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, known for its average high temperature of 58.1°F (14.5°C) and an average low temperature of 41.9°F (5.5°C), is the coldest month.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 63%.Rainfall
In Delano, during December, the rain falls for 6.9 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Delano, there are 52 rainfall days, and 6.85" (174mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:49 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:53 pm PST.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the UV index of 3 transforms into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Delano have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Delano, CA
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is July (99.7°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in December
Delano, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Delano, CA
- Average wind speed in December: 3.5mph
The windiest month (with the highest average wind speed) is June (5mph).
The calmest months (with the lowest average wind speed) are November and December (3.5mph).
Average humidity in December
Delano, CA
- Average humidity in December: 63%
The months with the highest relative humidity are January and December (63%).
The month with the lowest relative humidity is August (30%).
Average rainfall in December
Delano, CA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is March (1.34").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in December
Delano, CA
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.9 days).
Average snowfall in December
Delano, CA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Delano, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Delano, 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 month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Delano, CA
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (20.7 days).
Average UV index in December
Delano, 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 November and December (UV index 3).
Average cloud cover in December
Delano, CA
- Average cloud cover in December: 25
The months with the most cloud cover are March and December (Cloud cover 25).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in December
Delano, 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).
Delano, California, USA
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