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

December weather forecast and climate
Vernonia, OR

December, the first month of the winter, in Vernonia, is still a chilly month, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 30.6°F (-0.8°C).

Temperature

With an average high-temperature of 44.1°F (6.7°C) and an average low-temperature of 30.6°F (-0.8°C), December is the coldest month.

Rainfall

The month with the most rainfall is December when the rain falls for 20 days and typically aggregates up to 8.2" (208mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Vernonia, Oregon. Throughout December, 1.7" (43.2mm) of snow is accumulated. Throughout the year, 8.2" (208.2mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Vernonia, with an average of 8.7h of daylight.

What is the coldest month in Vernonia?

December is the coldest month, with an average high-temperature of 44.1°F (6.7°C) and an average low-temperature of 30.6°F (-0.8°C).

What is the temperature in December in Vernonia?

In December, in Vernonia, the average high-temperature is 44.1°F (6.7°C), and the average low-temperature is 30.6°F (-0.8°C).

How much does it rain in Vernonia in December?

In Vernonia, in December, it is raining for 20 days, with typically 8.2" (208mm) of accumulated precipitation.

What is the wettest month in Vernonia?

The month with the most rainfall is December when the rain falls for 20 days and typically aggregates up to 8.2" (208mm) of precipitation.

How much does it snow in Vernonia in December?

During December, Vernonia regularly aggregates up to 1.7" (43.2mm) of snow.

What is the month with the shortest days in Vernonia?

The month with the shortest days in Vernonia is December, with an average of 8.7h of daylight.

How many hours of daylight does Vernonia have in December?

In December, the average length of the day in Vernonia, Oregon, is 8.7h.
Average temperature in December - Vernonia, OR
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is August (76.7°F).
The month with the lowest average high temperature is December (44.1°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (47°F).
The coldest month (with the lowest average low temperature) is January (30.1°F).

Average rainfall in December - Vernonia, OR
  • Average rainfall in December: 8.2"

The wettest month (with the highest rainfall) is December (8.2").
The driest month (with the lowest rainfall) is July (0.5").

Average rainfall days in December - Vernonia, OR
  • Average rainfall days in December: 20 days

Months with the highest number of rainy days are January, March, November and December (20 days).
The month with the lowest number of rainy days is July (4 days).

Average snowfall in December - Vernonia, OR
  • Average snowfall in December: 1.7"

The month with the highest snowfall is January (3.1").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average daylight in December - Vernonia, OR
  • Average daylight in December: 8.7h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).