December weather forecast
Tulelake, CA

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Weather in December

The first month of the winter, December, is also a wintry month in Tulelake, California, with an average temperature varying between 37.2°F (2.9°C) and 25°F (-3.9°C).

Temperature

Tulelake's coldest month, December, generally records average temperatures ranging from a high of 37.2°F (2.9°C) to a low of 25°F (-3.9°C).

Humidity

In Tulelake, the average relative humidity in December is 82%.

Rainfall

December is the month with the most rainfall. Rain falls for 10 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 13.4 days and accumulates 9.57" (243mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December in Tulelake, sunrise is at 7:14 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:44 pm PST.

Sunshine

The average sunshine in December is 5.5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Tulelake, December registers the lowest temperatures, averaging 37.2°F (2.9°C) at the peak and 25°F (-3.9°C) at the lowest.

How cold is December?

In December, the average high-temperature and low-temperature are 37.2°F (2.9°C) and 25°F (-3.9°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 82.4°F (28°C).

What is the average humidity in December?

In December, the average relative humidity is 82%.

What is the rainiest month?

The month with the most rainfall in Tulelake is December, when the rain falls for 10 days and typically aggregates up to 1.97" (50mm) of precipitation.

How much does it rain in December?

In Tulelake, in December, it is raining for 10 days, with typically 1.97" (50mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 13.4 days and typically aggregates up to 9.57" (243mm) of snow.

How much does it snow in December?

In Tulelake, in December, snow falls for 13.4 days, with typically accumulated 9.57" (243mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 11min.

When is the sunrise / sunset in December?

On the first day of December in Tulelake, sunrise is at 7:14 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:44 pm PST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.5h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Tulelake, CA

Average temperature in December - Tulelake, CA
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).

Average pressure in December
Tulelake, CA

Average pressure in December - Tulelake, CA
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.96"Hg).

Average wind speed in December
Tulelake, CA

Average wind speed in December - Tulelake, CA
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Tulelake, CA

Average humidity in December - Tulelake, CA
  • Average humidity in December: 82%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).

Average rainfall in December
Tulelake, CA

Average rainfall in December - Tulelake, CA
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in December
Tulelake, CA

Average rainfall days in December - Tulelake, CA
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).

Average snowfall in December
Tulelake, CA

Average snowfall in December - Tulelake, CA
  • Average snowfall in December: 9.57"

The month with the highest snowfall is December (9.57").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Tulelake, CA

Average snowfall days in December - Tulelake, CA
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is December (13.4 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Tulelake, CA

Average daylight in December / Average sunshine in December - Tulelake, CA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in December
Tulelake, CA

Average sunshine days in December - Tulelake, CA
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).

Average UV index in December
Tulelake, CA

Average UV index in December - Tulelake, CA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Tulelake, CA

Average cloud cover in December - Tulelake, CA
  • Average cloud cover in December: 44

The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in December
Tulelake, CA

Average visibility in December - Tulelake, CA
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Tulelake, California, USA

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