Eugene
Oregon, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Eugene, OR

Bright neon lights light up the colorful city of Eugene in Oregon, a deep blue mountain, and the night sky still clear and blue above
Bright neon lights light up the colorful city of Eugene in Oregon, a deep blue mountain, and the night sky still clear and blue above
December, the first month of the winter, in Eugene, is still a chilly month, with average temperature ranging between max 45.7°F (7.6°C) and min 34.2°F (1.2°C).

Temperature

The coldest month is December, with an average high-temperature of 45.7°F (7.6°C) and an average low-temperature of 34.2°F (1.2°C).

Rainfall

December is the month with the most rainfall in Eugene. Rain falls for 17.9 days and accumulates 7.8" (198.9mm) of precipitation.

Snowfall

January, February, November and December are months with snowfall.

Daylight

The month with the shortest days is December, with an average of 8.9h of daylight.

Sunshine

With an average of 2h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 1 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Eugene?

The coldest month is December, with an average high-temperature of 45.7°F (7.6°C) and an average low-temperature of 34.2°F (1.2°C).

What is the temperature in December in Eugene?

In Eugene, in December, the average high-temperature is 45.7°F (7.6°C), and the average low-temperature is 34.2°F (1.2°C).

How much does it rain in Eugene in December?

In Eugene, Oregon, in December, during 17.9 rainfall days, 7.8" (198.9mm) of precipitation is typically accumulated.

What is the wettest month in Eugene?

December is the month with the most rainfall in Eugene. Rain falls for 17.9 days and accumulates 7.8" (198.9mm) of precipitation.

How many days does it snow in December in Eugene?

In Eugene, in December, snow falls for 0.5 days, with typically accumulated 0.8" (20.3mm) of snow.

What is the month with the shortest days in Eugene?

With an average of 8.9h of daylight, December has the shortest days of the year in Eugene, Oregon.

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

In Eugene, the average length of the day in December is 8.9h.

What is the month with the least sunshine in Eugene?

December has the least sunshine of the year, with an average of 2h of sunshine.

How long on average sun shines in December in Eugene?

In December, the average sunshine is 2h.

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

Months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Eugene?

The average daily maximum UV index in December in Eugene, Oregon, is 1. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.
Average temperature in December - Eugene, OR
  • Average high temperature in December: 45.6°F

The warmest month (with the highest average high temperature) is August (82.8°F).
The month with the lowest average high temperature is December (45.6°F).

  • Average low temperature in December: 34.1°F

The month with the highest average low temperature is July (51.7°F).
The coldest month (with the lowest average low temperature) is December (34.1°F).

Average rainfall in December - Eugene, OR
  • Average rainfall in December: 7.8"

The wettest month (with the highest rainfall) is December (7.8").
Driest months (with the lowest rainfall) are July and August (0.6").

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

Months with the highest number of rainy days are November and December (17.9 days).
The month with the lowest number of rainy days is July (3.1 days).

Average snowfall in December - Eugene, OR
  • Average snowfall in December: 0.8"

The month with the highest snowfall is February (1.4").
Months with the lowest snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in December - Eugene, OR
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (0.7 days).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Eugene, OR
  • Average daylight in December: 8.9h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in December: 2h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in December - Eugene, OR
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).