December weather forecast
Davis, CA

Weather in December

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

Temperature

With an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41.4°F (5.2°C), December is the coldest month.

Humidity

In December, the average relative humidity is 71%.

Rainfall

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

Daylight

December has the shortest days of the year, with an average of 9h and 32min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:55 pm PST.

Sunshine

With an average of 5.6h of sunshine, December has the least sunshine of the year in Davis, California.

UV index

The months with the lowest UV index in Davis are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the coldest month in Davis?

With an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41.4°F (5.2°C), December is the coldest month in Davis.

What is the average humidity in December in Davis?

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

How many days does it rain in December in Davis?

In December, in Davis, California, the rain falls for 9.7 days. Throughout December, 1.89" (48mm) of precipitation is accumulated.

What is the month with the shortest days in Davis?

December has the shortest days of the year in Davis, with an average of 9h and 32min of daylight.

What is the average length of the day in December in Davis?

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

When are sunrise and sunset in December in Davis?

On the first day of December in Davis, California, sunrise is at 7:05 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:55 pm PST.

What is the month with the least sunshine in Davis?

The month with the least sunshine in Davis, California, 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.

What are the months with the lowest UV index in Davis?

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

How high is the UV index in December in Davis?

In Davis, California, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

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"

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

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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 32min

The month with the longest days is June (Average daylight: 14h and 49min).
The month with the shortest days is December (Average daylight: 9h and 32min).

  • Average sunshine in December: 5.6h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.6h).

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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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