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 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
Zenia records the coldest temperatures in December, averaging a high of 46°F (7.8°C) and a low of 30.2°F (-1°C).Humidity
The average relative humidity in December is 80%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Zenia, in December, during 3.8 snowfall days, 5.08" (129mm) of snow is typically accumulated. Throughout the year, there are 21.4 snowfall days, and 28.74" (730mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:58 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 4.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What are the temperatures in December?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How much does it snow in December?
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?
What is the month with the least sunshine?
How many hours of sunshine does Zenia have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Zenia, CA
- Average high temperature in December: 46°F
The warmest months (with the highest average high temperature) are July and August (86.5°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).
Average pressure in December
Zenia, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in December
Zenia, CA
- Average wind speed in December: 4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in December
Zenia, CA
- Average humidity in December: 80%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Zenia, CA
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Zenia, CA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in December
Zenia, CA
- Average snowfall in December: 5.08"
The month with the highest snowfall is February (7.52").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Zenia, CA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Zenia, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Zenia, CA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is March (13.6 days).
Average UV index in December
Zenia, CA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Zenia, CA
- Average cloud cover in December: 51
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Zenia, CA
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are March and December (4mi).
Zenia, California, USA
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