December weather forecast
Calexico, CA

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A scenic setting of a small water body and nearby palm trees in the Valents Park in Calexico City, California
A scenic setting of a small water body and nearby palm trees in the Valents Park in Calexico City, California

Weather in December

The first month of the winter, December, is also an enjoyable month in Calexico, California, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 67.5°F (19.7°C).

Temperature

With average high temperatures of 67.5°F (19.7°C) and lows of 50.5°F (10.3°C), December is the coldest month.

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 38%.

Rainfall

In Calexico, California, during December, the rain falls for 2 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Calexico, during the entire year, the rain falls for 24.1 days and collects up to 2.44" (62mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:26 am and sunset at 4:35 pm. On the last day of December, in Calexico, sunrise is at 6:44 am and sunset at 4:46 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 7.1h of sunshine.

UV index

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 health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the UV index of 4 transforms into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What time of the year is the coldest in Calexico?

December is the coldest month in Calexico, California, with an average high-temperature of 67.5°F (19.7°C) and an average low-temperature of 50.5°F (10.3°C).

What is the average December temperature in Calexico?

In December, in Calexico, the average high-temperature is 67.5°F (19.7°C), and the average low-temperature is 50.5°F (10.3°C).

What are the most humid months in Calexico?

The months with the highest humidity in Calexico, California, are January and December, with an average relative humidity of 38%.

What is the average humidity in December in Calexico?

The average relative humidity in December in Calexico, California, is 38%.

How much does it rain in Calexico in December?

In Calexico, California, in December, during 2 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

What is the month with the shortest days in Calexico?

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

How many hours of daylight does Calexico have in December?

The average day length in December in Calexico, California, is 10h and 2min.

When is the sunrise / sunset in December in Calexico?

On the first day of December in Calexico, sunrise is at 6:26 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 Calexico?

With an average of 7.1h of sunshine, December has the least sunshine of the year in Calexico.

How many hours of sunshine does Calexico have in December?

The average sunshine duration in December is 7.1h.

What are the months with the lowest UV index in Calexico?

November and December, with an average maximum UV index of 4, are months with the lowest UV index in Calexico.

What is the UV index intensity in December in Calexico?

In Calexico, California, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Calexico, CA

Average temperature in December - Calexico, CA
  • Average high temperature in December: 67.5°F

The warmest month (with the highest average high temperature) is July (107.2°F).
The month with the lowest average high temperature is December (67.5°F).

  • Average low temperature in December: 50.5°F

The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).

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Average pressure in December
Calexico, CA

Average pressure in December - Calexico, CA
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).

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Average wind speed in December
Calexico, CA

Average wind speed in December - Calexico, CA
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Calexico, CA

Average humidity in December - Calexico, CA
  • Average humidity in December: 38%

The months with the highest relative humidity are January and December (38%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in December
Calexico, CA

Average rainfall in December - Calexico, CA
  • Average rainfall in December: 0.2"

The wettest month (with the highest rainfall) is July (0.43").
The driest month (with the least rainfall) is May (0.04").

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Average rainfall days in December
Calexico, CA

Average rainfall days in December - Calexico, CA
  • Average rainfall days in December: 2 days

The month with the highest number of rainy days is July (4.8 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
Calexico, CA

Average daylight in December / Average sunshine in December - Calexico, 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 1min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in December
Calexico, CA

Average sunshine days in December - Calexico, CA
  • Average sunshine days in December: 29 days

The month with the most sunshine days is May (30.1 days).
The month with the least sunshine days is July (23.9 days).

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Average UV index in December
Calexico, CA

Average UV index in December - Calexico, CA
  • Average UV index in December: 4

The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are November and December (UV index 4).

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Average cloud cover in December
Calexico, CA

Average cloud cover in December - Calexico, CA
  • Average cloud cover in December: 17

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in December
Calexico, CA

Average visibility in December - Calexico, 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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Calexico, California, USA

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