December weather forecast
Carlton, WA

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Weather in December

December, the first month of the winter in Carlton, is still a freezing cold month, with an average temperature varying between 27.9°F (-2.3°C) and 14.7°F (-9.6°C).

Temperature

Carlton records the coldest temperatures in December, averaging a high of 27.9°F (-2.3°C) and a low of 14.7°F (-9.6°C).

Humidity

In Carlton, the average relative humidity in December is 90%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.2 days and typically aggregates up to 2.52" (64mm) of precipitation.

Snowfall

Months with snowfall in Carlton are January through April, September through December. December is the month with the most snowfall in Carlton. Snow falls for 15.5 days and accumulates 12.28" (312mm) of snow.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of December in Carlton, sunrise is at 7:31 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:16 pm PST.

Sunshine

In Carlton, the average sunshine in December is 4.5h.

UV index

In Carlton, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What part of the year is the coldest in Carlton?

The month of December sees the average lowest temperatures in Carlton, reaching 27.9°F (-2.3°C) at the peak and 14.7°F (-9.6°C) at the low.

How cold is it in Carlton in December?

The average high-temperature and low-temperature in Carlton, Washington, during December are 27.9°F (-2.3°C) and 14.7°F (-9.6°C) respectively.

What is the average humidity in December in Carlton?

The average relative humidity in December is 90%.

What is the rainiest month in Carlton?

December is the month with the most rainfall in Carlton. Rain falls for 10.2 days and accumulates 2.52" (64mm) of precipitation.

How much does it rain in Carlton in December?

In Carlton, Washington, during December, the rain falls for 10.2 days and regularly aggregates up to 2.52" (64mm) of precipitation.

What is the snowiest month in Carlton?

The month with the most snowfall is December, when snow falls for 15.5 days and typically aggregates up to 12.28" (312mm) of snow.

How much does it snow in Carlton in December?

In Carlton, Washington, in December, during 15.5 snowfall days, 12.28" (312mm) of snow is typically accumulated.

What is the month with the shortest days in Carlton?

With an average of 8h and 24min of daylight, December has the shortest days of the year in Carlton.

How many hours of daylight does Carlton have in December?

The average day length in December in Carlton is 8h and 25min.

When are sunrise and sunset in December in Carlton?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:16 pm PST.

How many hours of sunshine does Carlton have in December?

In Carlton, the average sunshine duration in December is 4.5h.

How high is the UV index in December in Carlton?

In Carlton, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Carlton, WA

Average temperature in December - Carlton, WA
  • Average high temperature in December: 27.9°F

The warmest month (with the highest average high temperature) is August (76.8°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in December: 14.7°F

The month with the highest average low temperature is August (48.9°F).
The coldest month (with the lowest average low temperature) is December (14.7°F).

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Average pressure in December
Carlton, WA

Average pressure in December - Carlton, WA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).

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Average wind speed in December
Carlton, WA

Average wind speed in December - Carlton, WA
  • Average wind speed in December: 3.5mph

The windiest month (with the highest average wind speed) is July (5.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).

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Average humidity in December
Carlton, WA

Average humidity in December - Carlton, WA
  • Average humidity in December: 90%

The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are July and August (51%).

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Average rainfall in December
Carlton, WA

Average rainfall in December - Carlton, WA
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is December (2.52").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in December
Carlton, WA

Average rainfall days in December - Carlton, WA
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (5.7 days).

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Average snowfall in December
Carlton, WA

Average snowfall in December - Carlton, WA
  • Average snowfall in December: 12.28"

The month with the highest snowfall is December (12.28").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in December
Carlton, WA

Average snowfall days in December - Carlton, WA
  • Average snowfall days in December: 15.5 days

The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Carlton, WA

Average daylight in December / Average sunshine in December - Carlton, WA
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 4h and 3min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in December
Carlton, WA

Average sunshine days in December - Carlton, WA
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is March (8.9 days).

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Average UV index in December
Carlton, WA

Average UV index in December - Carlton, WA
  • 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 and November (UV index 1).

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Average cloud cover in December
Carlton, WA

Average cloud cover in December - Carlton, WA
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in December
Carlton, WA

Average visibility in December - Carlton, WA
  • Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

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Carlton, Washington, USA

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