December weather forecast
Oak Run, CA

Weather in December

The first month of the winter, December, is still a chilly month in Oak Run, California, with an average temperature varying between 35.2°F (1.8°C) and 49.3°F (9.6°C).

Temperature

The coldest month is December, with an average high-temperature of 49.3°F (9.6°C) and an average low-temperature of 35.2°F (1.8°C).

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Oak Run, California, during 13.9 rainfall days, 4.69" (119mm) of precipitation is typically accumulated. Throughout the year, in Oak Run, there are 99.5 rainfall days, and 30.43" (773mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Oak Run are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 0.63" (16mm) of snow.

Daylight

With an average of 9h and 19min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:12 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:50 pm PST.

Sunshine

With an average of 5.5h of sunshine, December has the least sunshine of the year.

UV index

February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Oak Run?

December is the coldest month in Oak Run, with an average high-temperature of 49.3°F (9.6°C) and an average low-temperature of 35.2°F (1.8°C).

What is the temperature in December in Oak Run?

The average high-temperature, in December, is 49.3°F (9.6°C), while the average low-temperature is 35.2°F (1.8°C). in June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 84.2°F (29°C).

What is the average humidity in December in Oak Run?

In Oak Run, the average relative humidity in December is 73%.

How many days does it rain in December in Oak Run?

In Oak Run, California, during December, the rain falls for 13.9 days and regularly aggregates up to 4.69" (119mm) of precipitation.

What is the snowiest month in Oak Run?

December is the month with the most snowfall in Oak Run, California. Snow falls for 0.8 days and accumulates 0.63" (16mm) of snow.

How much does it snow in Oak Run in December?

In Oak Run, California, in December, during 0.8 snowfall days, 0.63" (16mm) of snow is typically accumulated.

What is the month with the shortest days in Oak Run?

December has the shortest days of the year in Oak Run, with an average of 9h and 19min of daylight.

How many hours of daylight does Oak Run have in December?

The average day length in December in Oak Run is 9h and 19min.

What time are sunrise and sunset in December in Oak Run?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:41 pm. On the last day of the month, in Oak Run, California, sunrise is at 7:31 am and sunset at 4:50 pm PST.

What is the month with the least sunshine in Oak Run?

December has the least sunshine of the year in Oak Run, California, with an average of 5.5h of sunshine.

How long on average sun shines in December in Oak Run?

In Oak Run, the average sunshine duration in December is 5.5h.

What are the months with the lowest UV index in Oak Run?

The months with the lowest UV index in Oak Run are February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Oak Run?

In Oak Run, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Oak Run, CA

Average temperature in December - Oak Run, CA
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).

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Average pressure in December
Oak Run, CA

Average pressure in December - Oak Run, CA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in December
Oak Run, CA

Average wind speed in December - Oak Run, CA
  • Average wind speed in December: 4.5mph

The windiest months (with the highest average wind speed) are March, April, June and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.4mph).

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Average humidity in December
Oak Run, CA

Average humidity in December - Oak Run, CA
  • Average humidity in December: 73%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is August (35%).

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Average rainfall in December
Oak Run, CA

Average rainfall in December - Oak Run, CA
  • Average rainfall in December: 4.69"

The wettest month (with the highest rainfall) is March (5.91").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in December
Oak Run, CA

Average rainfall days in December - Oak Run, CA
  • Average rainfall days in December: 13.9 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.6 days).

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Average snowfall in December
Oak Run, CA

Average snowfall in December - Oak Run, CA
  • Average snowfall in December: 0.63"

The month with the highest snowfall is December (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Oak Run, CA

Average snowfall days in December - Oak Run, CA
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Oak Run, CA

Average daylight in December / Average sunshine in December - Oak Run, CA
  • Average daylight in December: 9h and 19min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in December: 5h and 30min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Oak Run, CA

Average sunshine days in December - Oak Run, CA
  • Average sunshine days in December: 16 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (12.7 days).

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Average UV index in December
Oak Run, CA

Average UV index in December - Oak Run, CA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in December
Oak Run, CA

Average cloud cover in December - Oak Run, CA
  • Average cloud cover in December: 40

The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in December
Oak Run, CA

Average visibility in December - Oak Run, 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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