December weather forecast
Egan, CA

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Weather in December

The first month of the winter, December, is also a moderate month in Egan, California, with an average temperature fluctuating between 58.6°F (14.8°C) and 41°F (5°C).

Temperature

In Egan, December is the month with the lowest recorded average temperatures, measuring a high of 58.6°F (14.8°C) and a low of 41°F (5°C).

Humidity

The average relative humidity in December is 54%.

Rainfall

In Egan, in December, it is raining for 6 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, in Egan, there are 54 rainfall days, and 6.61" (168mm) of precipitation is accumulated.

Snowfall

December is the only month when snow falls. The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:35 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:52 am and sunset at 4:50 pm PST.

Sunshine

The months with the least sunshine are February and December, with an average of 6.7h of sunshine.

UV index

November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. 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. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Egan?

In Egan, December records the average lowest temperatures, peaking at 58.6°F (14.8°C) and reaching a low of 41°F (5°C).

What are December temperatures?

During December, Egan experiences an average high-temperature of 58.6°F (14.8°C) and a low-temperature of 41°F (5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity in Egan is 54%.

How many days does it rain in December?

In Egan, in December, during 6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Egan, the average day length in December is 9h and 58min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:35 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:50 pm PST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 6.7h of sunshine.

How many hours of sunshine does Egan have in December?

In December, the average sunshine duration is 6.7h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
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
Egan, CA

Average temperature in December - Egan, CA
  • Average high temperature in December: 58.6°F

The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is December (58.6°F).

  • Average low temperature in December: 41°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

Average pressure in December
Egan, CA

Average pressure in December - Egan, CA
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Egan, CA

Average wind speed in December - Egan, CA
  • Average wind speed in December: 5.5mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

Average humidity in December
Egan, CA

Average humidity in December - Egan, CA
  • Average humidity in December: 54%

The months with the highest relative humidity are February, March and May (56%).
The month with the lowest relative humidity is August (41%).

Average rainfall in December
Egan, CA

Average rainfall in December - Egan, CA
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
Egan, CA

Average rainfall days in December - Egan, CA
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.6 days).

Average snowfall in December
Egan, CA

Average snowfall in December - Egan, CA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Egan, CA

Average snowfall days in December - Egan, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Egan, CA
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).

Average sunshine days in December
Egan, CA

Average sunshine days in December - Egan, CA
  • Average sunshine days in December: 24.2 days

The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is February (20.9 days).

Average UV index in December
Egan, CA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).

Average cloud cover in December
Egan, CA

Average cloud cover in December - Egan, CA
  • Average cloud cover in December: 25

The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in December
Egan, CA

Average visibility in December - Egan, 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).

Egan, California, USA

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