December weather forecast
La Cresta, CA

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Weather in December

The first month of the winter, December, is still a refreshing month in La Cresta, California, with an average temperature ranging between max 61.2°F (16.2°C) and min 43.2°F (6.2°C).

Temperature

La Cresta witnesses the coldest weather in December, with temperatures averaging a high of 61.2°F (16.2°C) and a low of 43.2°F (6.2°C).

Humidity

In December, the average relative humidity is 57%.

Rainfall

In La Cresta, in December, during 7.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, in La Cresta, there are 64.9 rainfall days, and 9.8" (249mm) of precipitation is accumulated.

Snowfall

Months with snowfall are February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in La Cresta, there are 0.5 snowfall days, and 0.24" (6mm) of snow is accumulated.

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 6:36 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:51 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 6.6h of sunshine.

UV index

The months with the lowest UV index in La Cresta, California, are November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 3 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are the coldest months in La Cresta?

In La Cresta, California, the average lowest temperatures are observed in December, with a high of 61.2°F (16.2°C) and a low of 43.2°F (6.2°C).

What is the usual temperature for La Cresta in December?

In December, the average high-temperature and low-temperature in La Cresta are 61.2°F (16.2°C) and 43.2°F (6.2°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 87.8°F (31°C).

What is the average humidity in December in La Cresta?

In La Cresta, California, the average relative humidity in December is 57%.

How much does it rain in La Cresta in December?

In La Cresta, California, in December, it is raining for 7.5 days, with typically 1.85" (47mm) of accumulated precipitation.

When does it start to snow in La Cresta?

December is the first month it typically snows in La Cresta, California. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in La Cresta?

With an average of 10h and 0min of daylight, December has the shortest days of the year in La Cresta.

How many hours of daylight does La Cresta have in December?

In La Cresta, the average day length in December is 9h and 58min.

What time are sunrise and sunset in December in La Cresta?

In December, on the first day of the month, sunrise is at 6:36 am and sunset at 4:41 pm. On the last day of the month, in La Cresta, sunrise is at 6:53 am and sunset at 4:51 pm PST.

What is the month with the least sunshine in La Cresta?

December has the least sunshine of the year in La Cresta, with an average of 6.6h of sunshine.

How many hours of sunshine does La Cresta have in December?

The average sunshine duration in December is 6.6h.

What is the month with the lowest UV index in La Cresta?

November and December, with an average maximum UV index of 3, are months with the lowest UV index in La Cresta, California.

What is the UV index reading in December in La Cresta?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
La Cresta, CA

Average temperature in December - La Cresta, CA
  • Average high temperature in December: 61.2°F

The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in December: 43.2°F

The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (43.2°F).

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Average pressure in December
La Cresta, CA

Average pressure in December - La Cresta, CA
  • Average pressure in December: 30.07"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).

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Average wind speed in December
La Cresta, CA

Average wind speed in December - La Cresta, CA
  • Average wind speed in December: 4.7mph

The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).

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Average humidity in December
La Cresta, CA

Average humidity in December - La Cresta, CA
  • Average humidity in December: 57%

The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in December
La Cresta, CA

Average rainfall in December - La Cresta, CA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is February (1.89").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
La Cresta, CA

Average rainfall days in December - La Cresta, CA
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is June (1.7 days).

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Average snowfall in December
La Cresta, CA

Average snowfall in December - La Cresta, CA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.2").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
La Cresta, CA

Average snowfall days in December - La Cresta, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
La Cresta, CA

Average daylight in December / Average sunshine in December - La Cresta, 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).

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Average sunshine days in December
La Cresta, CA

Average sunshine days in December - La Cresta, CA
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is June (26.3 days).
The month with the least sunshine days is February (20.7 days).

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Average UV index in December
La Cresta, CA

Average UV index in December - La Cresta, CA
  • Average UV index in December: 3

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

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Average cloud cover in December
La Cresta, CA

Average cloud cover in December - La Cresta, CA
  • Average cloud cover in December: 24

The month with the most cloud cover is March (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
La Cresta, CA

Average visibility in December - La Cresta, 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 Cresta, California, USA

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