December weather forecast
La Habra Heights, CA

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Weather in December

December, the first month of the winter in La Habra Heights, is still a refreshing month, with an average temperature varying between 64.6°F (18.1°C) and 50.2°F (10.1°C).

Temperature

La Habra Heights's December weather, with an average high temperature of 64.6°F (18.1°C) and an average low temperature of 50.2°F (10.1°C), tends to be the coldest of the year.

Humidity

The average relative humidity in December is 53%.

Rainfall

December is the month with the most rainfall in La Habra Heights, California. Rain falls for 5.8 days and accumulates 1.5" (38mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:39 am and sunset at 4:42 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:53 pm PST.

Sunshine

The months with the least sunshine in La Habra Heights are January, February and December, with an average of 6.8h of sunshine.

UV index

February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 during December translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What are the coldest months in La Habra Heights?

December, with an average high of 64.6°F (18.1°C) and a low of 50.2°F (10.1°C), signifies the coldest month of the year.

What are the temperatures in La Habra Heights in December?

In December, the average high-temperature and low-temperature are 64.6°F (18.1°C) and 50.2°F (10.1°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in September is appraised at 86°F (30°C).

What is the average humidity in December in La Habra Heights?

The average relative humidity in December is 53%.

What is the rainiest month in La Habra Heights?

December is the month with the most rainfall in La Habra Heights. Rain falls for 5.8 days and accumulates 1.5" (38mm) of precipitation.

How many days does it rain in December in La Habra Heights?

In La Habra Heights, during December, the rain falls for 5.8 days and regularly aggregates up to 1.5" (38mm) of precipitation.

What is the month with the shortest days in La Habra Heights?

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

What is the average length of the day in December in La Habra Heights?

In December, the average day length in La Habra Heights, California, is 9h and 56min.

When are sunrise and sunset in December in La Habra Heights?

In December, on the first day of the month, sunrise is at 6:39 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:53 pm PST.

What is the month with the least sunshine in La Habra Heights?

January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine in La Habra Heights.

How many hours of sunshine does La Habra Heights have in December?

In La Habra Heights, California, the average sunshine duration in December is 6.8h.

What is the month with the lowest UV index in La Habra Heights?

February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in La Habra Heights.

What is the UV index reading in December in La Habra Heights?

The average daily maximum UV index in December in La Habra Heights, California, is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
La Habra Heights, CA

Average temperature in December - La Habra Heights, CA
  • Average high temperature in December: 64.6°F

The warmest month (with the highest average high temperature) is August (86°F).
The month with the lowest average high temperature is December (64.6°F).

  • Average low temperature in December: 50.2°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (49.8°F).

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Average pressure in December
La Habra Heights, CA

Average pressure in December - La Habra Heights, CA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
La Habra Heights, CA

Average wind speed in December - La Habra Heights, CA
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).

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Average humidity in December
La Habra Heights, CA

Average humidity in December - La Habra Heights, CA
  • Average humidity in December: 53%

The month with the highest relative humidity is June (62%).
The month with the lowest relative humidity is November (49%).

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Average rainfall in December
La Habra Heights, CA

Average rainfall in December - La Habra Heights, CA
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
La Habra Heights, CA

Average rainfall days in December - La Habra Heights, CA
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.3 days).

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Average daylight in December /
Average sunshine in December
La Habra Heights, CA

Average daylight in December / Average sunshine in December - La Habra Heights, 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 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

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Average sunshine days in December
La Habra Heights, CA

Average sunshine days in December - La Habra Heights, CA
  • Average sunshine days in December: 23.7 days

The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (22.1 days).

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Average UV index in December
La Habra Heights, CA

Average UV index in December - La Habra Heights, CA
  • Average UV index in December: 4

The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 4).

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Average cloud cover in December
La Habra Heights, CA

Average cloud cover in December - La Habra Heights, CA
  • Average cloud cover in December: 22

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in December
La Habra Heights, CA

Average visibility in December - La Habra Heights, 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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La Habra Heights, California, USA

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