December weather forecastAumsville, OR

December

Weather in December

December, the first month of the winter in Aumsville, is also a frosty month, with an average temperature ranging between min 34.2°F (1.2°C) and max 44.6°F (7°C).

Temperature

Aumsville witnesses the coldest weather in December, with temperatures averaging a high of 44.6°F (7°C) and a low of 34.2°F (1.2°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

December is the month with the most rainfall. Rain falls for 18.2 days and accumulates 4.57" (116mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Aumsville, Oregon, during December, snow falls for 1.1 days and regularly aggregates up to 0.59" (15mm) of snow. In Aumsville, during the entire year, snow falls for 7.7 days and aggregates up to 5.59" (142mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:31 pm. On the last day of December, in Aumsville, sunrise is at 7:49 am and sunset at 4:40 pm PST.

Sunshine

In December, the average sunshine is 4.4h.

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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

Aumsville's December weather, marked by an average high temperature of 44.6°F (7°C) and an average low temperature of 34.2°F (1.2°C), is the coldest in the year.

The high-temperature during December is 44.6°F (7°C) and the low-temperature is 34.2°F (1.2°C).

In December, the average relative humidity in Aumsville is 85%.

December is the month with the most rainfall. Rain falls for 18.2 days and accumulates 4.57" (116mm) of precipitation.

In December, the rain falls for 18.2 days. Throughout December, 4.57" (116mm) of precipitation is accumulated.

In December, it is snowing for 1.1 days. Throughout December, 0.59" (15mm) of snow is accumulated.

With an average of 8h and 54min of daylight, December has the shortest days of the year.

The average day length in December in Aumsville is 8h and 52min.

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:40 pm PST.

In December, the average sunshine duration is 4.4h.

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

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Aumsville, OR

  • Average high temperature in December: 44.6°F

The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (44.6°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

Average pressure in December
Aumsville, 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).

Average wind speed in December
Aumsville, OR

  • Average wind speed in December: 5.4mph

The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Aumsville, OR

  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Aumsville, OR

  • Average rainfall in December: 4.57"

The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in December
Aumsville, OR

  • Average rainfall days in December: 18.2 days

The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is July (4.1 days).

Average snowfall in December
Aumsville, OR

  • Average snowfall in December: 0.59"

The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Aumsville, OR

  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2.9 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
Aumsville, OR

  • Average daylight in December: 8h and 54min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 4h and 24min

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

Average sunshine days in December
Aumsville, OR

  • Average sunshine days in December: 11.3 days

The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (8.4 days).

Average UV index in December
Aumsville, OR

  • Average UV index in December: 2

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

Average cloud cover in December
Aumsville, OR

  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December
Aumsville, OR

  • Average visibility in December: 5mi

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