Rochester, WA

Full City Profile · Washington · Pacific County County

3.1 /5.0

B Good

6,025 Population 712/sq mi density

$94,754 Median Income $34,053 per capita

$391,600 Home Value $508,250 Zillow

$1,182 Median Rent 46.3% income on rent

52°F Avg Temperature 240 sunny days/yr

486 Violent Crime/100K 4,173 property/100K

Overall

3.1 / 5.0

Good overall score based on economy, affordability, safety and education

A+

Economy

4.9 / 5.0

$94,754 median income, 0.6% unemployment

Affordability

4.4 / 5.0

$391,600 home value, $1,182/mo rent

Safety

1.0 / 5.0

486 violent crimes/100K (28% above avg)

Education

2.2 / 5.0

15.0% bachelor's degree or higher

Rochester experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 40°F in January while summers reach 65°F in July. The area gets 240 sunny days per year. Annual precipitation totals 41.6 inches. Air quality is rated Good with a median AQI of 28.

Temperature

40°F Jan (5°C) 65°F Jul (18°C)

Annual Average	51.5°F
	5% below US avg
January Average	40°F (5°C)
July Average	65°F (18°C)
Sunny Days	240 days/yr

Geography

Elevation	163 ft (50 m)
Area	0.9 sq mi (2.3 km²)
Population Density	712/sq mi
Coordinates	46.8204°N, 123.0643°W
Timezone	America/Los_Angeles
County	Pacific County County
Nearest Airport	Olympia Regional (OLM) 13 miles away

Precipitation & Snow

Annual Rainfall 41.6"

9% above US avg

Wettest Month (Dec) 9.09"

Driest Month (Jul) 0.94"

Air Quality

AQI Median	28.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	92.8 / 100
Social Vulnerability	64.4 / 100
Community Resilience	69.6 / 100

Hazard Breakdown

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

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

Earthquake History

1,300 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.8. Most recent: M2.8 on Aug 10, 2025.

Feb 28, 2001	7 km SSE of Longbranch, Washington	M6.8	45 km
Jul 3, 1999	8 km N of Satsop, Washington	M5.8	41 km
May 3, 1996	8 km NNE of Lake Marcel-Stillwater, Washington	M5.4	138 km
Jun 10, 2001	18 km N of Satsop, Washington	M5.0	51 km
Jan 29, 1995	3 km WSW of Des Moines, Washington	M5.0	82 km
Jun 23, 1997	2 km NE of Enetai, Washington	M4.9	94 km
Apr 25, 2003	26 km W of Brinnon, Washington	M4.8	96 km
Jan 30, 2009	6 km ESE of Lofall, Washington	M4.7	113 km
Jul 12, 2019	2 km S of Roosevelt, Washington	M4.6	141 km
Feb 14, 2011	31 km S of Morton, Washington	M4.3	88 km
Jul 22, 2001	4 km WSW of DuPont, Washington	M4.3	41 km
May 20, 1995	15 km NNE of Ashford, Washington	M4.1	86 km
Feb 23, 2017	11 km NE of Hoodsport, Washington	M4.1	73 km
Aug 16, 2004	16 km ENE of Packwood, Washington	M4.0	122 km
Jun 15, 1994	1 km WNW of Hoodsport, Washington	M4.0	66 km
Aug 8, 2023	9 km NNE of Snoqualmie, Washington	M3.9	131 km
Jun 27, 1997	3 km SW of Bainbridge Island, Washington	M3.9	95 km
Apr 24, 2003	3 km NW of North Portland, Oregon	M3.9	134 km
Sep 10, 1994	2 km SE of Enumclaw, Washington	M3.9	93 km
Oct 1, 2004	37 km NNE of Amboy, Washington	M3.9	96 km

Source: USGS (M2.5+, 1990–2025)

Tornado History

35 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 1 injury.

Date	Rating	Distance	Fatalities
Dec 12, 1969	EF3	91 km	0
Dec 18, 2018	EF2	83 km	0
Nov 10, 1965	EF2	18 km	0
Oct 10, 2020	EF1	91 km	0
Oct 18, 2019	EF1	51 km	0
Jan 18, 2015	EF1	67 km	0
Oct 23, 2014	EF1	77 km	0
Sep 30, 2013	EF1	61 km	0
Sep 6, 2009	EF1	81 km	0
May 27, 2004	EF1	10 km	0
Jun 27, 2001	EF1	78 km	0
May 31, 1997	EF1	65 km	0
Mar 28, 1985	EF1	72 km	0
Jun 12, 1978	EF1	63 km	0
Dec 22, 1971	EF1	85 km	0
Sep 28, 1962	EF1	95 km	0
Oct 28, 2024	EF0	77 km	0
Mar 19, 2021	EF0	91 km	0
Apr 27, 2014	EF0	61 km	0
May 27, 2011	EF0	30 km	0

Source: NOAA SPC (EF0+, 1950–2024)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 250.0 m (820 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1980	WASHINGTON	Explosion	250.0 m	61	97 km
1894	PUYALLUP RIVER DELTA, TACOMA, WA	Meteorological	3.0 m	2	70 km
1891	WASHINGTON	Eruption + Earthquake	2.4 m	—	135 km
1949	PUGET SOUND, WA	Meteorological	2.4 m	—	67 km
1949	PUGET SOUND, WA	Eruption + Earthquake	—	8	51 km
1820	CAMANO ISLAND, WA	Meteorological	—	—	148 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: St. Helens (97 km).

Name	Type	Elevation	Last Eruption	Distance
St. Helens	Stratovolcano	2,549 m (8,363 ft)	2008	97 km
Rainier	Stratovolcano	4,392 m (14,409 ft)	1450	99 km
West Crater	Volcanic field	1,329 m (4,360 ft)	-5750	129 km
Indian Heaven	Shield(s)	1,806 m (5,925 ft)	-6250	138 km
Adams	Stratovolcano	3,742 m (12,277 ft)	950	139 km
Hood	Stratovolcano	3,426 m (11,240 ft)	1866	192 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Wildfire History

4 wildfires (100+ acres) within 100 km. Largest: MAPLE (3,547 ac, 2018).

Year	Name	Acres	Distance
2018	MAPLE	3,547	85 km
2011	BIG HUMP	1,400	97 km
1985	BEAVER	1,107	83 km
2006	BEAR GULCH II	1,037	78 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	40°F (5°C)	8.7 in
February	42°F (6°C)	6.9 in
March	45°F (7°C)	5.9 in
April	48°F (9°C)	4.1 in
May	54°F (12°C)	2.7 in
June	58°F (15°C)	2.1 in
July	65°F (18°C)	0.9 in	Warmest, Driest
August	63°F (17°C)	1.3 in
September	59°F (15°C)	2.5 in
October	51°F (11°C)	5.0 in
November	44°F (7°C)	8.9 in
December	39°F (4°C)	9.1 in	Coldest, Wettest

Rochester has a seasonal temperature swing of 26°F / from 39°F in December to 65°F in July. Total annual precipitation is 57.9 inches, with December being the wettest month (9.1") and July the driest (0.9").

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