December weather forecast and climate
Campo, CA

Weather in December

The first month of the winter, December, is also a moderate month in Campo, California, with average temperature varying between 59°F (15°C) and 42.3°F (5.7°C).

Temperature

December is the coldest month, with an average high-temperature of 59°F (15°C) and an average low-temperature of 42.3°F (5.7°C).

Humidity

In December, the average relative humidity is 53%.

Rainfall

In Campo, it is raining for 6.8 days, with typically 1.02" (26mm) of accumulated precipitation. In Campo, California, during the entire year, the rain falls for 64.8 days and collects up to 8.7" (221mm) of precipitation.

Snowfall

February, March and December are months with snowfall in Campo. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 1.2 snowfall days, and 0.71" (18mm) of snow is accumulated.

Daylight

The month with the shortest days in Campo is December, with an average of 10h of daylight.

Sunshine

December has the least sunshine of the year in Campo, with an average of 6.3h of sunshine.

UV index

Months with the lowest UV index are November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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. 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 Campo?

With an average high-temperature of 59°F (15°C) and an average low-temperature of 42.3°F (5.7°C), December is the coldest month.

What is the temperature in December in Campo?

The average high-temperature, in December, in Campo, is 59°F (15°C), while the average low-temperature is 42.3°F (5.7°C).

What is the average humidity in December in Campo?

In December, the average relative humidity in Campo, California, is 53%.

How many days does it rain in December in Campo?

In December, in Campo, California, the rain falls for 6.8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

When does it start snowing in Campo?

December is the first month it typically snows in Campo. Throughout December, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days in Campo?

December has the shortest days of the year, with an average of 10h of daylight.

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

In Campo, California, the average length of the day in December is 10h.

What is the month with the least sunshine in Campo?

December has the least sunshine of the year in Campo, with an average of 6.3h of sunshine.

How long on average sun shines in December in Campo?

In December, the average sunshine in Campo is 6.3h.

What is the month with the lowest UV index in Campo?

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

What is the UV index intensity in December in Campo?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in December
Campo, CA

Average temperature in December - Campo, CA
  • Average high temperature in December: 59°F

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is December (59°F).

  • Average low temperature in December: 42.3°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is December (42.3°F).

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Average pressure in December
Campo, CA

Average pressure in December - Campo, CA
  • Average pressure in December: 30.05"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in December
Campo, CA

Average wind speed in December - Campo, CA
  • Average wind speed in December: 7.2mph

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Campo, CA

Average humidity in December - Campo, CA
  • Average humidity in December: 53%

Months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in December
Campo, CA

Average rainfall in December - Campo, CA
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Campo, CA

Average rainfall days in December - Campo, CA
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is July (7.9 days).
The month with the least rainy days is June (1.5 days).

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Average snowfall in December
Campo, CA

Average snowfall in December - Campo, CA
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.55").
Months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Campo, CA

Average snowfall days in December - Campo, CA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.8 days).
Months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Campo, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 6.3h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.3h).

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Average sunshine days in December
Campo, CA

Average sunshine days in December - Campo, CA
  • Average sunshine days in December: 22.9 days

The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (19 days).

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Average UV index in December
Campo, CA

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

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in December
Campo, CA

Average cloud cover in December - Campo, CA
  • Average cloud cover in December: 26

The month with the most cloud cover is December (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in December
Campo, CA

Average visibility in December - Campo, CA
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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