December weather forecast
Davis, CA

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Weather in December

The first month of the winter, December, is still a cool month in Davis, California, with an average temperature fluctuating between 54.5°F (12.5°C) and 41.4°F (5.2°C).

Temperature

Davis's December weather, with an average high temperature of 54.5°F (12.5°C) and an average low temperature of 41.4°F (5.2°C), tends to be the coldest of the year.

Humidity

The average relative humidity in December in Davis, California, is 71%.

Rainfall

In December, the rain falls for 9.7 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. In Davis, California, during the entire year, the rain falls for 67.4 days and collects up to 12.17" (309mm) of precipitation.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Davis.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:46 pm. On the last day of December, in Davis, sunrise is at 7:24 am and sunset at 4:56 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.6h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a regular UV index of 3 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the coldest month in Davis?

December is the month when Davis, California, sees the average lowest temperatures, with a high of 54.5°F (12.5°C) and a low of 41.4°F (5.2°C).

What is the temperature in December in Davis?

December temperatures in Davis vary between a high-temperature of 54.5°F (12.5°C) and a low-temperature of 41.4°F (5.2°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 89.6°F (32°C).

What is the average humidity in December in Davis?

In December, the average relative humidity in Davis is 71%.

How many days does it rain in December in Davis?

In Davis, during December, the rain falls for 9.7 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the month with the shortest days in Davis?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Davis, California.

How many hours of daylight does Davis have in December?

The average day length in December is 9h and 32min.

When is the sunrise / sunset in December in Davis?

On the first day of December in Davis, California, sunrise is at 7:06 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:56 pm PST.

What is the month with the least sunshine in Davis?

The month with the least sunshine in Davis is December, with an average of 5.6h of sunshine.

How many hours of sunshine does Davis have in December?

The average sunshine duration in December in Davis, California, is 5.6h.

When is the lowest UV index in Davis?

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

What is the UV index intensity in December in Davis?

In Davis, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Davis, CA

Average temperature in December - Davis, CA
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in December: 41.4°F

The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in December
Davis, CA

Average pressure in December - Davis, CA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed in December
Davis, CA

Average wind speed in December - Davis, CA
  • Average wind speed in December: 5.6mph

The windiest months (with the highest average wind speed) are May and June (6.3mph).
The calmest month (with the lowest average wind speed) is November (5mph).

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Average humidity in December
Davis, CA

Average humidity in December - Davis, CA
  • Average humidity in December: 71%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (45%).

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Average rainfall in December
Davis, CA

Average rainfall in December - Davis, CA
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is February (2.44").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Davis, CA

Average rainfall days in December - Davis, CA
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is March (12.5 days).
The months with the least rainy days are July and August (0.8 days).

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Average daylight in December /
Average sunshine in December
Davis, CA

Average daylight in December / Average sunshine in December - Davis, 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 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Davis, CA

Average sunshine days in December - Davis, CA
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.8 days).

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Average UV index in December
Davis, CA

Average UV index in December - Davis, CA
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in December
Davis, CA

Average cloud cover in December - Davis, CA
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in December
Davis, CA

Average visibility in December - Davis, 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).

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Davis, California, USA

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