December weather forecastPalm Desert, CA
December
Weather in December
The arrival of December in Palm Desert brings the chilly winter setting, characterized by significantly diminished temperatures. Compared to November, there’s an observable dip in conditions with the highest temperature typically settling around 58.1°F (14.5°C). Cloud cover surges to 19%, providing further coolness to the chilly month. With rainfall at approximately 0.71" (18mm), the month sees an increase in moisture. As daylight hours shorten further, December highlights Palm Desert's essential winter characteristics, wrapping up the year with its unique cold desert charm.Temperature
The lowest temperatures are recorded in December, with averages reaching a high of 58.1°F (14.5°C) and a low of 43.5°F (6.4°C).Humidity
The most humid month is December, with an average relative humidity of 47%.Rainfall
In Palm Desert, during December, the rain falls for 4.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Palm Desert, California, during the entire year, the rain falls for 51.6 days and collects up to 6.06" (154mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:32 am and sunset at 4:36 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:47 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 7h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Palm Desert, CA
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in December: 43.5°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).
Average pressure in December
Palm Desert, 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
Palm Desert, CA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in December
Palm Desert, CA
- Average humidity in December: 47%
The month with the highest relative humidity is December (47%).
The months with the lowest relative humidity are June, July and August (29%).
Average rainfall in December
Palm Desert, CA
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in December
Palm Desert, CA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is June (1.8 days).
Average daylight in December /
Average sunshine in December
Palm Desert, 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 0min
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 0min).
Average sunshine days in December
Palm Desert, CA
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is October (27.5 days).
The month with the least sunshine days is July (18.3 days).
Average UV index in December
Palm Desert, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Palm Desert, CA
- Average cloud cover in December: 19
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Palm Desert, 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).
