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 snowfall 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
The coldest time of the year is December, with temperatures averaging a high of 57.7°F (14.3°C) and a low of 41.5°F (5.3°C).Humidity
In December, the average relative humidity in East Highlands is 51%.Rainfall
December is the month with the most rainfall in East Highlands. Rain falls for 6.8 days and accumulates 1.42" (36mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:36 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:49 pm PST.
Sunshine
With an average of 6.9h of sunshine, December has the least sunshine of the year in East Highlands.UV index
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 moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the coldest months in East Highlands?
What are December temperatures in East Highlands?
What is the average humidity in December in East Highlands?
What is the rainiest month in East Highlands?
How many days does it rain in December in East Highlands?
When it does not snow in East Highlands?
What is the month with the shortest days in East Highlands?
What is the average length of the day in December in East Highlands?
What time are sunrise and sunset in December in East Highlands?
What is the month with the least sunshine in East Highlands?
How many hours of sunshine does East Highlands have in December?
When is the lowest UV index in East Highlands?
What is the UV index intensity in December in East Highlands?
Average temperature in December
East Highlands, CA
- Average high temperature in December: 57.7°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).
Average pressure in December
East Highlands, 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 (29.84"Hg).
Average wind speed in December
East Highlands, CA
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).
Average humidity in December
East Highlands, CA
- Average humidity in December: 51%
The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).
Average rainfall in December
East Highlands, CA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
East Highlands, CA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in December
East Highlands, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
East Highlands, 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 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
East Highlands, CA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).
Average UV index in December
East Highlands, 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
East Highlands, CA
- Average cloud cover in December: 21
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
East Highlands, 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).
East Highlands, California, USA
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