December weather forecast
Empire, CA

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Weather in December

The first month of the winter, December, is still a mild month in Empire, California, with an average temperature ranging between max 55.6°F (13.1°C) and min 41.9°F (5.5°C).

Temperature

Empire's December weather reaches an average high of 55.6°F (13.1°C) and an average low of 41.9°F (5.5°C), making it the coldest month.

Humidity

In December, the average relative humidity is 70%.

Rainfall

In Empire, during December, the rain falls for 8.2 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 54.3 rainfall days, and 6.54" (166mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:00 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:55 pm PST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 3 in December transforms into this advice:
Be vigilant - Preventing sunburn is recommended. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What are the coldest months?

December tends to be the coldest month, with temperatures averaging a daily high of 55.6°F (13.1°C) and a low of 41.9°F (5.5°C).

What are the temperatures in December?

The average high-temperature and low-temperature during December are 55.6°F (13.1°C) and 41.9°F (5.5°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 93.2°F (34°C).

What is the average humidity in December in Empire?

In December, the average relative humidity is 70%.

How many days does it rain in December?

In Empire, in December, during 8.2 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Empire have in December?

In December, the average day length is 9h and 37min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:55 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 many hours of sunshine does Empire have in December?

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

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index in Empire is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Empire, CA

Average temperature in December - Empire, CA
  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).

Average pressure in December
Empire, CA

Average pressure in December - Empire, CA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Empire, CA

Average wind speed in December - Empire, CA
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).

Average humidity in December
Empire, CA

Average humidity in December - Empire, CA
  • Average humidity in December: 70%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

Average rainfall in December
Empire, CA

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

The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in December
Empire, CA

Average rainfall days in December - Empire, CA
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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

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

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

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in December
Empire, CA

Average sunshine days in December - Empire, CA
  • Average sunshine days in December: 22 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).

Average UV index in December
Empire, CA

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Empire, CA

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

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
Empire, CA

Average visibility in December - Empire, 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).

Empire, California, USA

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