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Weather & Climate in Ferndale, WA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ferndale experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 40°F in January while summers reach 64°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 34.7 inches. 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 44 feet.
Temperature
40°F Jan (5°C)
64°F Jul (18°C)
| Annual Average | 51.2°F |
| 5% below US avg | |
| January Average | 40°F (5°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 44 ft (13 m) |
| Area | 2.8 sq mi (7.1 km²) |
| Population Density | 2,145/sq mi |
| Coordinates | 48.8526°N, 122.5886°W |
| Timezone | America/Los_Angeles |
| County | Island County County |
| Nearest Airport | Bellingham International (BLI) 5 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 28.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 78.0 / 100 |
| Social Vulnerability | 36.8 / 100 |
| Community Resilience | 80.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively High |
| Coastal Flood | Relatively Moderate |
| Tsunami | Very Low |
| Volcano | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
508 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| May 3, 1996 | 8 km NNE of Lake Marcel-Stillwater, Washington | M5.4 | 132 km | 4 km |
| Apr 14, 1990 | 4 km ENE of Deming, Washington | M5.0 | 31 km | 12 km |
| Jun 23, 1997 | 2 km NE of Enetai, Washington | M4.9 | 140 km | 13 km |
| Feb 21, 2025 | 28 km W of Squamish, Canada | M4.8 | 116 km | 10 km |
| Apr 25, 2003 | 26 km W of Brinnon, Washington | M4.8 | 140 km | 51 km |
| Jan 30, 2009 | 6 km ESE of Lofall, Washington | M4.7 | 119 km | 62 km |
| Jul 12, 2019 | 2 km S of Roosevelt, Washington | M4.6 | 117 km | 29 km |
| Mar 3, 2025 | 2025 Orcas Island, Washington | M4.5 | 31 km | 16 km |
| Jun 24, 1997 | 19 km SSW of Gibsons, Canada | M4.4 | 87 km | 3 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 29 km | 0 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 94 km | 5 km |
| Sep 21, 2002 | 9 km SW of Friday Harbor, Washington | M4.1 | 57 km | 23 km |
| Apr 3, 1990 | 3 km ENE of Deming, Washington | M4.0 | 30 km | 1 km |
| Apr 14, 1990 | 2 km ESE of Deming, Washington | M4.0 | 30 km | 3 km |
| Sep 26, 2024 | 12 km E of Saanichton, Canada | M4.0 | 57 km | 52 km |
| Dec 27, 2012 | 12 km E of North Saanich, Canada | M4.0 | 53 km | 54 km |
| Jul 1, 2009 | 4 km SE of Coupeville, Washington | M4.0 | 73 km | 58 km |
| Jun 27, 1997 | 3 km SW of Bainbridge Island, Washington | M3.9 | 139 km | 1 km |
| Mar 6, 2025 | 14 km SW of Blyn, Washington | M3.9 | 111 km | 42 km |
| Jul 24, 2011 | 21 km W of Brinnon, Washington | M3.9 | 135 km | 41 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
5 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.
| Date | Rating | Distance | Path | Fatalities |
| May 13, 1986 | EF2 | 81 km | 0.3 mi | 0 |
| Nov 24, 1970 | EF2 | 89 km | 0.3 mi | 0 |
| May 18, 2005 | EF1 | 77 km | 0.2 mi | 0 |
| Jun 5, 2004 | EF0 | 74 km | 0.1 mi | 0 |
| Apr 27, 2004 | EF0 | 32 km | 2.7 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 38.0 m (125 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2007 | CHEHALIS LAKE, CHILLIWACK | Meteorological | 38.0 m | — | 80 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 116 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Baker (57 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 57 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 115 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 124 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 136 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 150 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
5 wildfires (100+ acres) recorded within 100 km. Largest: COPPER LAKE (3,825 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | COPPER LAKE | 3,825 | 86 km |
| 2022 | BRUSH CREEK 2 | 3,186 | 88 km |
| 2022 | SILESIA | 2,737 | 79 km |
| 2022 | LITTLE CHILL | 2,242 | 84 km |
| 1998 | UNNAMED | 1,174 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 6.3 in | |
| February | 41°F (5°C) | 4.7 in | |
| March | 44°F (7°C) | 4.2 in | |
| April | 49°F (9°C) | 3.8 in | |
| May | 54°F (12°C) | 3.1 in | |
| June | 59°F (15°C) | 2.6 in | |
| July | 64°F (18°C) | 1.7 in | Warmest, Driest |
| August | 64°F (18°C) | 1.7 in | |
| September | 59°F (15°C) | 2.4 in | |
| October | 51°F (10°C) | 4.5 in | |
| November | 43°F (6°C) | 7.4 in | Wettest |
| December | 37°F (3°C) | 6.4 in | Coldest |
Ferndale has a seasonal temperature swing of 27°F / from 37°F in December to 64°F in July. Total annual precipitation is 48.8 inches, with November being the wettest month (7.4") and July the driest (1.7").