Weather & Climate in Oceanside, OR

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

Oceanside experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 45°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 89.8 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 331 feet.

Temperature

45°F Jan (7°C) 59°F Jul (15°C)

Annual Average	51.0°F
	6% below US avg
January Average	45°F (7°C)
July Average	59°F (15°C)
Sunny Days	251 days/yr

Geography

Elevation	331 ft (101 m)
Area	1.0 sq mi (2.7 km²)
Population Density	407/sq mi
Coordinates	45.4549°N, 123.9613°W
Timezone	America/Los_Angeles
County	Tillamook County County
Nearest Airport	Astoria Regional (AST) 52 miles away

Precipitation & Snow

Annual Rainfall 89.8"

136% above US avg

Snowfall 0.2"

Wettest Month (Dec) 14.76"

Driest Month (Aug) 1.57"

Air Quality

AQI Median	32.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	81.3 / 100
Social Vulnerability	57.6 / 100
Community Resilience	61.8 / 100

Hazard Breakdown

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

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

Earthquake History

148 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.

Mar 25, 1993	4 km E of Scotts Mills, Oregon	M5.6	116 km	20 km
Jul 12, 2004	30 km W of Yachats, Oregon	M4.9	131 km	29 km
Aug 19, 2004	19 km W of Newport, Oregon	M4.7	92 km	27 km
Apr 4, 1992	133 km W of Lincoln City, Oregon	M4.2	139 km	10 km
Apr 24, 2003	3 km NW of North Portland, Oregon	M3.9	97 km	17 km
Apr 15, 2017	43 km WNW of Yachats, Oregon	M3.9	125 km	38 km
Feb 8, 1995	9 km ESE of Hubbard, Oregon	M3.8	104 km	24 km
Aug 3, 2006	2 km WNW of Cherry Grove, Washington	M3.8	112 km	14 km
Jun 8, 1993	5 km ESE of Scotts Mills, Oregon	M3.7	117 km	19 km
Mar 20, 2012	29 km WNW of Yachats, Oregon	M3.7	125 km	33 km
Jan 31, 2013	3 km ENE of Amboy, Washington	M3.7	131 km	6 km
Feb 24, 1999	8 km WSW of Molalla, Oregon	M3.6	107 km	34 km
Jul 3, 1992	57 km W of Waldport, Oregon	M3.6	123 km	21 km
May 19, 2019	3 km ESE of Rose Lodge, Oregon	M3.6	52 km	44 km
Sep 8, 2012	8 km N of Scotts Mills, Oregon	M3.5	106 km	24 km
Aug 2, 1996	4 km S of Scotts Mills, Oregon	M3.5	113 km	29 km
Jul 22, 1991	8 km N of Bethany, Oregon	M3.5	87 km	19 km
Nov 25, 1999	5 km NNE of Mount Angel, Oregon	M3.4	100 km	28 km
Oct 16, 2017	21 km WNW of Vernonia, Oregon	M3.4	64 km	24 km
Mar 18, 2012	17 km ENE of Willapa, Washington	M3.3	150 km	44 km

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

Tornado History

36 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 2 injuries.

Date	Rating	Distance	Path	Fatalities
Oct 14, 2016	EF2	30 km	0.7 mi	0
Dec 8, 1993	EF2	81 km	6.0 mi	0
Jun 13, 2013	EF1	66 km	0.3 mi	0
Jun 21, 2003	EF1	91 km	0.3 mi	0
Nov 12, 1991	EF1	93 km	0.2 mi	0
Aug 16, 1978	EF1	92 km	0.2 mi	0
Dec 12, 1975	EF1	9 km	2.0 mi	0
Oct 3, 1967	EF1	75 km	0.5 mi	0
Nov 11, 2024	EF0	18 km	0.3 mi	0
Oct 31, 2024	EF0	93 km	0.2 mi	0
Oct 24, 2022	EF0	89 km	0.0 mi	0
Mar 19, 2021	EF0	96 km	0.3 mi	0
Nov 10, 2020	EF0	97 km	1.7 mi	0
Sep 8, 2019	EF0	87 km	0.1 mi	0
Oct 29, 2018	EF0	65 km	0.1 mi	0
Oct 12, 2017	EF0	95 km	0.6 mi	0
Nov 6, 2009	EF0	50 km	0.1 mi	0
Dec 16, 2006	EF0	96 km	1.5 mi	0
Jun 18, 2004	EF0	88 km	0.1 mi	0
Apr 28, 2000	EF0	100 km	0.1 mi	0

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

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1700	CASCADIA SUBDUCTION ZONE	Earthquake	—	2	96 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: West Crater (154 km).

Name	Type	Elevation	Last Eruption	Distance
West Crater	Volcanic field	1,329 m (4,360 ft)	-5750	154 km
St. Helens	Stratovolcano	2,549 m (8,363 ft)	2008	161 km
Indian Heaven	Shield(s)	1,806 m (5,925 ft)	-6250	175 km
Hood	Stratovolcano	3,426 m (11,240 ft)	1866	177 km
Jefferson	Stratovolcano	3,199 m (10,495 ft)	950	191 km
Sand Mountain Field	Pyroclastic cone(s)	1,664 m (5,459 ft)	-950	200 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

3 wildfires (100+ acres) recorded within 100 km. Largest: ROCKHOUSE (5,011 acres, 1987).

Year	Name	Acres Burned	Distance
1987	ROCKHOUSE	5,011	71 km
2020	ECHO MTN COMPLEX	2,161	49 km
1987	87552212	1,166	87 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	45°F (7°C)	13.9 in
February	44°F (7°C)	10.9 in
March	46°F (8°C)	10.1 in
April	48°F (9°C)	6.8 in
May	52°F (11°C)	4.8 in
June	56°F (13°C)	3.4 in
July	59°F (15°C)	1.6 in
August	59°F (15°C)	1.6 in	Warmest, Driest
September	57°F (14°C)	3.9 in
October	52°F (11°C)	7.3 in
November	46°F (8°C)	13.9 in
December	43°F (6°C)	14.8 in	Coldest, Wettest

Oceanside has a seasonal temperature swing of 17°F / from 43°F in December to 59°F in August. Total annual precipitation is 92.8 inches, with December being the wettest month (14.8") and August the driest (1.6").

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