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, known for its average high temperature of 54°F (12.2°C) and an average low temperature of 38.8°F (3.8°C), is the coldest month.Humidity
The average relative humidity in December is 69%.Rainfall
In Campo Seco, in December, during 9.5 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Campo Seco, during the entire year, the rain falls for 72.9 days and collects up to 18.66" (474mm) of precipitation.Snowfall
December is the only month when snow falls. December is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.04" (1mm) 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 7:01 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:53 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 3 during December translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December in Campo Seco?
When does it snow the most?
When does it start to snow in Campo Seco?
What is the month with the shortest days?
How many hours of daylight does Campo Seco 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 Campo Seco have in December?
What is the month with the lowest UV index in Campo Seco?
What is the UV index reading in December?
Average temperature in December
Campo Seco, CA
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in December: 38.8°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (38.8°F).
Average pressure in December
Campo Seco, 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 (29.91"Hg).
Average wind speed in December
Campo Seco, CA
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is February (5.6mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity in December
Campo Seco, CA
- Average humidity in December: 69%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (40%).
Average rainfall in December
Campo Seco, CA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is March (3.66").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Campo Seco, CA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in December
Campo Seco, CA
- Average snowfall in December: 0.04"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Campo Seco, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Campo Seco, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Campo Seco, CA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (16.9 days).
Average UV index in December
Campo Seco, 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
Campo Seco, CA
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Campo Seco, 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).
Campo Seco, California, USA
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