December weather forecast
El Segundo, CA

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Weather in December

The first month of the winter, December, is also an enjoyable month in El Segundo, California, with an average temperature fluctuating between 63.9°F (17.7°C) and 51.8°F (11°C).

Temperature

El Segundo witnesses the coldest weather in December, with temperatures averaging a high of 63.9°F (17.7°C) and a low of 51.8°F (11°C).

Humidity

In El Segundo, the average relative humidity in December is 57%.

Rainfall

In El Segundo, during December, the rain falls for 3.5 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 33 rainfall days, and 3.11" (79mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:41 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:55 pm PST.

Sunshine

January, February and December, with an average of 6.7h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 4 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What is the coldest time of year?

El Segundo's coldest month, December, generally records average temperatures ranging from a high of 63.9°F (17.7°C) to a low of 51.8°F (11°C).

What is the usual temperature for El Segundo in December?

An average high-temperature, in December, in El Segundo, is 63.9°F (17.7°C) and the average low-temperature is 51.8°F (11°C).

What is the average humidity in December?

In El Segundo, the average relative humidity in December is 57%.

How many days does it rain in December?

In El Segundo, during December, the rain falls for 3.5 days and regularly aggregates up to 0.47" (12mm) of precipitation.

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

December has the shortest days of the year, with an average of 9h and 54min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 56min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:41 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:55 pm PST.

What are the months with the least sunshine?

January, February and December, with an average of 6.7h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December in El Segundo is 6.7h.

What is the month with the lowest UV index?

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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 Segundo, CA

Average temperature in December - El Segundo, CA
  • Average high temperature in December: 63.9°F

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (63.9°F).

  • Average low temperature in December: 51.8°F

The month with the highest average low temperature is August (64.6°F).
The coldest month (with the lowest average low temperature) is February (51.4°F).

Average pressure in December
El Segundo, CA

Average pressure in December - El Segundo, CA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).

Average wind speed in December
El Segundo, CA

Average wind speed in December - El Segundo, CA
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
El Segundo, CA

Average humidity in December - El Segundo, CA
  • Average humidity in December: 57%

The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (55%).

Average rainfall in December
El Segundo, CA

Average rainfall in December - El Segundo, CA
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is February (0.63").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in December
El Segundo, CA

Average rainfall days in December - El Segundo, CA
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is March (5.9 days).
The months with the least rainy days are June and August (0.9 days).

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

Average daylight in December / Average sunshine in December - El Segundo, CA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).

Average sunshine days in December
El Segundo, CA

Average sunshine days in December - El Segundo, CA
  • Average sunshine days in December: 27 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (23.6 days).

Average UV index in December
El Segundo, CA

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

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in December
El Segundo, CA

Average cloud cover in December - El Segundo, CA
  • Average cloud cover in December: 23

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in December
El Segundo, CA

Average visibility in December - El Segundo, 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 Segundo, California, USA

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