December weather forecast
De Luz Heights, CA

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Weather in December

The first month of the winter, December, is still a comfortable month in De Luz Heights, California, with an average temperature ranging between min 44.8°F (7.1°C) and max 62.2°F (16.8°C).

Temperature

De Luz Heights notes the coldest temperatures in December, with a high average of 62.2°F (16.8°C) and a low of 44.8°F (7.1°C).

Humidity

In De Luz Heights, the average relative humidity in December is 58%.

Rainfall

The month with the most rainfall is December, when the rain falls for 7.4 days and typically aggregates up to 1.85" (47mm) of precipitation.

Daylight

December has the shortest days of the year in De Luz Heights, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:35 am and sunset at 4:41 pm. On the last day of December, in De Luz Heights, sunrise is at 6:52 am and sunset at 4:51 pm PST.

Sunshine

The month with the least sunshine in De Luz Heights, California, is December, with an average of 6.6h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in De Luz Heights?

De Luz Heights's coldest month, December, registers temperatures that range from a high of 62.2°F (16.8°C) to a low of 44.8°F (7.1°C).

What are December temperatures in De Luz Heights?

De Luz Heights in December has an average high-temperature of 62.2°F (16.8°C) and an average low-temperature of 44.8°F (7.1°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in December in De Luz Heights?

The average relative humidity in December in De Luz Heights is 58%.

What is the wettest month in De Luz Heights?

December is the month with the most rainfall in De Luz Heights. Rain falls for 7.4 days and accumulates 1.85" (47mm) of precipitation.

How many days does it rain in December in De Luz Heights?

In De Luz Heights, in December, it is raining for 7.4 days, with typically 1.85" (47mm) of accumulated precipitation.

What is the month with the shortest days in De Luz Heights?

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

What is the average length of the day in December in De Luz Heights?

In De Luz Heights, California, the average day length in December is 9h and 59min.

When is the sunrise / sunset in December in De Luz Heights?

On the first day of December, sunrise is at 6:35 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:51 pm PST.

What is the month with the least sunshine in De Luz Heights?

December has the least sunshine of the year in De Luz Heights, California, with an average of 6.6h of sunshine.

How many hours of sunshine does De Luz Heights have in December?

In De Luz Heights, California, the average sunshine duration in December is 6.6h.

When is the lowest UV index in De Luz Heights?

December is the month with the lowest UV index in De Luz Heights, California, with an average maximum UV index of 3.

What is the UV index intensity in December in De Luz Heights?

In December, the average daily maximum UV index in De Luz Heights is 3. A UV Index reading 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
De Luz Heights, CA

Average temperature in December - De Luz Heights, CA
  • Average high temperature in December: 62.2°F

The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is December (62.2°F).

  • Average low temperature in December: 44.8°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is February (44.4°F).

Average pressure in December
De Luz Heights, CA

Average pressure in December - De Luz Heights, CA
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in December
De Luz Heights, CA

Average wind speed in December - De Luz Heights, CA
  • Average wind speed in December: 4.9mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.3mph).

Average humidity in December
De Luz Heights, CA

Average humidity in December - De Luz Heights, CA
  • Average humidity in December: 58%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (52%).

Average rainfall in December
De Luz Heights, CA

Average rainfall in December - De Luz Heights, CA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
De Luz Heights, CA

Average rainfall days in December - De Luz Heights, CA
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is March (8.8 days).
The month with the least rainy days is June (1.4 days).

Average daylight in December /
Average sunshine in December
De Luz Heights, CA

Average daylight in December / Average sunshine in December - De Luz Heights, 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: 6h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in December
De Luz Heights, CA

Average sunshine days in December - De Luz Heights, CA
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is February (20 days).

Average UV index in December
De Luz Heights, CA

Average UV index in December - De Luz Heights, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
De Luz Heights, CA

Average cloud cover in December - De Luz Heights, CA
  • Average cloud cover in December: 25

The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in December
De Luz Heights, CA

Average visibility in December - De Luz 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).

De Luz Heights, California, USA

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