December weather forecast
Four Lakes, WA

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Weather in December

December, the first month of the winter in Four Lakes, is also an icy month, with an average temperature varying between 22.5°F (-5.3°C) and 32°F (0°C).

Temperature

December is Four Lakes's coldest month, registering average high temperatures of 32°F (0°C) and lows of 22.5°F (-5.3°C).

Humidity

The average relative humidity in December in Four Lakes is 87%.

Rainfall

In Four Lakes, in December, during 5.2 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Four Lakes, during the entire year, the rain falls for 78.7 days and collects up to 7.72" (196mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In December, it is snowing for 9.8 days. Throughout December, 3.19" (81mm) of snow is accumulated. Throughout the year, in Four Lakes, there are 37.4 snowfall days, and 15.75" (400mm) of snow is accumulated.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of December in Four Lakes, sunrise is at 7:18 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:09 pm PST.

Sunshine

With an average of 3.9h of sunshine, December has the least sunshine of the year in Four Lakes.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What part of the year is the coldest in Four Lakes?

In Four Lakes, the lowest temperatures are generally noted in December, averaging a high of 32°F (0°C) and a low of 22.5°F (-5.3°C).

How cold is December in Four Lakes?

The high-temperature, in December, in Four Lakes, is 32°F (0°C), while the low-temperature averages to 22.5°F (-5.3°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December in Four Lakes?

In Four Lakes, Washington, the average relative humidity in December is 87%.

How much does it rain in Four Lakes in December?

In Four Lakes, in December, during 5.2 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How much does it snow in Four Lakes in December?

In Four Lakes, in December, snow falls for 9.8 days, with typically accumulated 3.19" (81mm) of snow.

What is the month with the shortest days in Four Lakes?

The month with the shortest days in Four Lakes, Washington, is December, with an average of 8h and 30min of daylight.

What is the average length of the day in December in Four Lakes?

The average day length in December is 8h and 31min.

When is the sunrise / sunset in December in Four Lakes?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 4:01 pm. On the last day of the month, in Four Lakes, Washington, sunrise is at 7:38 am and sunset at 4:09 pm PST.

What is the month with the least sunshine in Four Lakes?

With an average of 3.9h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Four Lakes have in December?

The average sunshine duration in December in Four Lakes is 3.9h.

When is the lowest UV index in Four Lakes?

The month with the lowest UV index in Four Lakes, Washington, is December, with an average maximum UV index of 1.

What is the UV index intensity in December in Four Lakes?

The average daily maximum UV index in December in Four Lakes, Washington, is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
41.7°F 5.4°C
32°F 0°C
33.1°F 0.6°C
Average low temperature
30.6°F -0.8°C
22.5°F -5.3°C
23.2°F -4.9°C
Average pressure
30.1" 765mmHg
30.17" 766mmHg
30.19" 767mmHg
Average wind speed
7.1mph 11.4km/h
6.5mph 10.5km/h
6.6mph 10.6km/h
Average max. wind speed
7.6mph 12.2km/h
7.1mph 11.4km/h
7.1mph 11.4km/h
Average wind speed gusts
11.9mph 19.2km/h
11.2mph 18km/h
11.6mph 18.7km/h
Average humidity
78%
87%
89%
Average rainfall
0.71" 18mm
0.75" 19mm
0.67" 17mm
Average rainfall days
5.8
5.2
4.7
Average snowfall
2.32" 59mm
3.19" 81mm
3.58" 91mm
Average snowfall days
4.4
9.8
8.2
Average daylight
9h 2min
8h 3min
9h 0min
Average sunshine
5h 0min
3h 5min
4h 1min
Average sunshine days
20.3
19.2
20.3
Average UV index
2
1
2
Average cloud cover
48%
59%
59%
Average visibility
6mi 9.7km
5mi 8km
4mi 6.4km

Average temperature in December
Four Lakes, WA

Average temperature in December - Four Lakes, WA
  • Average high temperature in December: 32°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (32°F).

  • Average low temperature in December: 22.5°F

The month with the highest average low temperature is August (59.7°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).

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Average pressure in December
Four Lakes, WA

Average pressure in December - Four Lakes, WA
  • Average pressure in December: 30.17"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).

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Average wind speed in December
Four Lakes, WA

Average wind speed in December - Four Lakes, WA
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in December
Four Lakes, WA

Average humidity in December - Four Lakes, WA
  • Average humidity in December: 87%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in December
Four Lakes, WA

Average rainfall in December - Four Lakes, WA
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (1.06").
The driest months (with the least rainfall) are July and August (0.28").

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Average rainfall days in December
Four Lakes, WA

Average rainfall days in December - Four Lakes, WA
  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is April (9.6 days).
The month with the least rainy days is February (3.2 days).

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Average snowfall in December
Four Lakes, WA

Average snowfall in December - Four Lakes, WA
  • Average snowfall in December: 3.19"

The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Four Lakes, WA

Average snowfall days in December - Four Lakes, WA
  • Average snowfall days in December: 9.8 days

The month with the highest number of snowfall days is December (9.8 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
Four Lakes, WA

Average daylight in December / Average sunshine in December - Four Lakes, WA
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

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Average sunshine days in December
Four Lakes, WA

Average sunshine days in December - Four Lakes, WA
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is March (17.3 days).

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Average UV index in December
Four Lakes, WA

Average UV index in December - Four Lakes, WA
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Four Lakes, WA

Average cloud cover in December - Four Lakes, WA
  • Average cloud cover in December: 59

The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in December
Four Lakes, WA

Average visibility in December - Four Lakes, WA
  • Average visibility in December: 5mi

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

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Four Lakes, Washington, USA

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