December weather forecast
Yethonat, WA

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Weather in December

December, the first month of the winter in Yethonat, is still a cold month, with an average temperature ranging between min 25.7°F (-3.5°C) and max 37°F (2.8°C).

Temperature

In Yethonat, the month of December registers the lowest temperatures, averaging 37°F (2.8°C) at the peak and 25.7°F (-3.5°C) at the lowest.

Humidity

In Yethonat, the average relative humidity in December is 79%.

Rainfall

In Yethonat, during December, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Yethonat, during the entire year, the rain falls for 78.5 days and collects up to 5.16" (131mm) of precipitation.

Snowfall

Months with snowfall are January through March, September, November and December. In Yethonat, in December, during 3.5 snowfall days, 1.57" (40mm) of snow is typically accumulated. In Yethonat, during the entire year, snow falls for 12.8 days and aggregates up to 5.35" (136mm) of snow.

Daylight

With an average of 8h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:16 pm. On the last day of December, in Yethonat, sunrise is at 7:44 am and sunset at 4:24 pm PST.

Sunshine

In December, the average sunshine is 5.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To guard against the harmful effects of the Sun, minimize exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the coldest months?

December is the month when Yethonat sees the average lowest temperatures, with a high of 37°F (2.8°C) and a low of 25.7°F (-3.5°C).

How cold is it in December?

The average high-temperature, in December, in Yethonat, is 37°F (2.8°C), while the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How much does it rain in December?

In Yethonat, during December, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How much does it snow in December?

In Yethonat, in December, snow falls for 3.5 days, with typically accumulated 1.57" (40mm) of snow.

What is the month with the shortest days in Yethonat?

With an average of 8h and 42min of daylight, December has the shortest days of the year in Yethonat.

What is the average length of the day in December?

In Yethonat, Washington, the average day length in December is 8h and 40min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:24 pm PST.

How many hours of sunshine does Yethonat have in December?

The average sunshine duration in December is 5.9h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Yethonat, WA

Average temperature in December - Yethonat, WA
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (37°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is August (61.2°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).

Average pressure in December
Yethonat, WA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in December
Yethonat, WA

Average wind speed in December - Yethonat, WA
  • Average wind speed in December: 4.6mph

The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).

Average humidity in December
Yethonat, WA

Average humidity in December - Yethonat, WA
  • Average humidity in December: 79%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (38%).

Average rainfall in December
Yethonat, WA

Average rainfall in December - Yethonat, WA
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is January (0.83").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in December
Yethonat, WA

Average rainfall days in December - Yethonat, WA
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is July (2.1 days).

Average snowfall in December
Yethonat, WA

Average snowfall in December - Yethonat, WA
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in December
Yethonat, WA

Average snowfall days in December - Yethonat, WA
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in December / Average sunshine in December - Yethonat, WA
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 5h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in December
Yethonat, WA

Average sunshine days in December - Yethonat, WA
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is February (17.9 days).

Average UV index in December
Yethonat, WA

Average UV index in December - Yethonat, WA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Yethonat, WA

Average cloud cover in December - Yethonat, WA
  • Average cloud cover in December: 37

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in December
Yethonat, WA

Average visibility in December - Yethonat, WA
  • Average visibility in December: 6mi

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

Yethonat, Washington, USA

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