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
During February and December, Del Mar registers its lowest temperatures, averaging a high of 63°F (17.2°C).Humidity
The average relative humidity in December in Del Mar is 63%.Rainfall
The month with the most rainfall is December, when the rain falls for 5.3 days and typically aggregates up to 1.06" (27mm) of precipitation.Daylight
The month with the shortest days in Del Mar is December, with an average of 10h and 0min of daylight.On the first day of December in Del Mar, sunrise is at 6:34 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:53 pm PST.
Sunshine
December has the least sunshine of the year in Del Mar, California, with an average of 6.6h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in December translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the coldest time of year in Del Mar?
What are December temperatures in Del Mar?
What is the average humidity in December in Del Mar?
What is the wettest month in Del Mar?
How many days does it rain in December in Del Mar?
What is the month with the shortest days in Del Mar?
How many hours of daylight does Del Mar have in December?
When are sunrise and sunset in December in Del Mar?
What is the month with the least sunshine in Del Mar?
How many hours of sunshine does Del Mar have in December?
What are the months with the lowest UV index in Del Mar?
How high is the UV index in December in Del Mar?
Average temperature in December
Del Mar, CA
- Average high temperature in December: 63°F
The warmest month (with the highest average high temperature) is September (76.6°F).
The months with the lowest average high temperature are February and December (63°F).
- Average low temperature in December: 52.5°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 (51.8°F).
Average pressure in December
Del Mar, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in December
Del Mar, CA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).
Average humidity in December
Del Mar, CA
- Average humidity in December: 63%
The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).
Average rainfall in December
Del Mar, CA
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is December (1.06").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Del Mar, CA
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is August (2.8 days).
Average daylight in December /
Average sunshine in December
Del Mar, 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 July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in December
Del Mar, CA
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is October (25.9 days).
The month with the least sunshine days is February (21 days).
Average UV index in December
Del Mar, CA
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Del Mar, CA
- Average cloud cover in December: 24
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Del Mar, 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).
Del Mar, California, USA
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