December weather forecast
Blue Lake, CA

Weather in December

The first month of the winter, December, is also a fresh month in Blue Lake, California, with average temperature ranging between max 52.7°F (11.5°C) and min 42.4°F (5.8°C).

Temperature

The coldest month is December, with an average high-temperature of 52.7°F (11.5°C) and an average low-temperature of 42.4°F (5.8°C).

Humidity

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

Rainfall

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

Snowfall

January, March through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 9.3h of daylight.

Sunshine

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

UV index

Months with the lowest UV index are January through March, 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 unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in December transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Blue Lake?

December is the coldest month in Blue Lake, with an average high-temperature of 52.7°F (11.5°C) and an average low-temperature of 42.4°F (5.8°C).

What is the average humidity in December in Blue Lake?

In December, the average relative humidity is 78%.

What is the wettest month in Blue Lake?

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.

How much does it rain in Blue Lake in December?

In Blue Lake, California, during December, the rain falls for 15.6 days and regularly aggregates up to 5.87" (149mm) of precipitation.

When it does not snow in Blue Lake?

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

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

With an average of 9.3h of daylight, December has the shortest days of the year in Blue Lake, California.

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

The average length of the day in December in Blue Lake is 9.3h.

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

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

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

In December, the average sunshine is 5.1h.

When is the lowest UV index in Blue Lake?

Months with the lowest UV index in Blue Lake, California, are January through March, November and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Blue Lake?

In December, the average daily maximum UV index in Blue Lake is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

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"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is August (29.97").

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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%).
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).
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").
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).
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: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is July (Average sunshine: 11.5h).
Months with the least sunshine are January and December (Average sunshine: 5.1).

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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

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

Months with the highest UV index are June, July and August (UV index 5).
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).
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

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

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