December weather forecast
Pope Valley, CA

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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.

Frequently asked questions

What part of the year is the coldest in Pope Valley?

December, noted for its average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 39.6°F (4.2°C), is considered the coldest month in Pope Valley.

What are the temperatures in Pope Valley in December?

The high-temperature, in December, in Pope Valley, records 54.5°F (12.5°C), while the low-temperature is 39.6°F (4.2°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in December in Pope Valley?

In December, the average relative humidity in Pope Valley is 73%.

How many days does it rain in December in Pope Valley?

In Pope Valley, during December, the rain falls for 11.3 days and regularly aggregates up to 2.95" (75mm) of precipitation.

When it does not snow in Pope Valley?

January, February, April through December are months without snowfall in Pope Valley, California.

What is the month with the shortest days in Pope Valley?

December has the shortest days of the year in Pope Valley, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Pope Valley?

In December, the average day length in Pope Valley, California, is 9h and 31min.

When is the sunrise / sunset in December in Pope Valley?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:48 pm. On the last day of the month, in Pope Valley, sunrise is at 7:27 am and sunset at 4:58 pm PST.

What is the month with the least sunshine in Pope Valley?

The month with the least sunshine in Pope Valley, California, is December, with an average of 5.3h of sunshine.

How many hours of sunshine does Pope Valley have in December?

The average sunshine duration in December in Pope Valley, California, is 5.3h.

What are the months with the lowest UV index in Pope Valley?

The months with the lowest UV index in Pope Valley, California, are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Pope Valley?

In Pope Valley, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average max. wind speed
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Pope Valley, CA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Pope Valley, CA
  • Average daylight in December: 9h and 3min

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 2min

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 - 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 - 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 - 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 - 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).

Pope Valley, California, USA

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