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
In Brawley, California, the lowest average temperatures are observed in December, with a high of 67.3°F (19.6°C) and a low of 50.4°F (10.2°C).Humidity
With an average relative humidity of 40%, December is the most humid month.Rainfall
In Brawley, in December, during 2.4 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Brawley, California, during the entire year, the rain falls for 31.2 days and collects up to 3.27" (83mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:27 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 4:46 pm PST.
Sunshine
With an average of 7h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 4, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during December translates into the following guidance:
Act with care - Obligation to protect against skin and eye damage is highlighted. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Brawley, CA
- Average high temperature in December: 67.3°F
The warmest months (with the highest average high temperature) are July and August (107.2°F).
The month with the lowest average high temperature is December (67.3°F).
- Average low temperature in December: 50.4°F
The month with the highest average low temperature is August (85.6°F).
The coldest months (with the lowest average low temperature) are January and December (50.4°F).
Average pressure in December
Brawley, CA
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in December
Brawley, CA
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in December
Brawley, CA
- Average humidity in December: 40%
The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (22%).
Average rainfall in December
Brawley, CA
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in December
Brawley, CA
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is July (6.4 days).
The month with the least rainy days is May (0.8 days).
Average daylight in December /
Average sunshine in December
Brawley, 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: 7h and 0min
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: 7h and 0min).
Average sunshine days in December
Brawley, CA
- Average sunshine days in December: 28.4 days
The month with the most sunshine days is May (30.1 days).
The month with the least sunshine days is August (21.6 days).
Average UV index in December
Brawley, CA
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Brawley, CA
- Average cloud cover in December: 18
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Brawley, 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).
Brawley, California, USA
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