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 61.3°F (16.3°C) and an average low-temperature of 44.6°F (7°C), December is the coldest month.Humidity
In December, the average relative humidity is 57%.Rainfall
In Descanso, in December, it is raining for 5.5 days, with typically 0.71" (18mm) of accumulated precipitation. In Descanso, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Descanso.On the first day of December in Descanso, sunrise is at 6:31 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:50 pm PST.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year in Descanso, California.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What time of the year is the coldest in Descanso?
What is the usual temperature for Descanso in December?
What is the average humidity in December in Descanso?
How much does it rain in Descanso in December?
What is the month with the shortest days in Descanso?
What is the average length of the day in December in Descanso?
What time are sunrise and sunset in December in Descanso?
What is the month with the least sunshine in Descanso?
How long on average sun shines in December in Descanso?
What is the month with the lowest UV index in Descanso?
How high is the UV index in December in Descanso?
Average temperature in December
Descanso, CA
- Average high temperature in December: 61.3°F
The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in December: 44.6°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).
Average pressure in December
Descanso, 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 (29.85"Hg).
Average wind speed in December
Descanso, CA
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in December
Descanso, CA
- Average humidity in December: 57%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).
Average rainfall in December
Descanso, CA
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Descanso, CA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).
Average daylight in December /
Average sunshine in December
Descanso, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Descanso, CA
- Average sunshine days in December: 24 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in December
Descanso, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Descanso, CA
- Average cloud cover in December: 23
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Descanso, 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).
Descanso, California, USA
Weather forecast for your location
2. Allow the app to use your location
