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
December is Boron's coldest month, registering average high temperatures of 55°F (12.8°C) and lows of 38.1°F (3.4°C).Humidity
December is the most humid month, with an average relative humidity of 51%.Rainfall
December is the month with the most rainfall in Boron, California. Rain falls for 4.9 days and accumulates 0.83" (21mm) of precipitation.Snowfall
Months with snowfall are January, November and December. In Boron, in December, during 0.1 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Boron, during the entire year, snow falls for 0.7 days and aggregates up to 1.1" (28mm) of snow.Daylight
December has the shortest days of the year in Boron, with an average of 9h and 48min of daylight.On the first day of December in Boron, sunrise is at 6:40 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:49 pm PST.
Sunshine
In Boron, the average sunshine in December is 7.1h.UV index
The months with the lowest UV index in Boron, California, are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 3 transforms into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the coldest month in Boron?
What is the usual temperature for Boron in December?
What is the most humid month in Boron?
What is the average humidity in December in Boron?
What is the rainiest month in Boron?
How many days does it rain in December in Boron?
How much does it snow in Boron in December?
What is the month with the shortest days in Boron?
What is the average length of the day in December in Boron?
When is the sunrise / sunset in December in Boron?
How many hours of sunshine does Boron have in December?
When is the lowest UV index in Boron?
What is the UV index intensity in December in Boron?
Average temperature in December
Boron, CA
- Average high temperature in December: 55°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is August (70.3°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).
Average pressure in December
Boron, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Boron, CA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is May (11.8mph).
The calmest month (with the lowest average wind speed) is January (6.5mph).
Average humidity in December
Boron, CA
- Average humidity in December: 51%
The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (24%).
Average rainfall in December
Boron, CA
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is December (0.83").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Boron, CA
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is March (5.5 days).
The month with the least rainy days is June (0.9 days).
Average snowfall in December
Boron, CA
- Average snowfall in December: 0.28"
The month with the highest snowfall is November (0.71").
The months with the least snowfall are February, March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Boron, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Boron, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 7h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in December
Boron, CA
- Average sunshine days in December: 25 days
The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in December
Boron, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Boron, CA
- Average cloud cover in December: 19
The months with the most cloud cover are March and December (Cloud cover 19).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in December
Boron, 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).
Boron, California, USA
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