December weather forecast
Blue Lake, CA

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Weather in December

December, the first month of the winter in Blue Lake, is also a fresh month, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 52.7°F (11.5°C).

Temperature

December is the month that records the lowest temperatures, with averages ranging from a high of 52.7°F (11.5°C) to a low of 42.4°F (5.8°C).

Humidity

In Blue Lake, California, the average relative humidity in December is 78%.

Rainfall

The month with the most rainfall in Blue Lake is December, when the rain falls for 15.6 days and typically aggregates up to 5.87" (149mm) of precipitation.

Snowfall

In Blue Lake, snow does not fall in January, March through December.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Blue Lake.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:48 pm. On the last day of December, in Blue Lake, California, sunrise is at 7:40 am and sunset at 4:58 pm PST.

Sunshine

January and December, with an average of 5.1h of sunshine, are months with the least sunshine in Blue Lake, California.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 during December translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What part of the year is the coldest in Blue Lake?

With average high temperatures of 52.7°F (11.5°C) and lows of 42.4°F (5.8°C), December is the coldest month in Blue Lake, California.

What are December temperatures in Blue Lake?

December temperatures in Blue Lake, California, vary between a high-temperature of 52.7°F (11.5°C) and a low-temperature of 42.4°F (5.8°C).

What is the average humidity in December in Blue Lake?

In Blue Lake, the average relative humidity in December is 78%.

What is the wettest month in Blue Lake?

December is the month with the most rainfall. Rain falls for 15.6 days and accumulates 5.87" (149mm) of precipitation.

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

In Blue Lake, in December, during 15.6 rainfall days, 5.87" (149mm) of precipitation is typically accumulated.

When it does not snow in Blue Lake?

January, March through December are months without snowfall in Blue Lake.

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

The month with the shortest days in Blue Lake, California, is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Blue Lake have in December?

The average day length in December in Blue Lake, California, is 9h and 18min.

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

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:48 pm. On the last day of the month, in Blue Lake, California, sunrise is at 7:40 am and sunset at 4:58 pm PST.

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

The months with the least sunshine are January and December, with an average of 5.1h of sunshine.

How many hours of sunshine does Blue Lake have in December?

In Blue Lake, the average sunshine duration in December is 5.1h.

What is the month with the lowest UV index in Blue Lake?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3.

How high is the UV index in December in Blue Lake?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Blue Lake, CA

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

The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in December: 42.4°F

The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).

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Average pressure in December
Blue Lake, CA

Average pressure in December - Blue Lake, 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 August (29.97"Hg).

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Average wind speed in December
Blue Lake, CA

Average wind speed in December - Blue Lake, CA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Blue Lake, CA

Average humidity in December - Blue Lake, CA
  • Average humidity in December: 78%

The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are September and October (76%).

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Average rainfall in December
Blue Lake, CA

Average rainfall in December - Blue Lake, CA
  • Average rainfall in December: 5.87"

The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in December
Blue Lake, CA

Average rainfall days in December - Blue Lake, CA
  • Average rainfall days in December: 15.6 days

The month with the highest number of rainy days is March (16.8 days).
The months with the least rainy days are July and August (2.2 days).

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Average snowfall in December
Blue Lake, CA

Average snowfall in December - Blue Lake, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Blue Lake, CA

Average snowfall days in December - Blue Lake, 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, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Blue Lake, CA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Blue Lake, CA

Average sunshine days in December - Blue Lake, CA
  • Average sunshine days in December: 14.7 days

The months with the most sunshine days are July and August (28 days).
The month with the least sunshine days is March (12.5 days).

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Average UV index in December
Blue Lake, CA

Average UV index in December - Blue Lake, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in December
Blue Lake, CA

Average cloud cover in December - Blue Lake, CA
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 18).

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Average visibility in December
Blue Lake, CA

Average visibility in December - Blue Lake, CA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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Blue Lake, California, USA

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