December weather forecast
Yarrow Point, WA

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Weather in December

December, the first month of the winter in Yarrow Point, is still a chilly month, with an average temperature fluctuating between 43.7°F (6.5°C) and 35.1°F (1.7°C).

Temperature

In Yarrow Point, December is the coldest month, with temperatures averaging a high of 43.7°F (6.5°C) and a low of 35.1°F (1.7°C).

Humidity

In Yarrow Point, the average relative humidity in December is 84%.

Rainfall

December is the month with the most rainfall. Rain falls for 8.9 days and accumulates 0.87" (22mm) of precipitation.

Snowfall

April through October and December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 8h and 30min of daylight.
On the first day of December, sunrise is at 7:37 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:27 pm PST.

Sunshine

With an average of 4.3h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Yarrow Point are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

What is the coldest month?

During the coldest month in Yarrow Point, December, temperatures average a high of 43.7°F (6.5°C) and a low of 35.1°F (1.7°C).

How cold does it get in December?

The average high-temperature, in December, in Yarrow Point, is 43.7°F (6.5°C), while the average low-temperature is 35.1°F (1.7°C).

What is the average humidity in December?

The average relative humidity in December is 84%.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 8.9 days and accumulates 0.87" (22mm) of precipitation.

How much does it rain in December?

In Yarrow Point, in December, it is raining for 8.9 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow?

April through October and December are months without snowfall.

Does it snow in December?

In December, it doesn't snow. November is the latest month when it typically snows.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 30min of daylight.

What is the average length of the day in December?

The average day length in December is 8h and 30min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:37 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:27 pm PST.

What is the month with the least sunshine in Yarrow Point?

December has the least sunshine of the year, with an average of 4.3h of sunshine.

How many hours of sunshine does Yarrow Point have in December?

In December, the average sunshine duration is 4.3h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In Yarrow Point, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Yarrow Point, WA

Average temperature in December - Yarrow Point, WA
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in December: 35.1°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.1°F).

Average pressure in December
Yarrow Point, WA

Average pressure in December - Yarrow Point, WA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in December
Yarrow Point, WA

Average wind speed in December - Yarrow Point, WA
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).

Average humidity in December
Yarrow Point, WA

Average humidity in December - Yarrow Point, WA
  • Average humidity in December: 84%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Yarrow Point, WA

Average rainfall in December - Yarrow Point, WA
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is December (0.87").
The driest months (with the least rainfall) are July and August (0.12").

Average rainfall days in December
Yarrow Point, WA

Average rainfall days in December - Yarrow Point, WA
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is November (9.1 days).
The month with the least rainy days is August (2.8 days).

Average snowfall in December
Yarrow Point, WA

Average snowfall in December - Yarrow Point, WA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

Average snowfall days in December
Yarrow Point, WA

Average snowfall days in December - Yarrow Point, WA
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Yarrow Point, WA

Average daylight in December / Average sunshine in December - Yarrow Point, 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: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in December
Yarrow Point, WA

Average sunshine days in December - Yarrow Point, WA
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is August (25.9 days).
The month with the least sunshine days is November (16.8 days).

Average UV index in December
Yarrow Point, WA

Average UV index in December - Yarrow Point, 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, November and December (UV index 2).

Average cloud cover in December
Yarrow Point, WA

Average cloud cover in December - Yarrow Point, WA
  • Average cloud cover in December: 56

The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Yarrow Point, WA

Average visibility in December - Yarrow Point, WA
  • Average visibility in December: 5mi

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

Yarrow Point, Washington, USA

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