December weather forecast
Elkhorn, CA

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Weather in December

December, the first month of the winter in Elkhorn, is also a moderate month, with an average temperature varying between 43.7°F (6.5°C) and 57.6°F (14.2°C).

Temperature

Temperature readings reach their annual highs in December, averaging 57.6°F (14.2°C) and a minimum average of 43.7°F (6.5°C).

Humidity

In December, the average relative humidity is 71%.

Rainfall

December is the month with the most rainfall. Rain falls for 7.7 days and accumulates 1.14" (29mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:01 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:01 pm PST.

Sunshine

With an average of 6h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Elkhorn's coldest weather arrives in December, when temperatures average a high of 57.6°F (14.2°C) and a low of 43.7°F (6.5°C).

What is the temperature in December?

During December, Elkhorn experiences an average high-temperature of 57.6°F (14.2°C) and a low-temperature of 43.7°F (6.5°C).

What is the average humidity in December?

In Elkhorn, the average relative humidity in December is 71%.

What is the wettest month in Elkhorn?

December is the month with the most rainfall. Rain falls for 7.7 days and accumulates 1.14" (29mm) of precipitation.

How much does it rain in December?

In Elkhorn, in December, during 7.7 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 42min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 41min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:01 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration in Elkhorn is 6h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Elkhorn, CA

Average temperature in December - Elkhorn, CA
  • Average high temperature in December: 57.6°F

The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in December: 43.7°F

The month with the highest average low temperature is September (54.5°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).

Average pressure in December
Elkhorn, CA

Average pressure in December - Elkhorn, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

Average wind speed in December
Elkhorn, CA

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

The windiest month (with the highest average wind speed) is May (6.5mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).

Average humidity in December
Elkhorn, CA

Average humidity in December - Elkhorn, CA
  • Average humidity in December: 71%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (66%).

Average rainfall in December
Elkhorn, CA

Average rainfall in December - Elkhorn, CA
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is December (1.14").
The driest months (with the least rainfall) are June, July, August and September (0.04").

Average rainfall days in December
Elkhorn, CA

Average rainfall days in December - Elkhorn, CA
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is August (0.7 days).

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

Average daylight in December / Average sunshine in December - Elkhorn, CA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h

The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).

Average sunshine days in December
Elkhorn, CA

Average sunshine days in December - Elkhorn, CA
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (20 days).

Average UV index in December
Elkhorn, CA

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

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

Average cloud cover in December
Elkhorn, CA

Average cloud cover in December - Elkhorn, CA
  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 33).
The months with the least cloud cover are July and September (Cloud cover 10).

Average visibility in December
Elkhorn, CA

Average visibility in December - Elkhorn, 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).

Elkhorn, California, USA

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