December weather forecast
El Centro, CA

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Weather in December

December, the first month of the winter in El Centro, is still a refreshing month, with an average temperature ranging between max 66.4°F (19.1°C) and min 50°F (10°C).

Temperature

In El Centro, December is the coldest month, with temperatures averaging a high of 66.4°F (19.1°C) and a low of 50°F (10°C).

Humidity

With an average relative humidity of 40%, December is the most humid month.

Rainfall

The months with the most rainfall are March, April, July through September and December, with an average 0.08" (2mm) 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

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during December leads to these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What time of the year is the coldest in El Centro?

December, with its high-temperature average of 66.4°F (19.1°C) and a low-temperature average of 50°F (10°C), is the coldest month in El Centro.

What are December temperatures in El Centro?

During December, El Centro experiences an average high-temperature of 66.4°F (19.1°C) and a low-temperature of 50°F (10°C).

What is the most humid month in El Centro?

With an average relative humidity of 40%, December is the most humid month in El Centro, California.

What is the average humidity in December in El Centro?

In December, the average relative humidity is 40%.

What is the wettest month in El Centro?

The months with the most rainfall in El Centro are March, April, July through September and December, with an average 0.08" (2mm) of precipitation.

How much does it rain in El Centro in December?

In El Centro, in December, during 1 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

What is the month with the shortest days in El Centro?

The month with the shortest days in El Centro is December, with an average of 10h and 0min of daylight.

How many hours of daylight does El Centro have in December?

In December, the average day length in El Centro, California, is 10h and 2min.

What time are sunrise and sunset in December in El Centro?

In December, on the first day of the month, sunrise is at 6:27 am and sunset at 4:35 pm. On the last day of the month, in El Centro, sunrise is at 6:44 am and sunset at 4:46 pm PST.

What is the month with the least sunshine in El Centro?

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

How many hours of sunshine does El Centro have in December?

In El Centro, California, the average sunshine duration in December is 7.1h.

When is the lowest UV index in El Centro?

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

What is the UV index reading in December in El Centro?

In El Centro, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
El Centro, CA

Average temperature in December - El Centro, CA
  • Average high temperature in December: 66.4°F

The warmest month (with the highest average high temperature) is July (106.7°F).
The month with the lowest average high temperature is December (66.4°F).

  • Average low temperature in December: 50°F

The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is January (49.8°F).

Average pressure in December
El Centro, CA

Average pressure in December - El Centro, 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
El Centro, CA

Average wind speed in December - El Centro, CA
  • Average wind speed in December: 5.4mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

Average humidity in December
El Centro, CA

Average humidity in December - El Centro, 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 (21%).

Average rainfall in December
El Centro, CA

Average rainfall in December - El Centro, CA
  • Average rainfall in December: 0.08"

The wettest months (with the highest rainfall) are March, April, July, August, September and December (0.08").
The driest months (with the least rainfall) are May and June (0").

Average rainfall days in December
El Centro, CA

Average rainfall days in December - El Centro, CA
  • Average rainfall days in December: 1 days

The month with the highest number of rainy days is July (2.8 days).
The month with the least rainy days is May (0.3 days).

Average daylight in December /
Average sunshine in December
El Centro, CA

Average daylight in December / Average sunshine in December - El Centro, 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 month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in December
El Centro, CA

Average sunshine days in December - El Centro, CA
  • Average sunshine days in December: 29.8 days

The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is August (25.8 days).

Average UV index in December
El Centro, CA

Average UV index in December - El Centro, 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
El Centro, CA

Average cloud cover in December - El Centro, 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 4).

Average visibility in December
El Centro, CA

Average visibility in December - El Centro, 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).

El Centro, California, USA

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