December weather forecast
Wilbur, OR

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Weather in December

December, the first month of the winter in Wilbur, is also a frosty month, with an average temperature fluctuating between 33.1°F (0.6°C) and 46°F (7.8°C).

Temperature

The lowest temperatures are recorded in December, with averages reaching a high of 46°F (7.8°C) and a low of 33.1°F (0.6°C).

Humidity

January, February and December, with an average relative humidity of 87%, are the most humid months in Wilbur, Oregon.

Rainfall

The month with the most rainfall is December, when the rain falls for 17.9 days and typically aggregates up to 4.17" (106mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Wilbur, Oregon. In Wilbur, in December, during 0.9 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Wilbur, during the entire year, snow falls for 5.2 days and aggregates up to 4.09" (104mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:47 pm PST.

Sunshine

In December, the average sunshine is 4.3h.

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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during December leads to these advisories:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Boost your sun resistance with garments that are densely woven yet spacious. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What time of the year is the coldest in Wilbur?

In Wilbur, Oregon, the lowest temperatures are generally noted in December, averaging a high of 46°F (7.8°C) and a low of 33.1°F (0.6°C).

What are the temperatures in Wilbur in December?

The high-temperature, in December, in Wilbur, is 46°F (7.8°C), while the low-temperature averages to 33.1°F (0.6°C).

What are the most humid months in Wilbur?

January, February and December, with an average relative humidity of 87%, are most humid months in Wilbur.

What is the average humidity in December in Wilbur?

The average relative humidity in December is 87%.

What is the wettest month in Wilbur?

December is the month with the most rainfall in Wilbur, Oregon. Rain falls for 17.9 days and accumulates 4.17" (106mm) of precipitation.

How many days does it rain in December in Wilbur?

In Wilbur, in December, during 17.9 rainfall days, 4.17" (106mm) of precipitation is typically accumulated.

How much does it snow in Wilbur in December?

In Wilbur, during December, snow falls for 0.9 days and regularly aggregates up to 0.43" (11mm) of snow.

What is the month with the shortest days in Wilbur?

With an average of 9h and 0min of daylight, December has the shortest days of the year in Wilbur.

How many hours of daylight does Wilbur have in December?

In December, the average day length is 9h and 2min.

What time are sunrise and sunset in December in Wilbur?

On the first day of December in Wilbur, Oregon, sunrise is at 7:26 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:47 pm PST.

How long on average sun shines in December in Wilbur?

The average sunshine duration in December in Wilbur is 4.3h.

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

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

What is the UV index reading in December in Wilbur?

In December, the average daily maximum UV index in Wilbur is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Wilbur, OR

Average temperature in December - Wilbur, OR
  • Average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (46°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

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Average pressure in December
Wilbur, OR

Average pressure in December - Wilbur, OR
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in December
Wilbur, OR

Average wind speed in December - Wilbur, OR
  • Average wind speed in December: 3.9mph

The windiest months (with the highest average wind speed) are January and March (4mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).

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Average humidity in December
Wilbur, OR

Average humidity in December - Wilbur, OR
  • Average humidity in December: 87%

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).

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Average rainfall in December
Wilbur, OR

Average rainfall in December - Wilbur, OR
  • Average rainfall in December: 4.17"

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in December
Wilbur, OR

Average rainfall days in December - Wilbur, OR
  • Average rainfall days in December: 17.9 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in December
Wilbur, OR

Average snowfall in December - Wilbur, OR
  • Average snowfall in December: 0.43"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Wilbur, OR

Average snowfall days in December - Wilbur, OR
  • Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Wilbur, OR

Average daylight in December / Average sunshine in December - Wilbur, OR
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in December
Wilbur, OR

Average sunshine days in December - Wilbur, OR
  • Average sunshine days in December: 11.6 days

The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is February (9.7 days).

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Average UV index in December
Wilbur, OR

Average UV index in December - Wilbur, OR
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
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
Wilbur, OR

Average cloud cover in December - Wilbur, OR
  • Average cloud cover in December: 57

The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
Wilbur, OR

Average visibility in December - Wilbur, OR
  • Average visibility in December: 4mi

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

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Wilbur, Oregon, USA

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