Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Heber, December is the month with the lowest recorded average temperatures, measuring a high of 67.5°F (19.7°C) and a low of 50.5°F (10.3°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 38%.Rainfall
In Heber, California, in December, it is raining for 2 days, with typically 0.2" (5mm) of accumulated precipitation. In Heber, during the entire year, the rain falls for 24.1 days and collects up to 2.44" (62mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.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
November and December, with an average maximum UV index of 4, are months with the lowest UV index in Heber. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in December translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December in Heber?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Heber have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
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).
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).
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).
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%).
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").
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).
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).
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).
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).
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).
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).
Heber, California, USA
Weather forecast for your location
2. Allow the app to use your location