December weather forecast
Heber, CA

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Weather in December

December, the first month of the winter in Heber, is still a refreshing month, with an average temperature fluctuating between 67.5°F (19.7°C) and 50.5°F (10.3°C).

Temperature

With its high average temperature of 67.5°F (19.7°C) and a low of 50.5°F (10.3°C), December is regarded as the coldest month.

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 38%.

Rainfall

In Heber, in December, during 2 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 24.1 rainfall days, and 2.44" (62mm) of precipitation is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year in Heber.
On the first day of the month, sunrise is at 6:27 am and sunset at 4:35 pm. On the last day of December, sunrise is at 6:44 am and sunset at 4:46 pm PST.

Sunshine

With an average of 7.1h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 4 in December leads to these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What month is the coldest in Heber?

The month of December, characterized by an average high of 67.5°F (19.7°C) and a low of 50.5°F (10.3°C), is recognized as the coldest.

What are the temperatures in Heber in December?

In December, the average high-temperature and low-temperature in Heber are 67.5°F (19.7°C) and 50.5°F (10.3°C) respectively.

What are the most humid months in Heber?

January and December, with an average relative humidity of 38%, are most humid months.

What is the average humidity in December in Heber?

The average relative humidity in December is 38%.

How many days does it rain in December in Heber?

In Heber, during December, the rain falls for 2 days and regularly aggregates up to 0.2" (5mm) of precipitation.

What is the month with the shortest days in Heber?

December has the shortest days of the year in Heber, California, with an average of 10h and 0min of daylight.

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

In December, the average day length in Heber, California, is 10h and 2min.

What time are sunrise and sunset in December in Heber?

In December, on the first day of the month, sunrise is at 6:27 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 4:46 pm PST.

What is the month with the least sunshine in Heber?

With an average of 7.1h of sunshine, December has the least sunshine of the year in Heber.

How many hours of sunshine does Heber have in December?

In Heber, California, the average sunshine duration in December is 7.1h.

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

The months with the lowest UV index are November and December, with an average maximum UV index of 4.

How high is the UV index in December in Heber?

In December, the average daily maximum UV index in Heber, California, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Heber, CA

Average temperature in December - Heber, CA
  • Average high temperature in December: 67.5°F

The warmest month (with the highest average high temperature) is July (107.2°F).
The month with the lowest average high temperature is December (67.5°F).

  • Average low temperature in December: 50.5°F

The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).

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Average pressure in December
Heber, CA

Average pressure in December - Heber, CA
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).

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Average wind speed in December
Heber, CA

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

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Heber, CA

Average humidity in December - Heber, CA
  • Average humidity in December: 38%

The months with the highest relative humidity are January and December (38%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in December
Heber, CA

Average rainfall in December - Heber, CA
  • Average rainfall in December: 0.2"

The wettest month (with the highest rainfall) is July (0.43").
The driest month (with the least rainfall) is May (0.04").

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Average rainfall days in December
Heber, CA

Average rainfall days in December - Heber, CA
  • Average rainfall days in December: 2 days

The month with the highest number of rainy days is July (4.8 days).
The month with the least rainy days is May (0.8 days).

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 7h and 1min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in December
Heber, CA

Average sunshine days in December - Heber, CA
  • Average sunshine days in December: 29 days

The month with the most sunshine days is May (30.1 days).
The month with the least sunshine days is July (23.9 days).

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Average UV index in December
Heber, CA

Average UV index in December - Heber, CA
  • Average UV index in December: 4

The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are November and December (UV index 4).

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Average cloud cover in December
Heber, CA

Average cloud cover in December - Heber, CA
  • Average cloud cover in December: 17

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in December
Heber, CA

Average visibility in December - Heber, 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).

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Heber, California, USA

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