December weather forecast
Windsor Crest, CA

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Weather in December

December, the first month of the winter in Windsor Crest, is still a comfortable month, with an average temperature varying between 61.7°F (16.5°C) and 43.5°F (6.4°C).

Temperature

December, noted for its average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 43.5°F (6.4°C), is considered the coldest month.

Humidity

The average relative humidity in December is 58%.

Rainfall

December is the month with the most rainfall. Rain falls for 6.5 days and accumulates 1.81" (46mm) of precipitation.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Windsor Crest, sunrise is at 6:35 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:51 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 6.5h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. 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.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Windsor Crest's December weather, with an average high temperature of 61.7°F (16.5°C) and an average low temperature of 43.5°F (6.4°C), tends to be the coldest of the year.

What is the temperature in December?

The average high-temperature, in December, in Windsor Crest, is 61.7°F (16.5°C), while the average low-temperature is 43.5°F (6.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 58%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 6.5 days and accumulates 1.81" (46mm) of precipitation.

How much does it rain in December?

In Windsor Crest, California, in December, it is raining for 6.5 days, with typically 1.81" (46mm) of accumulated precipitation.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Windsor Crest.

What is the average length of the day in December?

In Windsor Crest, the average day length in December is 9h and 59min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:35 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:51 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 6.5h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 6.5h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 3.

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Windsor Crest, CA

Average temperature in December - Windsor Crest, CA
  • Average high temperature in December: 61.7°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in December: 43.5°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

Average pressure in December
Windsor Crest, CA

Average pressure in December - Windsor Crest, CA
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in December
Windsor Crest, CA

Average wind speed in December - Windsor Crest, CA
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

Average humidity in December
Windsor Crest, CA

Average humidity in December - Windsor Crest, CA
  • Average humidity in December: 58%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).

Average rainfall in December
Windsor Crest, CA

Average rainfall in December - Windsor Crest, CA
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
Windsor Crest, CA

Average rainfall days in December - Windsor Crest, CA
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).

Average daylight in December /
Average sunshine in December
Windsor Crest, CA

Average daylight in December / Average sunshine in December - Windsor Crest, 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: 6h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Windsor Crest, CA

Average sunshine days in December - Windsor Crest, CA
  • Average sunshine days in December: 23.4 days

The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).

Average UV index in December
Windsor Crest, CA

Average UV index in December - Windsor Crest, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Windsor Crest, CA

Average cloud cover in December - Windsor Crest, CA
  • Average cloud cover in December: 26

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in December
Windsor Crest, CA

Average visibility in December - Windsor Crest, 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).

Windsor Crest, California, USA

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