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 the coldest month, exhibiting average temperatures of 60.6°F (15.9°C) at the peak and 46.8°F (8.2°C) at the base.Humidity
With an average relative humidity of 46%, December is the most humid month in Thermal.Rainfall
In Thermal, California, in December, it is raining for 5 days, with typically 0.55" (14mm) of accumulated precipitation. In Thermal, during the entire year, the rain falls for 46.2 days and collects up to 4.09" (104mm) of precipitation.Daylight
The month with the shortest days in Thermal, California, is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:31 am and sunset at 4:36 pm. On the last day of December, in Thermal, sunrise is at 6:48 am and sunset at 4:46 pm PST.
Sunshine
With an average of 7.1h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What month is the coldest in Thermal?
What is the average December temperature in Thermal?
What is the most humid month in Thermal?
What is the average humidity in December in Thermal?
How much does it rain in Thermal in December?
What is the month with the shortest days in Thermal?
How many hours of daylight does Thermal have in December?
When are sunrise and sunset in December in Thermal?
What is the month with the least sunshine in Thermal?
How many hours of sunshine does Thermal have in December?
What is the month with the lowest UV index in Thermal?
What is the UV index intensity in December in Thermal?
Average temperature in December
Thermal, CA
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in December
Thermal, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in December
Thermal, CA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in December
Thermal, CA
- Average humidity in December: 46%
The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).
Average rainfall in December
Thermal, CA
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in December
Thermal, CA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.5 days).
Average daylight in December /
Average sunshine in December
Thermal, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 7h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in December
Thermal, CA
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in December
Thermal, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Thermal, CA
- Average cloud cover in December: 17
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in December
Thermal, 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).
Thermal, California, USA
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