John Day Fossil Beds National Monument
Oregon, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
John Day Fossil Beds National Monument, OR

A scenic hillside view of the Painted Hills Unit, in John Day Fossil Beds National Monument, Oregon
A scenic hillside view of the Painted Hills Unit, in John Day Fossil Beds National Monument, Oregon
December, the first month of the winter, in John Day Fossil Beds National Monument, is also a wintry month, with average temperature fluctuating between 42.1°F (5.6°C) and 25°F (-3.9°C).

Temperature

January and December, with an average high-temperature of 42.1°F (5.6°C), are the coldest months.

Rainfall

In John Day Fossil Beds National Monument, Oregon, 1" (25.1mm) of precipitation is typically accumulated. Throughout the year, 11.4" (288.4mm) of rain is accumulated.

Daylight

The month with the shortest days in John Day Fossil Beds National Monument is December, with an average of 8.9h of daylight.

What are the coldest months in John Day Fossil Beds National Monument?

January and December, with an average high-temperature of 42.1°F (5.6°C), are the coldest months in John Day Fossil Beds National Monument, Oregon.

What is the temperature in December in John Day Fossil Beds National Monument?

In John Day Fossil Beds National Monument, in December, the average high-temperature is 42.1°F (5.6°C), and the average low-temperature is 25°F (-3.9°C).

How much does it rain in John Day Fossil Beds National Monument in December?

Throughout December, in John Day Fossil Beds National Monument, Oregon, 1" (25.1mm) of precipitation is accumulated.

What is the month with the shortest days in John Day Fossil Beds National Monument?

The month with the shortest days in John Day Fossil Beds National Monument, Oregon, is December, with an average of 8.9h of daylight.

What is the average length of the day in December in John Day Fossil Beds National Monument?

In John Day Fossil Beds National Monument, the average length of the day in December is 8.9h.
Average temperature in December - John Day Fossil Beds National Monument, OR
  • Average high temperature in December: 42°F

Warmest months (with the highest average high temperature) are July and August (86°F).
Months with the lowest average high temperature are January and December (42°F).

  • Average low temperature in December: 25°F

Months with the highest average low temperature are July and August (52°F).
The coldest month (with the lowest average low temperature) is January (24°F).

Average rainfall in December - John Day Fossil Beds National Monument, OR
  • Average rainfall in December: 1"

The wettest month (with the highest rainfall) is May (1.7").
The driest month (with the lowest rainfall) is July (0.6").

Average daylight in December - John Day Fossil Beds National Monument, OR
  • Average daylight in December: 8.9h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).