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Weather & Climate in Monson, CA

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

Monson enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 47°F in January while summers reach 80°F in July. 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 10.3 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 323 feet.

Temperature

47°F Jan (8°C) 80°F Jul (27°C)
Annual Average63.1°F
17% above US avg
January Average47°F (8°C)
July Average80°F (27°C)
Sunny Days330 days/yr

Geography

Elevation323 ft (98 m)
Area0.5 sq mi (1.3 km²)
Population Density1,020/sq mi
Coordinates36.4924°N, 119.3361°W
TimezoneAmerica/Los_Angeles
CountyFresno County County
Nearest AirportFresno Yosemite International (FAT)
29 miles away

Precipitation & Snow

Annual Rainfall 10.3"
73% below US avg
Snowfall 0.1"
Wettest Month (Jan) 1.97"
Driest Month (Jun) 0.12"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score99.3 / 100
Social Vulnerability60.3 / 100
Community Resilience16.6 / 100

Hazard Breakdown

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

Earthquake History

6,370 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Sep 28, 2004 2004 Parkfield, California Earthquake M6.0 119 km 8 km
Jun 24, 2020 18km SSE of Lone Pine, CA M5.8 122 km 5 km
May 15, 1999 9 km WSW of Aspen Springs, California M5.5 124 km 3 km
Oct 21, 2012 24 km NE of San Lucas, California M5.3 138 km 9 km
Oct 3, 2009 18km NE of Olancha, CA M5.2 132 km -2 km
Jul 17, 2001 7km ESE of Coso Junction, CA M5.2 141 km 2 km
Sep 29, 2004 25km SSW of Bodfish, California M5.0 138 km 3 km
Oct 1, 2009 18km NE of Olancha, CA M5.0 133 km 4 km
Sep 29, 2004 8 km NW of Parkfield, California M5.0 121 km 11 km
Jul 17, 2001 7km ESE of Coso Junction, CA M4.9 141 km -1 km
Jun 9, 1998 8 km WNW of Aspen Springs, California M4.9 131 km 5 km
Dec 20, 1994 3 km NW of Parkfield, California M4.9 120 km 8 km
Jul 15, 1998 8 km W of Aspen Springs, California M4.9 128 km 4 km
Sep 30, 2004 13 km NW of Parkfield, California M4.9 122 km 10 km
Nov 30, 1997 2 km ESE of Mammoth Lakes, California M4.9 132 km 5 km
Feb 24, 2016 6km SSW of Wasco, CA M4.9 106 km 22 km
Nov 22, 1997 3 km ESE of Mammoth Lakes, California M4.9 132 km 5 km
Oct 3, 2009 17km NE of Olancha, CA M4.9 132 km 2 km
Nov 14, 1993 8 km NW of Parkfield, California M4.8 120 km 11 km
Dec 31, 1997 9 km ESE of Mammoth Lakes, California M4.8 133 km 4 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

62 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 5 injuries.

Date Rating Distance Path Fatalities
Sep 5, 2020 EF2 95 km 12.0 mi 0
Apr 5, 1980 EF2 35 km 15.0 mi 0
Mar 22, 1962 EF2 54 km 0.5 mi 0
Sep 5, 2020 EF1 85 km 1.1 mi 0
Jan 17, 2019 EF1 44 km 0.3 mi 0
May 20, 2002 EF1 85 km 2.7 mi 0
Nov 22, 1996 EF1 56 km 0.8 mi 0
Feb 28, 1991 EF1 19 km 0.2 mi 0
Mar 8, 1986 EF1 29 km 4.0 mi 0
Mar 28, 1982 EF1 27 km 5.0 mi 0
Feb 19, 1980 EF1 46 km 1.7 mi 0
Mar 14, 1979 EF1 32 km 2.0 mi 0
Apr 21, 1967 EF1 84 km 0.1 mi 0
Nov 1, 1964 EF1 70 km 1.0 mi 0
Feb 19, 1962 EF1 79 km 0.6 mi 0
May 19, 1957 EF1 50 km 0.1 mi 0
Mar 1, 2024 EF0 87 km 0.4 mi 0
May 19, 2019 EF0 67 km 0.4 mi 0
Mar 2, 2019 EF0 99 km 0.2 mi 0
Feb 15, 2019 EF0 85 km 0.6 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
1901 MONTEREY BAY, N. CALIFORNIA Eruption + Earthquake — — 118 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Golden Trout Creek (92 km).

Name Type Elevation Last Eruption Distance
Golden Trout Creek Volcanic field 2,886 m (9,469 ft) -5550 92 km
Mammoth Mountain Lava dome(s) 3,369 m (11,053 ft) 1260 129 km
Mono-Inyo Craters Lava dome(s) 2,796 m (9,173 ft) 1380 148 km
Mono Lake Volcanic Field Pyroclastic cone(s) 2,121 m (6,959 ft) 1790 170 km
Ubehebe Craters Maar(s) 752 m (2,467 ft) -150 178 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CREEK (381,441 acres, 2020).

Year Name Acres Burned Distance
2020 CREEK 381,441 92 km
2020 CASTLE 174,424 74 km
2002 MCNALLY 146,540 96 km
2015 ROUGH 146,369 57 km
2021 WINDY 97,831 87 km
2021 KNP COMPLEX 89,960 49 km
2017 PIER 36,626 70 km
2013 ASPEN 23,564 89 km
1996 SKYLINE 21,694 84 km
2017 LION 18,576 81 km
2011 LION 17,671 75 km
2017 SCHAEFFER 16,100 98 km
2014 FRENCH 14,534 89 km
2008 TEHIPITE 12,205 68 km
1989 POWERHOUSE 11,532 70 km
1986 DEER 10,963 55 km
2005 COMB COMPLEX 10,211 71 km
2010 SHEEP COMPLEX 9,614 64 km
2020 RATTLESNAKE 9,090 82 km
2021 WALKERS 9,011 74 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 47°F (8°C) 2.0 in Wettest
February 51°F (11°C) 1.9 in
March 56°F (13°C) 1.9 in
April 61°F (16°C) 0.9 in
May 69°F (20°C) 0.3 in
June 76°F (24°C) 0.1 in
July 80°F (27°C) 0.0 in Warmest, Driest
August 79°F (26°C) 0.0 in
September 74°F (23°C) 0.3 in
October 65°F (19°C) 0.6 in
November 53°F (12°C) 1.3 in
December 46°F (8°C) 1.4 in Coldest

Monson has a seasonal temperature swing of 35°F / from 46°F in December to 80°F in July. Total annual precipitation is 10.6 inches, with January being the wettest month (2.0") and July the driest (0.0").

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