December weather forecast
Oak Run, CA

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Weather in December

The first month of the winter, December, is also a frosty month in Oak Run, California, with an average temperature varying between 35.2°F and 49.3°F.

Temperature

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

Humidity

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

Rainfall

In Oak Run, during December, the rain falls for 13.9 days and regularly aggregates up to 4.69" of precipitation. In Oak Run, California, during the entire year, the rain falls for 99.5 days and collects up to 30.43" of precipitation.

Snowfall

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

Daylight

The month with the shortest days in Oak Run is December, with an average of 9h and 18min of daylight.
On the first day of December in Oak Run, 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

The month with the least sunshine in Oak Run is December, with an average of 5.5h of sunshine.

UV index

February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Oak Run. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the UV index of 2 transforms into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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FAQ

What is the coldest time of year in Oak Run?

Oak Run's coldest month, December, generally records average temperatures ranging from a high of 49.3°F to a low of 35.2°F.

What is the usual temperature for Oak Run in December?

In Oak Run, 49.3°F is the average high-temperature and 35.2°F is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in June is calculated to be 84.2°F.

What is the average humidity in December in Oak Run?

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

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

In Oak Run, California, in December, it is raining for 13.9 days, with typically 4.69" of accumulated precipitation.

When does it snow the most in Oak Run?

December is the month with the most snowfall. Snow falls for 0.8 days and accumulates 0.63" of snow.

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

In December, it is snowing for 0.8 days. Throughout December, 0.63" of snow is 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 18min of daylight.

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

In December, the average day length in Oak Run is 9h and 19min.

When is the sunrise / sunset in December in Oak Run?

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.

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

The month with the least sunshine is December, with an average of 5.5h of sunshine.

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

In December, the average sunshine duration is 5.5h.

What is the month 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?

The average daily maximum UV index in December in Oak Run, California, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
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 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 3min

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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Oak Run, California, USA

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