December weather forecast
Brawley, CA

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Weather in December

The first month of the winter, December, is still a comfortable month in Brawley, California, with temperature in the range of an average high of 67.3°F (19.6°C) and an average low of 50.4°F (10.2°C).

Temperature

December stands out as Brawley's coldest month, with temperatures ranging between an average high of 67.3°F (19.6°C) and a low of 50.4°F (10.2°C).

Humidity

The most humid month is December, with an average relative humidity of 40%.

Rainfall

In Brawley, in December, during 2.4 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, in Brawley, there are 31.2 rainfall days, and 3.27" (83mm) of precipitation is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
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 in Brawley.

UV index

With an average maximum UV index of 4, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 4 during December translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What month is the coldest in Brawley?

The month of December sees the average lowest temperatures in Brawley, California, reaching 67.3°F (19.6°C) at the peak and 50.4°F (10.2°C) at the low.

What are the temperatures in Brawley in December?

An average high-temperature, in December, in Brawley, is 67.3°F (19.6°C) and the average low-temperature is 50.4°F (10.2°C).

What is the most humid month in Brawley?

The most humid month in Brawley is December, with an average relative humidity of 40%.

What is the average humidity in December in Brawley?

In Brawley, the average relative humidity in December is 40%.

How much does it rain in Brawley in December?

In Brawley, in December, during 2.4 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

What is the month with the shortest days in Brawley?

December has the shortest days of the year in Brawley, California, with an average of 10h and 0min of daylight.

How many hours of daylight does Brawley have in December?

The average day length in December in Brawley is 10h and 1min.

What time are sunrise and sunset in December in Brawley?

On the first day of December in Brawley, 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.

What is the month with the least sunshine in Brawley?

December has the least sunshine of the year in Brawley, with an average of 7h of sunshine.

How many hours of sunshine does Brawley have in December?

In December, the average sunshine duration is 7h.

When is the lowest UV index in Brawley?

December is the month with the lowest UV index in Brawley, with an average maximum UV index of 4.

What is the UV index reading in December in Brawley?

In Brawley, California, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Brawley, CA

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).

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Average pressure in December
Brawley, CA

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).

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Average wind speed in December
Brawley, CA

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).

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Average humidity in December
Brawley, CA

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%).

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Average rainfall in December
Brawley, CA

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").

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Average rainfall days in December
Brawley, CA

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).

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Average daylight in December /
Average sunshine in December
Brawley, CA

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).

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Average sunshine days in December
Brawley, CA

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).

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Average UV index in December
Brawley, CA

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).

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Average cloud cover in December
Brawley, CA

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).

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Average visibility in December
Brawley, CA

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).

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Brawley, California, USA

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