December weather forecast
Olympic Hot Springs, WA

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Weather in December

December, the first month of the winter in Olympic Hot Springs, is still a cold month, with an average temperature ranging between min 30.2°F (-1°C) and max 37.9°F (3.3°C).

Temperature

Temperature readings reach their annual highs in December, averaging 37.9°F (3.3°C) and a minimum average of 30.2°F (-1°C).

Humidity

With an average relative humidity of 91%, December is the most humid month in Olympic Hot Springs, Washington.

Rainfall

In Olympic Hot Springs, in December, it is raining for 11.7 days, with typically 6.61" (168mm) of accumulated precipitation. Throughout the year, there are 153 rainfall days, and 43.74" (1111mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Olympic Hot Springs. In Olympic Hot Springs, in December, during 17.9 snowfall days, 32.13" (816mm) of snow is typically accumulated. Throughout the year, in Olympic Hot Springs, there are 99.3 snowfall days, and 150.98" (3835mm) of snow is accumulated.

Daylight

The month with the shortest days in Olympic Hot Springs is December, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 7:44 am and sunset at 4:23 pm. On the last day of December, sunrise is at 8:04 am and sunset at 4:31 pm PST.

Sunshine

In December, the average sunshine is 3.9h.

UV index

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 in December translates into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Olympic Hot Springs?

December, marked by an average high-temperature of 37.9°F (3.3°C) and a low-temperature of 30.2°F (-1°C), is the coldest month in Olympic Hot Springs.

How cold is it in Olympic Hot Springs in December?

The average high-temperature, in December, in Olympic Hot Springs, is 37.9°F (3.3°C), while the average low-temperature is 30.2°F (-1°C).

What is the most humid month in Olympic Hot Springs?

With an average relative humidity of 91%, December is the most humid month in Olympic Hot Springs.

What is the average humidity in December in Olympic Hot Springs?

In Olympic Hot Springs, the average relative humidity in December is 91%.

How much does it rain in Olympic Hot Springs in December?

In Olympic Hot Springs, during December, the rain falls for 11.7 days and regularly aggregates up to 6.61" (168mm) of precipitation.

How much does it snow in Olympic Hot Springs in December?

In Olympic Hot Springs, in December, snow falls for 17.9 days, with typically accumulated 32.13" (816mm) of snow.

What is the month with the shortest days in Olympic Hot Springs?

The month with the shortest days in Olympic Hot Springs is December, with an average of 8h and 30min of daylight.

What is the average length of the day in December in Olympic Hot Springs?

The average day length in December in Olympic Hot Springs is 8h and 28min.

When is the sunrise / sunset in December in Olympic Hot Springs?

In December, on the first day of the month, sunrise is at 7:44 am and sunset at 4:23 pm. On the last day of the month, in Olympic Hot Springs, sunrise is at 8:04 am and sunset at 4:31 pm PST.

How long on average sun shines in December in Olympic Hot Springs?

The average sunshine duration in December in Olympic Hot Springs, Washington, is 3.9h.

What is the UV index reading in December in Olympic Hot Springs?

The average daily maximum UV index in December in Olympic Hot Springs is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Olympic Hot Springs, WA

Average temperature in December - Olympic Hot Springs, WA
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is August (68.5°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is February (29.7°F).

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Average pressure in December
Olympic Hot Springs, WA

Average pressure in December - Olympic Hot Springs, WA
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is July (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

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Average wind speed in December
Olympic Hot Springs, WA

Average wind speed in December - Olympic Hot Springs, WA
  • Average wind speed in December: 4.7mph

The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3mph).

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Average humidity in December
Olympic Hot Springs, WA

Average humidity in December - Olympic Hot Springs, WA
  • Average humidity in December: 91%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in December
Olympic Hot Springs, WA

Average rainfall in December - Olympic Hot Springs, WA
  • Average rainfall in December: 6.61"

The wettest month (with the highest rainfall) is January (8.66").
The driest month (with the least rainfall) is July (0.79").

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Average rainfall days in December
Olympic Hot Springs, WA

Average rainfall days in December - Olympic Hot Springs, WA
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is October (16.4 days).
The month with the least rainy days is August (7 days).

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Average snowfall in December
Olympic Hot Springs, WA

Average snowfall in December - Olympic Hot Springs, WA
  • Average snowfall in December: 32.13"

The month with the highest snowfall is January (43.43").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Olympic Hot Springs, WA

Average snowfall days in December - Olympic Hot Springs, WA
  • Average snowfall days in December: 17.9 days

The month with the highest number of snowfall days is March (19 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in December /
Average sunshine in December
Olympic Hot Springs, WA

Average daylight in December / Average sunshine in December - Olympic Hot Springs, WA
  • Average daylight in December: 8h and 3min

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 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in December
Olympic Hot Springs, WA

Average sunshine days in December - Olympic Hot Springs, WA
  • Average sunshine days in December: 8.7 days

The month with the most sunshine days is August (21 days).
The month with the least sunshine days is March (5.8 days).

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Average UV index in December
Olympic Hot Springs, WA

Average UV index in December - Olympic Hot Springs, WA
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in December
Olympic Hot Springs, WA

Average cloud cover in December - Olympic Hot Springs, WA
  • Average cloud cover in December: 61

The months with the most cloud cover are January, February and March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
Olympic Hot Springs, WA

Average visibility in December - Olympic Hot Springs, WA
  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, September, October, November and December (4mi).

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Olympic Hot Springs, Washington, USA

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