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
Dillon Beach's December weather, with an average high temperature of 55.4°F (13°C) and an average low temperature of 45.3°F (7.4°C), tends to be the coldest of the year.Humidity
The average relative humidity in December is 75%.Rainfall
In Dillon Beach, in December, during 12 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Dillon Beach, during the entire year, the rain falls for 83.1 days and collects up to 20" (508mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:02 pm PST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year in Dillon Beach.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Dillon Beach. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the coldest time of year in Dillon Beach?
What are the temperatures in Dillon Beach in December?
What is the average humidity in December in Dillon Beach?
How much does it rain in Dillon Beach in December?
What is the month with the shortest days in Dillon Beach?
How many hours of daylight does Dillon Beach have in December?
When is the sunrise / sunset in December in Dillon Beach?
What is the month with the least sunshine in Dillon Beach?
How long on average sun shines in December in Dillon Beach?
When is the lowest UV index in Dillon Beach?
What is the UV index intensity in December in Dillon Beach?
Average temperature in December
Dillon Beach, CA
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in December: 45.3°F
The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).
Average pressure in December
Dillon Beach, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.92"Hg).
Average wind speed in December
Dillon Beach, CA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is November (6.7mph).
Average humidity in December
Dillon Beach, CA
- Average humidity in December: 75%
The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in December
Dillon Beach, CA
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in December
Dillon Beach, CA
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is March (14.4 days).
The month with the least rainy days is August (1.1 days).
Average daylight in December /
Average sunshine in December
Dillon Beach, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Dillon Beach, CA
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in December
Dillon Beach, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Dillon Beach, CA
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in December
Dillon Beach, 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).
Dillon Beach, California, USA
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