Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Otis Orchards-East Farms experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 32°F in January while summers reach 72°F in July. The area gets 273 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 17.4 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 28 / among the cleanest air in the country. The city sits at an elevation of 2,075 feet.
Temperature
32°F Jan (-0°C)72°F Jul (22°C)
Annual Average
49.8°F
8% below US avg
January Average
32°F (-0°C)
July Average
72°F (22°C)
Sunny Days
273 days/yr
Geography
Elevation
2,075 ft (632 m)
Area
3.1 sq mi (8.1 km²)
Population Density
683/sq mi
Coordinates
47.7049°N, 117.0852°W
Timezone
America/Los_Angeles
County
Spokane County County
Nearest Airport
Spokane International (GEG) 22 miles away
Precipitation & Snow
Annual Rainfall17.4"
54% below US avg
Wettest Month (Dec)3.23"
Driest Month (Jul)0.94"
Air Quality
AQI Median
28.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
90.0 / 100
Social Vulnerability
21.0 / 100
Community Resilience
75.8 / 100
Hazard Breakdown
Tornado
Relatively Low
Earthquake
Relatively Low
Wildfire
Relatively Moderate
Flood
Relatively Moderate
Hail
Relatively Low
Strong Wind
Relatively High
Heat Wave
Relatively Moderate
Winter Weather
Relatively High
Lightning
Relatively Moderate
Ice Storm
Very High
Drought
Very Low
Cold Wave
Relatively High
Landslide
Very Low
Avalanche
Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
91 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.7.
Dec 22, 1998
Idaho-Montana border region
M4.7
144 km
12 km
Aug 17, 1994
1 km E of Mullan, Idaho
M4.1
101 km
2 km
Nov 11, 2001
3 km NE of Spokane, Washington
M4.0
24 km
4 km
Jun 25, 2001
Washington
M3.9
24 km
10 km
Apr 24, 2015
8 km WSW of Hope, Idaho
M3.9
76 km
17 km
Jun 28, 1998
3 km SE of Genesee, Idaho
M3.8
131 km
10 km
Apr 24, 2015
12 km SSW of East Hope, Idaho
M3.7
72 km
9 km
May 30, 1996
3 km SSW of Mullan, Idaho
M3.6
99 km
1 km
Mar 14, 1997
1 km E of Mullan, Idaho
M3.6
101 km
2 km
Jan 20, 2000
21 km ENE of Athol, Idaho
M3.5
59 km
5 km
Nov 2, 1996
4 km W of Trout Creek, Montana
M3.4
108 km
5 km
Jun 28, 1997
3 km NNW of Mullan, Idaho
M3.4
98 km
2 km
Mar 8, 1994
32 km S of Wallace, Idaho
M3.4
104 km
5 km
Jun 25, 2001
2 km SSE of Town and Country, Washington
M3.4
24 km
10 km
Dec 15, 2012
19 km S of Troy, Montana
M3.4
111 km
1 km
Jun 17, 2004
11 km SSE of Washtucna, Washington
M3.4
144 km
17 km
Feb 11, 2025
2 km NNW of Mullan, Idaho
M3.3
99 km
5 km
Sep 22, 2003
12 km NW of Rathdrum, Idaho
M3.3
22 km
13 km
May 10, 2000
Idaho-Montana border region
M3.3
101 km
2 km
Nov 12, 2001
3 km NNE of Spokane, Washington
M3.3
24 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
31 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 4 injuries.
Date
Rating
Distance
Path
Fatalities
May 31, 1997
EF2
42 km
5.0 mi
0
Apr 9, 1991
EF2
55 km
1.0 mi
0
Jul 17, 1978
EF2
53 km
0.1 mi
0
Aug 30, 1971
EF2
90 km
0.5 mi
0
May 6, 1957
EF2
27 km
1.5 mi
0
Jun 15, 1954
EF2
38 km
0.5 mi
0
May 6, 2009
EF1
79 km
3.4 mi
0
May 31, 1997
EF1
36 km
5.0 mi
0
May 29, 1994
EF1
97 km
0.1 mi
0
Apr 12, 1984
EF1
11 km
1.0 mi
0
Oct 17, 1983
EF1
43 km
0.5 mi
0
Jun 22, 1981
EF1
39 km
0.1 mi
0
Aug 19, 1978
EF1
74 km
1.9 mi
0
Jun 29, 1970
EF1
47 km
0.1 mi
0
Apr 18, 2024
EF0
36 km
0.0 mi
0
Mar 26, 2024
EF0
87 km
0.0 mi
0
May 6, 2022
EF0
34 km
0.6 mi
0
May 6, 2022
EF0
21 km
2.1 mi
0
Aug 9, 2016
EF0
41 km
0.2 mi
0
Jul 22, 2016
EF0
36 km
0.2 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Tsunami History
9 tsunamis recorded within 500 km.
Highest wave on record: 19.8 m (65 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1952
COLUMBIA RIVER VALLEY, WA
Meteorological
19.8 m
-
125 km
1949
COLUMBIA RIVER VALLEY, WA
Meteorological
19.8 m
-
96 km
2024
COLUMBIA RIVER VALLEY, WA
Meteorological
14.3 m
-
124 km
1944
COLUMBIA RIVER VALLEY, WA
Meteorological
9.1 m
-
125 km
2009
COLUMBIA RIVER VALLEY, WA
Meteorological
9.0 m
-
72 km
1953
COLUMBIA RIVER VALLEY, WA
Meteorological
4.8 m
-
125 km
2009
COLUMBIA RIVER VALLEY, WA
Meteorological
3.6 m
-
83 km
1953
COLUMBIA RIVER VALLEY, WA
Meteorological
-
-
125 km
1952
COLUMBIA RIVER VALLEY, WA
Meteorological
-
-
125 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: CARPENTER RD. (62,488 acres, 2015).
Year
Name
Acres Burned
Distance
2015
CARPENTER RD.
62,488
84 km
2015
TOWER
24,779
87 km
2008
SWANSON LAKE
18,941
99 km
2021
FORD CORKSCREW
16,179
54 km
2021
DECEITFUL
12,750
84 km
1991
UNNAMED
12,401
52 km
2015
SOUTH BOBTAIL
11,256
95 km
2023
OREGON
10,957
33 km
2023
GRAY
10,096
48 km
2016
CAYUSE MTN
9,744
73 km
2014
WATERMELON HILL
9,321
66 km
2015
LOWER FLAT
9,034
72 km
2018
COUGAR
8,708
95 km
2022
WAGNER ROAD
8,155
93 km
2021
TRESTLE CREEK COMPLEX
7,117
94 km
2016
SPOKANE COMPLEX
6,839
28 km
1991
UNNAMED
6,024
96 km
1991
UNNAMED
5,297
59 km
2015
NORTH GRIZZLY
5,286
72 km
2018
ANGEL SPRINGS
4,718
71 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
32°F (-0°C)
3.0 in
February
32°F (0°C)
2.2 in
March
38°F (4°C)
2.0 in
April
46°F (8°C)
1.7 in
May
53°F (12°C)
2.1 in
June
60°F (16°C)
1.7 in
July
72°F (22°C)
0.9 in
Warmest, Driest
August
66°F (19°C)
1.1 in
September
57°F (14°C)
1.1 in
October
46°F (8°C)
1.5 in
November
35°F (2°C)
3.1 in
December
29°F (-2°C)
3.2 in
Coldest, Wettest
Otis Orchards-East Farms has a seasonal temperature swing of 43°F / from 29°F in December to 72°F in July. Total annual precipitation is 23.5 inches, with December being the wettest month (3.2") and July the driest (0.9").