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
December, having an average high-temperature of 64.6°F (18.1°C) and an average low-temperature of 48.9°F (9.4°C), is the coldest month.Humidity
In December, the average relative humidity is 51%.Rainfall
December is the month with the most rainfall in Avocado Heights. Rain falls for 5.4 days and accumulates 1.3" (33mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:39 am and sunset at 4:42 pm. On the last day of December, in Avocado Heights, sunrise is at 6:57 am and sunset at 4:53 pm PST.
Sunshine
The months with the least sunshine are February and December, with an average of 6.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in December, converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the temperature in December?
What is the average humidity in December?
What is the wettest month in Avocado Heights?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Avocado Heights have in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Avocado Heights have in December?
When is the lowest UV index?
How high is the UV index in December in Avocado Heights?
Average temperature in December
Avocado Heights, CA
- Average high temperature in December: 64.6°F
The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is December (64.6°F).
- Average low temperature in December: 48.9°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48°F).
Average pressure in December
Avocado Heights, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Avocado Heights, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are September and October (4.6mph).
Average humidity in December
Avocado Heights, CA
- Average humidity in December: 51%
The months with the highest relative humidity are May and June (58%).
The month with the lowest relative humidity is November (46%).
Average rainfall in December
Avocado Heights, CA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is December (1.3").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Avocado Heights, CA
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is March (5.9 days).
The month with the least rainy days is August (1.2 days).
Average daylight in December /
Average sunshine in December
Avocado Heights, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 48min).
Average sunshine days in December
Avocado Heights, CA
- Average sunshine days in December: 24.5 days
The months with the most sunshine days are June and August (27.9 days).
The month with the least sunshine days is February (22.3 days).
Average UV index in December
Avocado Heights, CA
- Average UV index in December: 4
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
Avocado Heights, CA
- Average cloud cover in December: 22
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Avocado Heights, 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).
Avocado Heights, California, USA
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