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 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 marked by a subtle drop in average high-temperatures, transitioning from a refreshing 64.9°F (18.3°C) in November to a mild 59.5°F (15.3°C). During December, the average low-temperature is a fresh 50°F (10°C).Humidity
The average relative humidity in December is 59%.Rainfall
In Wadstrom, California, in December, during 5.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 47.8 rainfall days, and 6.97" (177mm) of precipitation is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December in Wadstrom, sunrise is at 6:45 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:57 pm PST.
Sunshine
January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 3 transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in Wadstrom in December?
What is the month with the shortest days?
How many hours of daylight does Wadstrom have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine in Wadstrom?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Wadstrom, CA
- Average high temperature in December: 59.5°F
The warmest months (with the highest average high temperature) are August and September (74.3°F).
The month with the lowest average high temperature is February (59°F).
- Average low temperature in December: 50°F
The month with the highest average low temperature is August (62.6°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).
Average pressure in December
Wadstrom, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.9"Hg).
Average wind speed in December
Wadstrom, CA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in December
Wadstrom, CA
- Average humidity in December: 59%
The months with the highest relative humidity are June and July (69%).
The month with the lowest relative humidity is November (56%).
Average rainfall in December
Wadstrom, CA
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is January (1.34").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Wadstrom, CA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is August (2.1 days).
Average daylight in December /
Average sunshine in December
Wadstrom, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in December
Wadstrom, CA
- Average sunshine days in December: 24.6 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (20.4 days).
Average UV index in December
Wadstrom, CA
- Average UV index in December: 3
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Wadstrom, CA
- Average cloud cover in December: 21
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Wadstrom, 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).
Wadstrom, California, USA
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