December weather forecastPope Valley, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Pope Valley, California, with an average temperature ranging between max 54.5°F (12.5°C) and min 39.6°F (4.2°C).Temperature
In Pope Valley, the lowest temperatures are generally noted in December, averaging a high of 54.5°F (12.5°C) and a low of 39.6°F (4.2°C).Humidity
In Pope Valley, the average relative humidity in December is 73%.Rainfall
In Pope Valley, in December, during 11.3 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Pope Valley, during the entire year, the rain falls for 76.2 days and collects up to 16.93" (430mm) of precipitation.Snowfall
In Pope Valley, snow does not fall in January, February, April through December.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:58 pm PST.
Sunshine
The month with the least sunshine in Pope Valley is December, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during December translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pope Valley, CA
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in December: 39.6°F
The month with the highest average low temperature is September (54.3°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).
Average pressure in December
Pope Valley, 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, August and September (29.91"Hg).
Average wind speed in December
Pope Valley, CA
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in December
Pope Valley, CA
- Average humidity in December: 73%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (53%).
Average rainfall in December
Pope Valley, CA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is July (0").
Average rainfall days in December
Pope Valley, CA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in December
Pope Valley, CA
- Average snowfall in December: 0"
The month with the highest snowfall is March (0.04").
The months with the least snowfall are January, February, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Pope Valley, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is March (0.2 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Pope Valley, CA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Pope Valley, CA
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is July (30 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in December
Pope Valley, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Pope Valley, CA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in December
Pope Valley, CA
- Average visibility in December: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
