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 brings the lowest temperatures, with an average high of 48.7°F (9.3°C) and an average low of 30.9°F (-0.6°C).Humidity
The average relative humidity in December is 57%.Rainfall
In December, the rain falls for 7.3 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 61 rainfall days, and 11.81" (300mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Weldon, California, in December, snow falls for 1.5 days, with typically accumulated 0.71" (18mm) of snow. In Weldon, during the entire year, snow falls for 9.1 days and aggregates up to 9.13" (232mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:45 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:50 pm PST.
Sunshine
January, February and December, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What is the usual temperature for Weldon in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine in Weldon?
How many hours of sunshine does Weldon have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Weldon, CA
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (48.7°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is December (30.9°F).
Average pressure in December
Weldon, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Weldon, CA
- Average wind speed in December: 5.6mph
The windiest months (with the highest average wind speed) are May and June (7.3mph).
The calmest months (with the lowest average wind speed) are January and September (5.4mph).
Average humidity in December
Weldon, CA
- Average humidity in December: 57%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is August (31%).
Average rainfall in December
Weldon, CA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is January (2.48").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Weldon, CA
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in December
Weldon, CA
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Weldon, CA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.7 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
Weldon, 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: 6h and 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days in December
Weldon, CA
- Average sunshine days in December: 22 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (19 days).
Average UV index in December
Weldon, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Weldon, CA
- Average cloud cover in December: 23
The month with the most cloud cover is March (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in December
Weldon, 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).
Weldon, California, USA
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