December weather forecast
Copic, CA

Weather in December

The first month of the winter, December, is also a wintry month in Copic, California, with temperature in the range of an average high of 37.2°F (2.9°C) and an average low of 25°F (-3.9°C).

Temperature

The coldest month is December, with an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 25°F (-3.9°C).

Humidity

The average relative humidity in Copic, California, is 82%.

Rainfall

The month with the most rainfall is December when the rain falls for 10 days and typically aggregates up to 1.97" (50mm) of precipitation.

Snowfall

Months with snowfall in Copic, California, are January through June, September through December. The month with the most snowfall in Copic, California, is December when snow falls for 13.4 days and typically aggregates up to 9.57" (243mm) of snow.

Daylight

December has the shortest days of the year in Copic, with an average of 9.2h of daylight.

Sunshine

The average sunshine in Copic, California, is 5.5h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December 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 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 Copic?

The coldest month in Copic is December, with an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 25°F (-3.9°C).

What is the average humidity in December in Copic?

In December, the average relative humidity in Copic, California, is 82%.

What is the wettest month in Copic?

The month with the most rainfall is December when the rain falls for 10 days and typically aggregates up to 1.97" (50mm) of precipitation.

How many days does it rain in December in Copic?

In Copic, California, during December, the rain falls for 10 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When does it snow the most in Copic?

The month with the most snowfall in Copic is December when snow falls for 13.4 days and typically aggregates up to 9.57" (243mm) of snow.

How many days does it snow in December in Copic?

In Copic, California, during December, snow falls for 13.4 days and regularly aggregates up to 9.57" (243mm) of snow.

What is the month with the shortest days in Copic?

December has the shortest days of the year, with an average of 9.2h of daylight.

How many hours of daylight does Copic have in December?

In Copic, the average length of the day in December is 9.2h.

How many hours of sunshine does Copic have in December?

The average sunshine in December in Copic, California, is 5.5h.

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

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Copic.

What is the UV index reading in December in Copic?

In Copic, California, the average daily maximum UV index in December 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
Copic, CA

Average temperature in December - Copic, CA
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).

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Average pressure in December
Copic, CA

Average pressure in December - Copic, CA
  • Average pressure in December: 30.16"

The month with the highest atmospheric pressure is January (30.18").
Months with the lowest atmospheric pressure are June, July and August (29.96").

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Average wind speed in December
Copic, CA

Average wind speed in December - Copic, CA
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Copic, CA

Average humidity in December - Copic, CA
  • Average humidity in December: 82%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in December
Copic, CA

Average rainfall in December - Copic, CA
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in December
Copic, CA

Average rainfall days in December - Copic, CA
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).

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Average snowfall in December
Copic, CA

Average snowfall in December - Copic, CA
  • Average snowfall in December: 9.57"

The month with the highest snowfall is December (9.57").
Months with the least snowfall are July and August (0").

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Average snowfall days in December
Copic, CA

Average snowfall days in December - Copic, CA
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is December (13.4 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Copic, CA
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 5.5h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 5.4h).

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Average sunshine days in December
Copic, CA

Average sunshine days in December - Copic, CA
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).

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Average UV index in December
Copic, CA

Average UV index in December - Copic, 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, March, November and December (UV index 2).

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Average cloud cover in December
Copic, CA

Average cloud cover in December - Copic, CA
  • Average cloud cover in December: 44

Months with the most cloud cover are March and December (Cloud cover 44).
Months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in December
Copic, CA

Average visibility in December - Copic, CA
  • Average visibility in December: 5mi

Months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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