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
Perez, California, experiences its lowest temperatures in December, with an average peak of 36.5°F (2.5°C) and a low of 23.2°F (-4.9°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 79%.Rainfall
The month with the most rainfall in Perez is December, when the rain falls for 8.1 days and typically aggregates up to 1.69" (43mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. The month with the most snowfall is December, when snow falls for 12.4 days and typically aggregates up to 8.27" (210mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:44 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Keep in mind! Snow's reflective quality can nearly 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 is the coldest time of year?
How cold is December?
What are the most humid months?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Perez have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Perez have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Perez, CA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in December
Perez, CA
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Perez, CA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Perez, CA
- Average humidity in December: 79%
The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).
Average rainfall in December
Perez, CA
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Perez, CA
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in December
Perez, CA
- Average snowfall in December: 8.27"
The month with the highest snowfall is December (8.27").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Perez, CA
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is December (12.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Perez, CA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Perez, CA
- Average sunshine days in December: 14.8 days
The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in December
Perez, 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, March, November and December (UV index 2).
Average cloud cover in December
Perez, CA
- Average cloud cover in December: 43
The months with the most cloud cover are March and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Perez, CA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Perez, California, USA
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