December weather forecast
Lower Lake, CA

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Weather in December

December, the first month of the winter in Lower Lake, is also a fresh month, with an average temperature fluctuating between 38.1°F (3.4°C) and 52.7°F (11.5°C).

Temperature

Lower Lake, California, reaches its lowest average temperatures in December, measuring 52.7°F (11.5°C) at the peak and 38.1°F (3.4°C) at the lowest.

Humidity

In December, the average relative humidity in Lower Lake is 72%.

Rainfall

In December, the rain falls for 11.2 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. In Lower Lake, during the entire year, the rain falls for 79.8 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Lower Lake, during December, snow falls for 0.2 days and regularly aggregates up to 0.08" (2mm) of snow. In Lower Lake, during the entire year, snow falls for 1.8 days and aggregates up to 0.98" (25mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December in Lower Lake, sunrise is at 7:10 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:58 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.3h of sunshine.

UV index

The months with the lowest UV index in Lower Lake are November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What time of the year is the coldest in Lower Lake?

December is the month when Lower Lake, California, experiences its coldest temperatures, averaging a high of 52.7°F (11.5°C) and a low of 38.1°F (3.4°C).

What are the temperatures in Lower Lake in December?

In Lower Lake, 52.7°F (11.5°C) is the average high-temperature and 38.1°F (3.4°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in December in Lower Lake?

In Lower Lake, California, the average relative humidity in December is 72%.

How many days does it rain in December in Lower Lake?

In Lower Lake, during December, the rain falls for 11.2 days and regularly aggregates up to 3.11" (79mm) of precipitation.

How much does it snow in Lower Lake in December?

In Lower Lake, in December, during 0.2 snowfall days, 0.08" (2mm) of snow is typically accumulated.

What is the month with the shortest days in Lower Lake?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Lower Lake, California.

What is the average length of the day in December in Lower Lake?

The average day length in December in Lower Lake, California, is 9h and 29min.

When is the sunrise / sunset in December in Lower Lake?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:48 pm. On the last day of the month, in Lower Lake, sunrise is at 7:28 am and sunset at 4:58 pm PST.

What is the month with the least sunshine in Lower Lake?

The month with the least sunshine in Lower Lake is December, with an average of 5.3h of sunshine.

How long on average sun shines in December in Lower Lake?

The average sunshine duration in December in Lower Lake, California, is 5.3h.

When is the lowest UV index in Lower Lake?

The months with the lowest UV index are November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Lower Lake?

The average daily maximum UV index in December in Lower Lake, California, is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lower Lake, CA

Average temperature in December - Lower Lake, CA
  • Average high temperature in December: 52.7°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in December: 38.1°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).

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Average pressure in December
Lower Lake, CA

Average pressure in December - Lower Lake, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed in December
Lower Lake, CA

Average wind speed in December - Lower Lake, CA
  • Average wind speed in December: 4.7mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

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Average humidity in December
Lower Lake, CA

Average humidity in December - Lower Lake, CA
  • Average humidity in December: 72%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (44%).

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Average rainfall in December
Lower Lake, CA

Average rainfall in December - Lower Lake, CA
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is February (3.7").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Lower Lake, CA

Average rainfall days in December - Lower Lake, CA
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is March (13.9 days).
The months with the least rainy days are July and August (1.1 days).

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Average snowfall in December
Lower Lake, CA

Average snowfall in December - Lower Lake, CA
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Lower Lake, CA

Average snowfall days in December - Lower Lake, CA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Lower Lake, CA

Average daylight in December / Average sunshine in December - Lower Lake, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Lower Lake, CA

Average sunshine days in December - Lower Lake, CA
  • Average sunshine days in December: 19 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).

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Average UV index in December
Lower Lake, CA

Average UV index in December - Lower Lake, CA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).

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Average cloud cover in December
Lower Lake, CA

Average cloud cover in December - Lower Lake, CA
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Lower Lake, CA

Average visibility in December - Lower Lake, 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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Lower Lake, California, USA

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