The Painted Hills Unit, in John Day Fossil Beds National Monument, Oregon
Weather in December
The first month of the winter, December, is also an icy month in John Day Fossil Beds National Monument, Oregon, with an average temperature ranging between min 25°F (-3.9°C) and max 42.1°F (5.6°C).
On the first day of the month, sunrise is at 7:16 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:28 pm PST.
Temperature
In John Day Fossil Beds National Monument, the coldest period comes during January and December, when the average high-temperature touches 42.1°F (5.6°C).Rainfall
Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, 11.34" (288mm) of rain is accumulated.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 7:16 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:28 pm PST.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in John Day Fossil Beds National Monument?
In John Day Fossil Beds National Monument, Oregon, January and December are characterised by the lowest temperatures, recording an average high of 42.1°F (5.6°C).
Is December cold?
The average high-temperature and low-temperature during December are 42.1°F (5.6°C) and 25°F (-3.9°C) respectively.
How much does it rain in December?
Throughout December, 0.98" (25mm) of precipitation is accumulated.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 8h and 54min of daylight.
What is the average length of the day in December?
The average day length in December is 8h and 53min.
When are sunrise and sunset in December?
On the first day of December in John Day Fossil Beds National Monument, sunrise is at 7:16 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:28 pm PST.
Average temperature in December
John Day Fossil Beds National Monument, OR
- Average high temperature in December: 42°F
The warmest months (with the highest average high temperature) are July and August (86°F).
The months with the lowest average high temperature are January and December (42°F).
- Average low temperature in December: 25°F
The 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 least rainfall) is July (0.6").
Average daylight in December
John Day Fossil Beds National Monument, OR
- Average daylight in December: 8h and 5min
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).
John Day Fossil Beds National Monument, Oregon, USA
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