December weather forecast
Bickleton, WA

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Weather in December

The first month of the winter, December, is also an icy month in Bickleton, Washington, with an average temperature fluctuating between 26.6°F (-3°C) and 36.5°F (2.5°C).

Temperature

December stands out as Bickleton's coldest month, with temperatures ranging between an average high of 36.5°F (2.5°C) and a low of 26.6°F (-3°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In December, the rain falls for 11 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. In Bickleton, Washington, during the entire year, the rain falls for 107.9 days and collects up to 8.46" (215mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Bickleton, Washington, in December, snow falls for 4.8 days, with typically accumulated 2.2" (56mm) of snow. Throughout the year, there are 15.8 snowfall days, and 9.69" (246mm) of snow is accumulated.

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 7:23 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:26 pm PST.

Sunshine

In Bickleton, the average sunshine in December is 5.4h.

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 low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Bickleton?

Bickleton's temperature records reveal December as the coldest month, marked by average highs of 36.5°F (2.5°C) and lows of 26.6°F (-3°C).

How cold is December in Bickleton?

The high-temperature, in December, in Bickleton, is 36.5°F (2.5°C), while the low-temperature averages to 26.6°F (-3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 84.2°F (29°C).

What is the average humidity in December in Bickleton?

In December, the average relative humidity in Bickleton, Washington, is 82%.

How many days does it rain in December in Bickleton?

In Bickleton, Washington, in December, it is raining for 11 days, with typically 0.94" (24mm) of accumulated precipitation.

How many days does it snow in December in Bickleton?

In December, in Bickleton, it is snowing for 4.8 days. Throughout December, 2.2" (56mm) of snow is accumulated.

What is the month with the shortest days in Bickleton?

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

How many hours of daylight does Bickleton have in December?

The average day length in December in Bickleton is 8h and 43min.

When is the sunrise / sunset in December in Bickleton?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 4:17 pm. On the last day of the month, in Bickleton, sunrise is at 7:43 am and sunset at 4:26 pm PST.

How many hours of sunshine does Bickleton have in December?

In Bickleton, Washington, the average sunshine duration in December is 5.4h.

What is the month with the lowest UV index in Bickleton?

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

How high is the UV index in December in Bickleton?

In December, the average daily maximum UV index in Bickleton is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Bickleton, WA

Average temperature in December - Bickleton, WA
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in December: 26.6°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

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Average pressure in December
Bickleton, WA

Average pressure in December - Bickleton, WA
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

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Average wind speed in December
Bickleton, WA

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

The windiest month (with the highest average wind speed) is June (9.2mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).

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Average humidity in December
Bickleton, WA

Average humidity in December - Bickleton, WA
  • Average humidity in December: 82%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (40%).

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Average rainfall in December
Bickleton, WA

Average rainfall in December - Bickleton, WA
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is January (1.1").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in December
Bickleton, WA

Average rainfall days in December - Bickleton, WA
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (4.4 days).

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Average snowfall in December
Bickleton, WA

Average snowfall in December - Bickleton, WA
  • Average snowfall in December: 2.2"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Bickleton, WA

Average snowfall days in December - Bickleton, WA
  • Average snowfall days in December: 4.8 days

The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in December / Average sunshine in December - Bickleton, 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 2min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in December
Bickleton, WA

Average sunshine days in December - Bickleton, WA
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (14 days).

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Average UV index in December
Bickleton, WA

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Bickleton, WA

Average cloud cover in December - Bickleton, WA
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in December
Bickleton, WA

Average visibility in December - Bickleton, 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).

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Bickleton, Washington, USA

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