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 the coldest month of the year, registering average temperatures as high as 48.9°F (9.4°C) and as low as 32.9°F (0.5°C).Humidity
In December, the average relative humidity is 64%.Rainfall
In Bootjack, during December, the rain falls for 7.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Bootjack, during the entire year, the rain falls for 73.5 days and collects up to 19.69" (500mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 1.3 days. Throughout December, 1.06" (27mm) of snow is accumulated. In Bootjack, California, during the entire year, snow falls for 9.4 days and aggregates up to 14.57" (370mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:56 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:51 pm PST.
Sunshine
In December, the average sunshine in Bootjack is 6.4h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Bootjack?
What is the usual temperature for Bootjack in December?
What is the average humidity in December in Bootjack?
How many days does it rain in December in Bootjack?
How many days does it snow in December in Bootjack?
What is the month with the shortest days in Bootjack?
What is the average length of the day in December in Bootjack?
What time are sunrise and sunset in December in Bootjack?
How long on average sun shines in December in Bootjack?
When is the lowest UV index in Bootjack?
How high is the UV index in December in Bootjack?
Average temperature in December
Bootjack, CA
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is December (48.9°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (58.8°F).
The coldest months (with the lowest average low temperature) are February and December (32.9°F).
Average pressure in December
Bootjack, 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
Bootjack, CA
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest months (with the lowest average wind speed) are November and December (4.3mph).
Average humidity in December
Bootjack, CA
- Average humidity in December: 64%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in December
Bootjack, CA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is August (0.12").
Average rainfall days in December
Bootjack, CA
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in December
Bootjack, CA
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Bootjack, CA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Bootjack, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in December
Bootjack, CA
- Average sunshine days in December: 21.9 days
The months with the most sunshine days are August and October (26.5 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in December
Bootjack, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Bootjack, CA
- Average cloud cover in December: 27
The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Bootjack, 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).
Bootjack, California, USA
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