December weather forecast and climate
Big Bar, CA

Weather in December

December, the first month of the winter, in Big Bar, is still a chilly month, with average temperature fluctuating between 30°F (-1.1°C) and 45°F (7.2°C).

Temperature

The coldest month is December, with an average high-temperature of 45°F (7.2°C) and an average low-temperature of 30°F (-1.1°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

The month with the most rainfall in Big Bar is December when the rain falls for 14.5 days and typically aggregates up to 6.14" (156mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 4.3 days. Throughout December, 5.43" (138mm) of snow is accumulated. Throughout the year, there are 21.6 snowfall days, and 28.46" (723mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.3h of daylight.

Sunshine

December has the least sunshine of the year in Big Bar, with an average of 4.6h of sunshine.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Big Bar?

With an average high-temperature of 45°F (7.2°C) and an average low-temperature of 30°F (-1.1°C), December is the coldest month in Big Bar, California.

What is the temperature in December in Big Bar?

In December, in Big Bar, California, the average high-temperature is 45°F (7.2°C), and the average low-temperature is 30°F (-1.1°C).

What is the average humidity in December in Big Bar?

In December, the average relative humidity in Big Bar is 81%.

How much does it rain in Big Bar in December?

In Big Bar, California, in December, during 14.5 rainfall days, 6.14" (156mm) of precipitation is typically accumulated.

What is the wettest month in Big Bar?

The month with the most rainfall in Big Bar, California, is December when the rain falls for 14.5 days and typically aggregates up to 6.14" (156mm) of precipitation.

How much does it snow in Big Bar in December?

In Big Bar, in December, during 4.3 snowfall days, 5.43" (138mm) of snow is typically accumulated.

What is the month with the shortest days in Big Bar?

With an average of 9.3h of daylight, December has the shortest days of the year in Big Bar.

What is the average length of the day in December in Big Bar?

In December, the average length of the day is 9.3h.

What is the month with the least sunshine in Big Bar?

The month with the least sunshine is December, with an average of 4.6h of sunshine.

How many hours of sunshine does Big Bar have in December?

In December, the average sunshine in Big Bar is 4.6h.

What is the month with the lowest UV index in Big Bar?

Months with the lowest UV index in Big Bar are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Big Bar?

The average daily maximum UV index in December in Big Bar, California, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Big Bar, CA

Average temperature in December - Big Bar, CA
  • Average high temperature in December: 45°F

The warmest months (with the highest average high temperature) are July and August (84.6°F).
The month with the lowest average high temperature is December (45°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is December (30°F).

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Average pressure in December
Big Bar, CA

Average pressure in December - Big Bar, CA
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is August (29.94").

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Average wind speed in December
Big Bar, CA

Average wind speed in December - Big Bar, CA
  • Average wind speed in December: 4.2mph

The windiest months (with the highest average wind speed) are March and April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

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Average humidity in December
Big Bar, CA

Average humidity in December - Big Bar, CA
  • Average humidity in December: 81%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in December
Big Bar, CA

Average rainfall in December - Big Bar, CA
  • Average rainfall in December: 6.14"

The wettest month (with the highest rainfall) is December (6.14").
The driest months (with the least rainfall) are July and August (0.16").

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Average rainfall days in December
Big Bar, CA

Average rainfall days in December - Big Bar, CA
  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (2.5 days).

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Average snowfall in December
Big Bar, CA

Average snowfall in December - Big Bar, CA
  • Average snowfall in December: 5.43"

The month with the highest snowfall is February (8.35").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Big Bar, CA

Average snowfall days in December - Big Bar, CA
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is February (5.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Big Bar, CA

Average daylight in December / Average sunshine in December - Big Bar, CA
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4.6h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 4.6h).

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Average sunshine days in December
Big Bar, CA

Average sunshine days in December - Big Bar, CA
  • Average sunshine days in December: 13.3 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is March (10.6 days).

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Average UV index in December
Big Bar, CA

Average UV index in December - Big Bar, CA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Big Bar, CA

Average cloud cover in December - Big Bar, CA
  • Average cloud cover in December: 52

The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in December
Big Bar, CA

Average visibility in December - Big Bar, CA
  • Average visibility in December: 4mi

Months with the highest visibility are June, July, August, September and October (6mi).
Months with the lowest visibility are March and December (4mi).

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