, with an average temperature varying between 51.3°F (10.7°C) and 35.2°F (1.8°C).Temperature
The coldest month is December, with an average high-temperature of 51.3°F (10.7°C) and an average low-temperature of 35.2°F (1.8°C).Humidity
In Covelo, the average relative humidity in December is 76%.Rainfall
In Covelo, in December, during 8.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 61.6 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
April through October and December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:58 pm PST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Covelo, CA
- Average high temperature in December: 51.3°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (53.4°F).
The coldest months (with the lowest average low temperature) are February, March and December (35.2°F).
Average pressure in December
Covelo, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Covelo, CA
- Average wind speed in December: 4.2mph
The windiest months (with the highest average wind speed) are March and April (4.6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Covelo, CA
- Average humidity in December: 76%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is July (54%).
Average rainfall in December
Covelo, CA
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is February (2.28").
The driest months (with the least rainfall) are July, August and September (0.08").
Average rainfall days in December
Covelo, CA
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is March (10.3 days).
The months with the least rainy days are August and September (1.8 days).
Average snowfall in December
Covelo, CA
- Average snowfall in December: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Covelo, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Covelo, CA
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Covelo, CA
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (20.2 days).
Average UV index in December
Covelo, 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 February, November and December (UV index 2).
Average cloud cover in December
Covelo, CA
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in December
Covelo, CA
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).





