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
December is the month that records the lowest temperatures, with averages ranging from a high of 62.2°F (16.8°C) to a low of 47.3°F (8.5°C).Humidity
The average relative humidity in December in Universal City is 54%.Rainfall
In Universal City, during December, the rain falls for 5.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 47.8 rainfall days, and 8.35" (212mm) of precipitation is accumulated.Snowfall
December is the only month when snow falls. December has the most snowfall days of the year. Snow falls for 0.1 days.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:41 am and sunset at 4:43 pm. On the last day of December, sunrise is at 6:59 am and sunset at 4:54 pm PST.
Sunshine
In Universal City, the average sunshine in December is 6.9h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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 usual temperature for Universal City in December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Universal City, CA
- Average high temperature in December: 62.2°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (62.2°F).
- Average low temperature in December: 47.3°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.3°F).
Average pressure in December
Universal City, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in December
Universal City, CA
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in December
Universal City, CA
- Average humidity in December: 54%
The month with the highest relative humidity is June (60%).
The month with the lowest relative humidity is November (48%).
Average rainfall in December
Universal City, CA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Universal City, CA
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is March (7 days).
The month with the least rainy days is June (1.1 days).
Average snowfall days in December
Universal City, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Universal City, 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 months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in December
Universal City, CA
- Average sunshine days in December: 23.9 days
The month with the most sunshine days is August (27.7 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in December
Universal City, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Universal City, 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 4).
Average visibility in December
Universal City, 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).
Universal City, California, USA
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