Temperature, precipitation, air quality, natural hazards, and monthly weather data.
John Day experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 31°F in January while summers reach 67°F in July. The area gets 311 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 12.3 inches (drier than the 38-inch national average). The area receives 9.6 inches of snow annually. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 3,076 feet.
Temperature
31°F Jan (-1°C)67°F Jul (19°C)
Annual Average
46.8°F
13% below US avg
January Average
31°F (-1°C)
July Average
67°F (19°C)
Sunny Days
311 days/yr
Geography
Elevation
3,076 ft (938 m)
Area
1.9 sq mi (4.8 km²)
Population Density
683/sq mi
Coordinates
44.4181°N, 118.9563°W
Timezone
America/Los_Angeles
County
Grant County County
Nearest Airport
Grant County Regional/Ogilvie Field (JDA) 1 miles away
Precipitation & Snow
Annual Rainfall12.3"
68% below US avg
Snowfall9.6"
Wettest Month (Dec)1.85"
Driest Month (Jul)0.59"
Air Quality
AQI Median
32.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
32.1 / 100
Social Vulnerability
80.0 / 100
Community Resilience
30.3 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Very Low
Wildfire
Relatively Moderate
Flood
Relatively Low
Hail
Very Low
Strong Wind
Very Low
Heat Wave
Very Low
Winter Weather
Relatively Low
Lightning
Relatively Moderate
Ice Storm
Very Low
Drought
Very Low
Cold Wave
Very Low
Landslide
Relatively Low
Volcano
Very Low
Avalanche
Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
66 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.1.
Jan 30, 2000
6 km SE of Condon, Oregon
M4.1
127 km
-1 km
Mar 22, 1997
10 km ESE of Condon, Oregon
M3.9
123 km
0 km
Feb 1, 2000
7 km SE of Condon, Oregon
M3.6
125 km
-1 km
Jan 23, 2015
3 km N of Cayuse, Oregon
M3.5
147 km
20 km
Aug 31, 1999
Washington-Oregon border region
M3.5
124 km
3 km
Jan 30, 2000
8 km SE of Condon, Oregon
M3.4
124 km
-1 km
Aug 27, 2000
16 km W of Richland, Oregon
M3.3
131 km
0 km
Jul 25, 2009
10 km NW of Brogan, Oregon
M3.2
108 km
7 km
Apr 17, 1997
9 km ESE of Condon, Oregon
M3.2
123 km
3 km
Aug 17, 2000
14 km NE of Condon, Oregon
M3.2
131 km
14 km
Jul 13, 2000
7 km NW of Unity, Oregon
M3.1
55 km
19 km
Oct 17, 1993
33 km SE of Prairie City, Oregon
M3.1
44 km
13 km
Oct 1, 2003
25 km W of Richland, Oregon
M3.1
121 km
21 km
Mar 23, 1997
10 km E of Condon, Oregon
M3.1
126 km
17 km
Mar 23, 1997
11 km ESE of Condon, Oregon
M3.1
122 km
-1 km
Apr 19, 2007
63 km W of Hines, Oregon
M3.1
123 km
-1 km
Mar 8, 2023
8 km WSW of Richland, Oregon
M3.0
138 km
9 km
Dec 16, 1993
8 km ESE of Condon, Oregon
M3.0
124 km
6 km
Jan 4, 1990
16 km E of Baker City, Oregon
M3.0
112 km
5 km
Mar 21, 1999
13 km ESE of Condon, Oregon
M2.9
120 km
22 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
9 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF1.
Date
Rating
Distance
Path
Fatalities
Jul 19, 2004
EF1
55 km
2.2 mi
0
Nov 5, 2023
EF0
4 km
0.2 mi
0
Jun 27, 2023
EF0
99 km
2.1 mi
0
Jun 8, 2016
EF0
80 km
0.2 mi
0
Oct 4, 2003
EF0
30 km
0.2 mi
0
Aug 9, 2001
EF0
94 km
0.5 mi
0
Aug 9, 2001
EF0
94 km
0.2 mi
0
Sep 15, 1997
EF0
88 km
0.2 mi
0
May 11, 1995
EF0
99 km
0.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
4 volcanoes within 200 km.
Closest: Diamond Craters (148 km).
Name
Type
Elevation
Last Eruption
Distance
Diamond Craters
Volcanic field
1,435 m (4,708 ft)
-5610
148 km
Devils Garden
Volcanic field
1,698 m (5,571 ft)
Unknown
183 km
Jordan Craters
Volcanic field
1,473 m (4,833 ft)
-1250
186 km
Newberry
Shield
2,434 m (7,986 ft)
690
197 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: BATTLE MOUNTAIN COMPLEX (184,979 acres, 2024).
Year
Name
Acres Burned
Distance
2024
BATTLE MOUNTAIN COMPLEX
184,979
70 km
2007
EGLEY COMPLEX (EGLEY)
139,515
75 km
2015
CANYON CREEK COMPLEX
109,786
16 km
2015
CORNET-WINDY RIDGE
102,553
99 km
1990
PINE SPRINGS BASIN
71,143
93 km
2014
SOUTH FORK COMPLEX
66,743
43 km
2007
MONUMENT COMPLEX (RED HILL FIRE)
54,572
70 km
1996
TOWER
50,827
72 km
2015
BENDIRE COMPLEX
49,260
92 km
2007
IRISH SPRING
47,845
73 km
2016
RAIL
43,813
49 km
1996
BULL COMPLEX (SUMMIT)
36,318
40 km
2007
BARTLETT MOUNTAIN
31,845
93 km
2015
CORNER CREEK 0297 PR
30,303
55 km
2001
MONUMENT COMPLEX (MALLORY)
29,095
65 km
2007
JUNIPER RESERVOIR
28,455
95 km
2021
BLACK BUTTE
24,736
58 km
2002
MONUMENT-MALHEUR COMPLEX (MONUMENT)
23,860
55 km
1996
WHEELER POINT
22,669
90 km
1990
BUCK SPRINGS
20,969
98 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
31°F (-1°C)
1.6 in
February
32°F (0°C)
1.1 in
March
36°F (2°C)
1.3 in
April
41°F (5°C)
1.3 in
May
49°F (9°C)
1.6 in
June
56°F (13°C)
1.3 in
July
67°F (19°C)
0.6 in
Warmest, Driest
August
63°F (17°C)
0.9 in
September
56°F (13°C)
0.8 in
October
47°F (8°C)
1.1 in
November
36°F (2°C)
1.7 in
December
29°F (-2°C)
1.9 in
Coldest, Wettest
John Day has a seasonal temperature swing of 38°F / from 29°F in December to 67°F in July. Total annual precipitation is 15.3 inches, with December being the wettest month (1.9") and July the driest (0.6").