December weather forecast and climate
El Centro, CA

Weather in December

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

Temperature

With an average high-temperature of 66.4°F (19.1°C) and an average low-temperature of 50°F (10°C), December is the coldest month.

Humidity

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

Rainfall

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 in El Centro, California, is December, with an average of 10h of daylight.

Sunshine

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

UV index

The month with the lowest UV index in El Centro is December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the coldest month in El Centro?

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

What is the temperature in December in El Centro?

In El Centro, California, in December, the average high-temperature is 66.4°F (19.1°C), and the average low-temperature is 50°F (10°C).

What is the most humid month in El Centro?

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

What is the average humidity in December in El Centro?

The average relative humidity in December in El Centro, California, is 40%.

How many days does it rain in December in El Centro?

In December, in El Centro, the rain falls for 1 days. Throughout December, 0.08" (2mm) of precipitation is accumulated.

What is the wettest month in El Centro?

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

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 of daylight.

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

The average length of the day in December in El Centro is 10h.

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

December has the least sunshine of the year, with an average of 7.1h of sunshine.

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

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

When is the lowest UV index in El Centro?

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

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

The average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

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).

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Average pressure in December
El Centro, CA

Average pressure in December - El Centro, CA
  • Average pressure in December: 30.05"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.78").

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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).

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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%).

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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").

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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).

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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

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 7.1h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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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).

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Average UV index in December
El Centro, CA

Average UV index in December - El Centro, CA
  • Average UV index in December: 4

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
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).

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Average visibility in December
El Centro, CA

Average visibility in December - El Centro, CA
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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