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, marked by an average high-temperature of 54.1°F (12.3°C) and a low-temperature of 40.3°F (4.6°C), is the coldest month.Humidity
In December, the average relative humidity is 66%.Rainfall
December is the month with the most rainfall. Rain falls for 11.1 days and accumulates 3.07" (78mm) of precipitation.Snowfall
In Proberta, snow does not fall in January, March through December.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Proberta.On the first day of the month, sunrise is at 7:12 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:53 pm PST.
Sunshine
January and December, with an average of 5.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Proberta, California, are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 3 in December transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What month is the coldest in Proberta?
What is the usual temperature for Proberta in December?
What is the average humidity in December in Proberta?
What is the rainiest month in Proberta?
How much does it rain in Proberta in December?
When it does not snow in Proberta?
What is the month with the shortest days in Proberta?
How many hours of daylight does Proberta have in December?
When is the sunrise / sunset in December in Proberta?
What is the month with the least sunshine in Proberta?
How many hours of sunshine does Proberta have in December?
What are the months with the lowest UV index in Proberta?
What is the UV index intensity in December in Proberta?
Average temperature in December
Proberta, CA
- Average high temperature in December: 54.1°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).
Average pressure in December
Proberta, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Proberta, CA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Proberta, CA
- Average humidity in December: 66%
The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in December
Proberta, CA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in December
Proberta, CA
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is August (1.1 days).
Average snowfall days in December
Proberta, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 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
Proberta, 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: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in December
Proberta, CA
- Average sunshine days in December: 18.5 days
The months with the most sunshine days are July and August (29.3 days).
The month with the least sunshine days is March (14.9 days).
Average UV index in December
Proberta, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Proberta, CA
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Proberta, 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).
Proberta, California, USA
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