Weather & Climate in Endicott, WA

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Endicott experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 32°F in January while summers reach 71°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 15.1 inches (drier than the 38-inch national average). The area receives 17.1 inches of snow annually, a moderate snowfall amount. 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 1,707 feet.

Temperature

32°F Jan (0°C) 71°F Jul (22°C)

Annual Average	50.1°F
	7% below US avg
January Average	32°F (0°C)
July Average	71°F (22°C)
Sunny Days	273 days/yr

Geography

Elevation	1,707 ft (520 m)
Area	0.1 sq mi (0.3 km²)
Population Density	1,383/sq mi
Coordinates	46.9282°N, 117.6867°W
Timezone	America/Los_Angeles
County	Whitman County County
Nearest Airport	Pullman/Moscow Regional (PUW) 30 miles away

Precipitation & Snow

Annual Rainfall 15.1"

60% below US avg

Snowfall 17.1"

Wettest Month (Dec) 2.20"

Driest Month (Jul) 0.55"

Air Quality

AQI Median	28.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	39.8 / 100
Social Vulnerability	20.8 / 100
Community Resilience	50.6 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Very Low
Wildfire	Relatively Low
Flood	Relatively Low
Hail	Relatively Low
Strong Wind	Relatively Low
Heat Wave	Relatively Low
Winter Weather	Relatively Low
Lightning	Very Low
Ice Storm	Relatively Low
Drought	Very Low
Cold Wave	Relatively Moderate
Landslide	Relatively Moderate
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

112 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.

Nov 28, 1991	7 km S of Walla Walla East, Washington	M4.3	115 km	9 km
Jul 14, 1992	6 km S of Walla Walla East, Washington	M4.1	114 km	11 km
Nov 11, 2001	3 km NE of Spokane, Washington	M4.0	87 km	4 km
Jun 25, 2001	Washington	M3.9	87 km	10 km
Jun 28, 1998	3 km SE of Genesee, Idaho	M3.8	75 km	10 km
Sep 4, 2011	14 km N of Richland, Washington	M3.7	133 km	2 km
Jun 17, 2004	11 km SSE of Washtucna, Washington	M3.4	51 km	17 km
Jan 13, 1994	11 km SW of Lind, Washington	M3.4	77 km	0 km
Jun 25, 2001	2 km SSE of Town and Country, Washington	M3.4	89 km	10 km
Mar 8, 1994	32 km S of Wallace, Idaho	M3.4	136 km	5 km
Oct 15, 2011	13 km N of Richland, Washington	M3.4	133 km	1 km
Jun 12, 1995	13 km N of Richland, Washington	M3.3	134 km	1 km
Feb 28, 2004	10 km WSW of Wallula, Washington	M3.3	142 km	1 km
Nov 12, 2001	3 km NNE of Spokane, Washington	M3.3	87 km	0 km
Sep 22, 2003	12 km NW of Rathdrum, Idaho	M3.3	119 km	13 km
Dec 15, 1991	6 km SSW of Walla Walla East, Washington	M3.3	115 km	8 km
Jun 19, 1990	11 km W of Othello, Washington	M3.3	125 km	2 km
May 27, 1997	15 km W of Othello, Washington	M3.3	129 km	2 km
May 11, 2001	4 km NNW of Moses Lake North, Washington	M3.3	130 km	11 km
May 1, 2011	13 km N of Richland, Washington	M3.3	133 km	2 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

33 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.

Date	Rating	Distance	Path	Fatalities
Aug 30, 1971	EF2	26 km	0.5 mi	0
Mar 14, 1966	EF2	48 km	1.0 mi	0
May 8, 1962	EF2	90 km	9.1 mi	0
May 6, 1957	EF2	72 km	1.5 mi	0
Jun 15, 1954	EF2	60 km	0.5 mi	0
May 6, 2009	EF1	100 km	3.4 mi	0
Jan 16, 2000	EF1	72 km	1.0 mi	0
May 19, 1986	EF1	74 km	2.0 mi	0
Apr 12, 1984	EF1	95 km	1.0 mi	0
Oct 17, 1983	EF1	62 km	0.5 mi	0
Jul 1, 1978	EF1	89 km	2.3 mi	0
May 2, 1973	EF1	57 km	0.1 mi	0
Jun 29, 1970	EF1	97 km	0.1 mi	0
Jun 20, 1969	EF1	83 km	1.0 mi	0
Apr 18, 2024	EF0	82 km	0.0 mi	0
Mar 26, 2024	EF0	91 km	0.0 mi	0
May 6, 2022	EF0	82 km	0.6 mi	0
May 6, 2022	EF0	84 km	2.1 mi	0
Aug 9, 2016	EF0	81 km	0.2 mi	0
Jul 22, 2016	EF0	82 km	0.2 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 19.8 m (65 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1949	COLUMBIA RIVER VALLEY, WA	Meteorological	19.8 m	—	111 km
2009	COLUMBIA RIVER VALLEY, WA	Meteorological	9.0 m	—	101 km
2009	COLUMBIA RIVER VALLEY, WA	Meteorological	3.6 m	—	113 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: COLUMBIA COMPLEX (118,865 acres, 2006).

Year	Name	Acres Burned	Distance
2006	COLUMBIA COMPLEX	118,865	85 km
2021	LICK CREEK	80,376	81 km
2005	SCHOOL	51,701	72 km
2021	GREEN RIDGE	44,604	86 km
2012	APACHE PASS	25,101	97 km
2005	WALKER CANYON	20,764	84 km
2010	EUREKA	19,811	84 km
2020	KAHLOTUS	16,738	83 km
2010	UNNAMED	16,737	68 km
1991	UNNAMED	12,401	97 km
2021	BEDROCK	11,998	98 km
2010	HUBBARD	10,824	62 km
2016	SNAKE RIVER FIRE	10,349	44 km
2023	GRAY	10,096	67 km
2016	KAHLOTUS	9,386	79 km
2016	FLETCHER ROAD	9,380	60 km
2014	WATERMELON HILL	9,321	47 km
2021	SILCOTT	8,864	75 km
2007	UNNAMED	8,547	83 km
2022	WAGNER ROAD	8,155	22 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	32°F (0°C)	1.9 in
February	36°F (2°C)	1.5 in
March	42°F (6°C)	1.6 in
April	49°F (9°C)	1.2 in
May	56°F (13°C)	1.2 in
June	63°F (17°C)	1.0 in
July	71°F (22°C)	0.6 in	Warmest, Driest
August	70°F (21°C)	0.6 in
September	61°F (16°C)	0.8 in
October	49°F (10°C)	1.0 in
November	39°F (4°C)	2.0 in
December	31°F (-0°C)	2.2 in	Coldest, Wettest

Endicott has a seasonal temperature swing of 40°F / from 31°F in December to 71°F in July. Total annual precipitation is 15.5 inches, with December being the wettest month (2.2") and July the driest (0.6").

View full profile of Endicott, WA →