Weather

Weather conditions at John Day Fossil Beds National Monument are highly variable in this semi-arid desert landscape. Summer highs can climb into the 110's. Winters tend to be fairly mild, with occasional snow and ice and lows seldom dipping below zero.

See the table below for a list average monthly temperatures in the town of Dayville, OR (the town closest to the Sheeprock Unit) between 1991 and 2020. Please note, these are only averages and do not represent the extreme temperatures the park can reach during the summer, nor does it represent snowfall.

Average monthly temperatures and precipitation for Dayville, OR

	Average High (Fahrenheit)	Average Low (Fahrenheit)	Total Precipitation (inches)
January	45°	29°	1.12
February	50°	29°	0.85
March	58°	33°	1.27
April	63°	37°	1.38
May	73°	44°	1.95
June	81°	49°	1.38
July	93°	55°	0.53
August	92°	53°	0.54
September	82°	47°	0.56
October	67°	39°	1.09
November	54°	33°	1.32
December	46°	27°	1.14

View local data from the park's weather station.

 

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Clarno Unit Forecast

Hazardous Weather Conditions

Lat: 44.90999984741211 Long: -120.4000015258789

Last updated:

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Painted Hills Unit Forecast

Hazardous Weather Conditions

Lat: 44.63999938964844 Long: -120.26000213623047

Last updated:

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Sheep Rock Unit Forecast

Hazardous Weather Conditions

Lat: 44.55283659145553 Long: -119.64563560590613

Last updated:

Current Conditions

Humidity
Wind Speed
Barometer
Dewpoint
Visibility
Wind Chill

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