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

December weather forecast and climate
Wasco, OR

A scenic shot of a big ranch farm with a large, red barn and a vast planted farm outback, near Wasco Town in Oregon
A scenic shot of a big ranch farm with a large, red barn and a vast planted farm outback, near Wasco Town in Oregon
December, the first month of the winter, in Wasco, is also a wintry month, with average temperature ranging between min 28°F (-2.2°C) and max 40.5°F (4.7°C).

Temperature

In December, the average high-temperature marginally drops, from a frosty 48.2°F (9°C) in November, to a wintry 40.5°F (4.7°C). In Wasco, the average low-temperature is 28°F (-2.2°C).

Rainfall

The month with the most rainfall in Wasco, Oregon, is December when the rain falls for 10 days and typically aggregates up to 1.9" (47.5mm) of precipitation.

Snowfall

Months with snowfall in Wasco are January through March, October through December.

Daylight

With an average of 8.8h of daylight, December has the shortest days of the year.

What is the temperature in December in Wasco?

In December, the average high-temperature is 40.5°F (4.7°C), and the average low-temperature is 28°F (-2.2°C).

How many days does it rain in December in Wasco?

In Wasco, in December, it is raining for 10 days, with typically 1.9" (47.5mm) of accumulated precipitation.

What is the wettest month in Wasco?

December is the month with the most rainfall in Wasco, Oregon. Rain falls for 10 days and accumulates 1.9" (47.5mm) of precipitation.

How much does it snow in Wasco in December?

During December, Wasco regularly aggregates up to 3.8" (96.5mm) of snow.

What is the month with the shortest days in Wasco?

The month with the shortest days in Wasco, Oregon, is December, with an average of 8.8h of daylight.

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

The average length of the day in December in Wasco, Oregon, is 8.8h.
Average temperature in December - Wasco, OR
  • Average high temperature in December: 40.4°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.1°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (54.6°F).
The coldest month (with the lowest average low temperature) is January (24.2°F).

Average rainfall in December - Wasco, OR
  • Average rainfall in December: 1.9"

The wettest month (with the highest rainfall) is December (1.9").
The driest month (with the lowest rainfall) is July (0.2").

Average rainfall days in December - Wasco, OR
  • Average rainfall days in December: 10 days

Months with the highest number of rainy days are January, November and December (10 days).
Months with the lowest number of rainy days are July and August (2 days).

Average snowfall in December - Wasco, OR
  • Average snowfall in December: 3.8"

The month with the highest snowfall is January (6.2").
Months with the lowest snowfall are April, May, June, July, August and September (0").

Average daylight in December - Wasco, OR
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).