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Weather & Climate in Blacklake, CA

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

Blacklake enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 55°F in January while summers reach 62°F in July / relatively mild seasonal variation. The area gets 330 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 17.9 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 343 feet.

Temperature

55°F Jan (13°C) 62°F Jul (17°C)
Annual Average59.1°F
9% above US avg
January Average55°F (13°C)
July Average62°F (17°C)
Sunny Days330 days/yr

Geography

Elevation343 ft (105 m)
Area1.1 sq mi (2.7 km²)
Population Density1,069/sq mi
Coordinates35.0497°N, 120.5386°W
TimezoneAmerica/Los_Angeles
CountySan Luis Obispo County County
Nearest AirportSan Luis Obispo County Regional (SBP)
11 miles away

Precipitation & Snow

Annual Rainfall 17.9"
53% below US avg
Snowfall 0.0"
Wettest Month (Jan) 4.33"
Driest Month (Jun) 0.08"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score95.9 / 100
Social Vulnerability32.8 / 100
Community Resilience93.9 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Moderate
Wildfire Relatively High
Flood Relatively High
Hail Very Low
Strong Wind Very Low
Heat Wave Relatively Low
Winter Weather Very Low
Lightning Relatively Low
Drought Very High
Cold Wave No Rating
Landslide Relatively High
Coastal Flood Relatively Low
Tsunami Relatively Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

2,572 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Sep 28, 2004 2004 Parkfield, California Earthquake M6.0 87 km 8 km
Oct 21, 2012 24 km NE of San Lucas, California M5.3 143 km 9 km
Aug 7, 2024 24 km SW of Lamont, CA M5.2 131 km 12 km
Sep 17, 1991 22 km NW of San Simeon, California M5.2 111 km 9 km
May 28, 1993 21km SW of Lamont, California M5.2 131 km 21 km
Aug 20, 2023 7 km SE of Ojai, CA M5.1 143 km 5 km
Sep 29, 2004 8 km NW of Parkfield, California M5.0 101 km 11 km
Dec 20, 1994 3 km NW of Parkfield, California M4.9 97 km 8 km
Sep 30, 2004 13 km NW of Parkfield, California M4.9 104 km 10 km
Feb 24, 2016 6km SSW of Wasco, CA M4.9 119 km 22 km
Nov 14, 1993 8 km NW of Parkfield, California M4.8 101 km 11 km
May 29, 2013 6km W of Isla Vista, CA M4.8 91 km 7 km
Sep 28, 2004 12 km SE of Parkfield, California M4.7 86 km 6 km
Feb 4, 1991 33 km SE of Big Sur, California M4.7 144 km 9 km
Aug 7, 2024 25 km SW of Lamont, CA M4.6 130 km 12 km
Apr 16, 2005 20km ESE of Maricopa, CA M4.6 123 km 9 km
Mar 17, 2004 9 km WSW of Oak Shores, California M4.5 90 km 4 km
May 16, 2005 5 km NW of Parkfield, California M4.5 98 km 9 km
Aug 6, 2012 8 km NW of Parkfield, California M4.5 100 km 11 km
Aug 8, 2024 22 km NW of Grapevine, CA M4.4 134 km 12 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

11 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 2 injuries.

Date Rating Distance Path Fatalities
Feb 7, 2024 EF1 11 km 0.7 mi 0
Feb 7, 2024 EF1 37 km 4.9 mi 0
Mar 17, 1991 EF1 97 km 0.1 mi 0
Jan 3, 1977 EF1 95 km 0.1 mi 0
Feb 23, 2015 EF0 83 km 0.5 mi 0
Jan 19, 2010 EF0 92 km 0.1 mi 0
Mar 29, 2006 EF0 47 km — 0
Feb 2, 2004 EF0 10 km 0.5 mi 0
Nov 29, 2001 EF0 15 km 0.1 mi 0
May 5, 1998 EF0 28 km 0.3 mi 0
Dec 29, 1991 EF0 52 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 3.4 m (11 ft).

Year Location Cause Max Wave Deaths Distance
1812 S. CALIFORNIA Eruption + Earthquake 3.4 m 1 111 km
1927 S. CALIFORNIA Earthquake 1.8 m — 34 km
1878 S. CALIFORNIA Meteorological 1.0 m 1 23 km
1901 MONTEREY BAY, N. CALIFORNIA Eruption + Earthquake — — 106 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: ZACA (241,846 acres, 2007).

Year Name Acres Burned Distance
2007 ZACA 241,846 89 km
1996 FIFTY-EIGHT 94,704 38 km
2009 LA BREA 84,213 48 km
1985 LAS PILITAS 75,841 27 km
1997 LOGAN 49,627 40 km
1994 41 48,441 40 km
2016 CHIMNEY 46,950 91 km
1997 LOKERN 46,139 99 km
1993 MARRE 44,309 64 km
2016 REY 33,323 90 km
2017 ALAMO 29,256 25 km
1993 ORCHARD 22,309 88 km
2017 WHITTIER CA-LBOR-001770 18,510 78 km
2021 ALISAL 17,677 73 km
1999 SPANISH 14,518 51 km
2006 PERKINS 14,342 80 km
2024 HURRICANE 13,488 82 km
2016 CANYON 12,749 51 km
1989 CHISPA 9,869 45 km
1996 HWY 41 9,537 88 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 55°F (13°C) 4.3 in Wettest
February 54°F (12°C) 4.3 in
March 55°F (13°C) 3.8 in
April 57°F (14°C) 1.3 in
May 59°F (15°C) 0.4 in
June 62°F (16°C) 0.1 in
July 62°F (17°C) 0.0 in Driest
August 64°F (18°C) 0.1 in Warmest
September 64°F (18°C) 0.4 in
October 62°F (16°C) 0.8 in
November 57°F (14°C) 2.1 in
December 52°F (11°C) 3.1 in Coldest

Blacklake has a seasonal temperature swing of 12°F / from 52°F in December to 64°F in August. Total annual precipitation is 20.6 inches, with January being the wettest month (4.3") and July the driest (0.0").

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