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
With an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 42.1°F (5.6°C), December is the coldest month.Humidity
In December, the average relative humidity is 66%.Rainfall
In December, the rain falls for 8.1 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. In Selma, during the entire year, the rain falls for 60.9 days and collects up to 12.48" (317mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:53 pm PST.
Sunshine
With an average of 6.3h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the usual temperature for Selma in December?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days in Selma?
What is the average length of the day in December in Selma?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Selma have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Selma, CA
- Average high temperature in December: 56.5°F
The warmest month (with the highest average high temperature) is July (100.9°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).
Average pressure in December
Selma, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Selma, CA
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January, November and December (4.2mph).
Average humidity in December
Selma, CA
- Average humidity in December: 66%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is July (29%).
Average rainfall in December
Selma, CA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is March (2.32").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in December
Selma, CA
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.9 days).
Average daylight in December /
Average sunshine in December
Selma, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Selma, CA
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (19.4 days).
Average UV index in December
Selma, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Selma, CA
- Average cloud cover in December: 28
The month with the most cloud cover is March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in December
Selma, 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).
Selma, California, USA
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