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 stands out as Fort Jones's coldest month, with an average high-temperature of 41.5°F (5.3°C) and a low-temperature of 26.6°F (-3°C).Humidity
In December, the average relative humidity is 81%.Rainfall
December is the month with the most rainfall. Rain falls for 12.8 days and accumulates 2.99" (76mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Fort Jones, California, in December, during 6.1 snowfall days, 4.13" (105mm) of snow is typically accumulated. Throughout the year, there are 30.9 snowfall days, and 20.47" (520mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Fort Jones, sunrise is at 7:19 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:51 pm PST.
Sunshine
January and December, with an average of 5.7h of sunshine, are months with the least 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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in December?
What is the average humidity in December in Fort Jones?
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?
How many hours of daylight does Fort Jones have in December?
What time are sunrise and sunset in December in Fort Jones?
What is the month with the least sunshine?
How many hours of sunshine does Fort Jones have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Fort Jones, CA
- Average high temperature in December: 41.5°F
The warmest months (with the highest average high temperature) are July and August (84.2°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure in December
Fort Jones, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in December
Fort Jones, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Fort Jones, CA
- Average humidity in December: 81%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Fort Jones, CA
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Fort Jones, CA
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is July (3.2 days).
Average snowfall in December
Fort Jones, CA
- Average snowfall in December: 4.13"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Fort Jones, CA
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fort Jones, CA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in December
Fort Jones, CA
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11 days).
Average UV index in December
Fort Jones, CA
- Average UV index in December: 2
The month with the highest UV index is 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
Fort Jones, CA
- Average cloud cover in December: 43
The months with the most cloud cover are March and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Fort Jones, CA
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Fort Jones, California, USA
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