December weather forecast
Mabana, WA

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Weather in December

The first month of the winter, December, is still a cold month in Mabana, Washington, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 42.3°F (5.7°C).

Temperature

During the coldest month, December, temperatures average a high of 42.3°F (5.7°C) and a low of 34.7°F (1.5°C).

Humidity

January and December, with an average relative humidity of 85%, are the most humid months.

Rainfall

In Mabana, during December, the rain falls for 19.3 days and regularly aggregates up to 3.82" (97mm) of precipitation. Throughout the year, there are 179.1 rainfall days, and 29.57" (751mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Mabana, during December, snow falls for 1.5 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, in Mabana, Washington, there are 8.9 snowfall days, and 6.1" (155mm) of snow is accumulated.

Daylight

The month with the shortest days in Mabana is December, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 7:39 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:26 pm PST.

Sunshine

The months with the least sunshine are January and December, with an average of 4.2h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mabana, Washington. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Mabana?

The month of December sees the average lowest temperatures in Mabana, Washington, reaching 42.3°F (5.7°C) at the peak and 34.7°F (1.5°C) at the low.

Is December cold in Mabana?

The average high-temperature and low-temperature during December are 42.3°F (5.7°C) and 34.7°F (1.5°C) respectively.

What is the most humid month in Mabana?

The months with the highest humidity in Mabana are January and December, with an average relative humidity of 85%.

What is the average humidity in December in Mabana?

The average relative humidity in December in Mabana is 85%.

How many days does it rain in December in Mabana?

In Mabana, Washington, in December, it is raining for 19.3 days, with typically 3.82" (97mm) of accumulated precipitation.

How much does it snow in Mabana in December?

In Mabana, Washington, in December, snow falls for 1.5 days, with typically accumulated 0.51" (13mm) of snow.

What is the month with the shortest days in Mabana?

December has the shortest days of the year, with an average of 8h and 24min of daylight.

What is the average length of the day in December in Mabana?

In December, the average day length in Mabana, Washington, is 8h and 26min.

When are sunrise and sunset in December in Mabana?

On the first day of December in Mabana, sunrise is at 7:39 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:26 pm PST.

What are the months with the least sunshine in Mabana?

January and December, with an average of 4.2h of sunshine, are months with the least sunshine.

How long on average sun shines in December in Mabana?

The average sunshine duration in December in Mabana is 4.2h.

What are the months with the lowest UV index in Mabana?

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

How high is the UV index in December in Mabana?

In Mabana, Washington, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Mabana, WA

Average temperature in December - Mabana, WA
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).

Average pressure in December
Mabana, WA

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

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in December
Mabana, WA

Average wind speed in December - Mabana, WA
  • Average wind speed in December: 5.4mph

The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in December
Mabana, WA

Average humidity in December - Mabana, WA
  • Average humidity in December: 85%

The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).

Average rainfall in December
Mabana, WA

Average rainfall in December - Mabana, WA
  • Average rainfall in December: 3.82"

The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in December
Mabana, WA

Average rainfall days in December - Mabana, WA
  • Average rainfall days in December: 19.3 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).

Average snowfall in December
Mabana, WA

Average snowfall in December - Mabana, WA
  • Average snowfall in December: 0.51"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Mabana, WA

Average snowfall days in December - Mabana, WA
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (3.1 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
Mabana, WA

Average daylight in December / Average sunshine in December - Mabana, WA
  • Average daylight in December: 8h and 2min

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 24min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

Average sunshine days in December
Mabana, WA

Average sunshine days in December - Mabana, WA
  • Average sunshine days in December: 10.1 days

The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).

Average UV index in December
Mabana, WA

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

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Mabana, WA

Average cloud cover in December - Mabana, WA
  • Average cloud cover in December: 57

The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in December
Mabana, WA

Average visibility in December - Mabana, WA
  • Average visibility in December: 5mi

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

Mabana, Washington, USA

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