December weather forecast
Lost Hills, CA

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Weather in December

December, the first month of the winter in Lost Hills, is also a moderate month, with an average temperature ranging between max 58.5°F (14.7°C) and min 41.9°F (5.5°C).

Temperature

In Lost Hills, December is the month with the lowest recorded average temperatures, measuring a high of 58.5°F (14.7°C) and a low of 41.9°F (5.5°C).

Humidity

The months with the highest humidity in Lost Hills are January and December, with an average relative humidity of 62%.

Rainfall

In Lost Hills, in December, it is raining for 7.2 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 53.8 rainfall days, and 6.85" (174mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:50 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:08 am and sunset at 4:56 pm PST.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

December is the coldest month, with the temperature often reaching an average high of 58.5°F (14.7°C) and an average low of 41.9°F (5.5°C).

What are the temperatures in December?

In December, the average high-temperature and low-temperature are 58.5°F (14.7°C) and 41.9°F (5.5°C) respectively. In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 82.4°F (28°C).

What is the most humid month?

The months with the highest humidity are January and December, with an average relative humidity of 62%.

What is the average humidity in December?

The average relative humidity in December is 62%.

How many days does it rain in December?

In December, the rain falls for 7.2 days. Throughout December, 1.1" (28mm) of precipitation is accumulated.

When it does not snow?

In Lost Hills, snow does not fall in January, March through December.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

What is the average length of the day in December?

In Lost Hills, the average day length in December is 9h and 48min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:50 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:56 pm PST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

In December, the average sunshine duration is 6.6h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 3.

What is the UV index reading in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Lost Hills, CA

Average temperature in December - Lost Hills, CA
  • Average high temperature in December: 58.5°F

The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (58.5°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average pressure in December
Lost Hills, CA

Average pressure in December - Lost Hills, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Lost Hills, CA

Average wind speed in December - Lost Hills, CA
  • Average wind speed in December: 3.6mph

The windiest months (with the highest average wind speed) are June and July (5mph).
The calmest month (with the lowest average wind speed) is November (3.5mph).

Average humidity in December
Lost Hills, CA

Average humidity in December - Lost Hills, CA
  • Average humidity in December: 62%

The months with the highest relative humidity are January and December (62%).
The month with the lowest relative humidity is August (30%).

Average rainfall in December
Lost Hills, CA

Average rainfall in December - Lost Hills, CA
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is August (0.04").

Average rainfall days in December
Lost Hills, CA

Average rainfall days in December - Lost Hills, CA
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is March (8.8 days).
The month with the least rainy days is August (0.5 days).

Average snowfall in December
Lost Hills, CA

Average snowfall in December - Lost Hills, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Lost Hills, CA

Average snowfall days in December - Lost Hills, CA
  • Average snowfall days in December: 0 days

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

Average daylight in December /
Average sunshine in December
Lost Hills, CA

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 6h and 4min

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

Average sunshine days in December
Lost Hills, CA

Average sunshine days in December - Lost Hills, CA
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (20.3 days).

Average UV index in December
Lost Hills, CA

Average UV index in December - Lost Hills, CA
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Lost Hills, CA

Average cloud cover in December - Lost Hills, CA
  • Average cloud cover in December: 26

The months with the most cloud cover are March and December (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in December
Lost Hills, CA

Average visibility in December - Lost Hills, 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).

Lost Hills, California, USA

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