December weather forecast
Amanda Park, WA

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Weather in December

The first month of the winter, December, is also a frosty month in Amanda Park, Washington, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 45.1°F (7.3°C).

Temperature

In Amanda Park, the lowest temperatures are generally noted in December, averaging a high of 45.1°F (7.3°C) and a low of 39.2°F (4°C).

Humidity

January, November and December, with an average relative humidity of 84%, are the most humid months.

Rainfall

In Amanda Park, in December, during 18.5 rainfall days, 6.1" (155mm) of precipitation is typically accumulated. Throughout the year, there are 169.3 rainfall days, and 37.83" (961mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. In Amanda Park, during the entire year, snow falls for 3.9 days and aggregates up to 1.5" (38mm) of snow.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:43 am and sunset at 4:26 pm. On the last day of December, sunrise is at 8:03 am and sunset at 4:34 pm PST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Amanda Park records the coldest temperatures in December, averaging a high of 45.1°F (7.3°C) and a low of 39.2°F (4°C).

What are the temperatures in December?

In Amanda Park, 45.1°F (7.3°C) is the average high-temperature and 39.2°F (4°C) is the average low-temperature during December.

What is the most humid month?

The months with the highest humidity are January, November and December, with an average relative humidity of 84%.

What is the average humidity in December in Amanda Park?

In Amanda Park, the average relative humidity in December is 84%.

How much does it rain in December?

In Amanda Park, during December, the rain falls for 18.5 days and regularly aggregates up to 6.1" (155mm) of precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Amanda Park have in December?

In December, the average day length is 8h and 32min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:43 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:34 pm PST.

How many hours of sunshine does Amanda Park have in December?

The average sunshine duration in December is 4.1h.

When is the lowest UV index?

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

What is the UV index reading in December?

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

Average temperature in December - Amanda Park, WA
  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.1°F).

  • Average low temperature in December: 39.2°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is February (38.7°F).

Average pressure in December
Amanda Park, WA

Average pressure in December - Amanda Park, WA
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).

Average wind speed in December
Amanda Park, WA

Average wind speed in December - Amanda Park, WA
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Amanda Park, WA

Average humidity in December - Amanda Park, WA
  • Average humidity in December: 84%

The months with the highest relative humidity are January, November and December (84%).
The month with the lowest relative humidity is May (80%).

Average rainfall in December
Amanda Park, WA

Average rainfall in December - Amanda Park, WA
  • Average rainfall in December: 6.1"

The wettest month (with the highest rainfall) is January (6.89").
The driest month (with the least rainfall) is July (0.51").

Average rainfall days in December
Amanda Park, WA

Average rainfall days in December - Amanda Park, WA
  • Average rainfall days in December: 18.5 days

The month with the highest number of rainy days is November (19.4 days).
The month with the least rainy days is August (6.8 days).

Average snowfall in December
Amanda Park, WA

Average snowfall in December - Amanda Park, WA
  • Average snowfall in December: 0.16"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Amanda Park, WA

Average snowfall days in December - Amanda Park, WA
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.5 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
Amanda Park, WA

Average daylight in December / Average sunshine in December - Amanda Park, 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in December
Amanda Park, WA

Average sunshine days in December - Amanda Park, WA
  • Average sunshine days in December: 10.4 days

The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is November (9.4 days).

Average UV index in December
Amanda Park, WA

Average UV index in December - Amanda Park, WA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Amanda Park, WA

Average cloud cover in December - Amanda Park, WA
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Amanda Park, WA

Average visibility in December - Amanda Park, WA
  • Average visibility in December: 6mi

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

Amanda Park, Washington, USA

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