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Weather & Climate in Jacksonville, OR

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

Jacksonville enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 40°F in January while summers reach 75°F in July. The area gets 302 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 18.4 inches (drier than the 38-inch national average). The area receives 3.4 inches of snow annually. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 1,586 feet.

Temperature

40°F Jan (5°C) 75°F Jul (24°C)
Annual Average55.9°F
4% above US avg
January Average40°F (5°C)
July Average75°F (24°C)
Sunny Days302 days/yr

Geography

Elevation1,586 ft (483 m)
Area0.7 sq mi (1.9 km²)
Population Density1,583/sq mi
Coordinates42.3126°N, 122.9692°W
TimezoneAmerica/Los_Angeles
CountyJackson County County
Nearest AirportRogue Valley International - Medford (MFR)
7 miles away

Precipitation & Snow

Annual Rainfall 18.4"
52% below US avg
Snowfall 3.4"
Wettest Month (Dec) 4.84"
Driest Month (Jul) 0.39"

Air Quality

AQI Median32.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score92.5 / 100
Social Vulnerability40.0 / 100
Community Resilience48.1 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Moderate
Wildfire Relatively High
Flood Relatively Moderate
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Relatively Moderate
Winter Weather Very High
Lightning Relatively Moderate
Ice Storm Very Low
Drought Very Low
Cold Wave Very Low
Landslide Relatively Low
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

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

Sep 21, 1993 27 km WNW of Klamath Falls, Oregon M6.0 75 km 9 km
Sep 21, 1993 22 km WNW of Klamath Falls, Oregon M5.9 78 km 9 km
Feb 13, 2012 26 km NNW of Willow Creek, California M5.6 147 km 27 km
Dec 4, 1993 20 km WNW of Klamath Falls, Oregon M5.1 79 km 5 km
Jan 18, 1990 27 km ESE of Orick, California M4.9 143 km 35 km
Jan 23, 2024 16 km WSW of Klamath, CA M4.3 136 km 36 km
Sep 21, 1993 25 km SW of Chiloquin, Oregon M4.3 76 km -2 km
Jan 19, 1994 15 km WNW of Klamath Falls, Oregon M4.3 84 km -1 km
Jan 9, 1994 12 km WNW of Klamath Falls, Oregon M4.3 86 km 1 km
May 15, 2002 9 km W of Klamath Falls, Oregon M4.3 88 km 6 km
Feb 26, 2009 37 km NW of Selma, Oregon M4.2 80 km 37 km
Dec 31, 1993 14 km WNW of Klamath Falls, Oregon M4.1 85 km -2 km
Sep 23, 1993 23 km WNW of Klamath Falls, Oregon M4.1 76 km 6 km
Jan 7, 1994 12 km WNW of Klamath Falls, Oregon M4.0 86 km 0 km
Dec 25, 1993 15 km WNW of Klamath Falls, Oregon M4.0 84 km -2 km
Sep 30, 1999 46 km WSW of Etna, California M3.9 111 km 38 km
Nov 17, 1994 24 km SW of Chiloquin, Oregon M3.9 77 km -2 km
Sep 21, 1993 22 km WNW of Klamath Falls, Oregon M3.9 78 km 6 km
Sep 29, 1999 4km E of Somes Bar, CA M3.9 111 km 37 km
Jan 24, 2014 31 km SSE of Powers, Oregon M3.8 88 km 4 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

3 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1.

Date Rating Distance Path Fatalities
May 19, 1962 EF1 96 km 0.5 mi 0
Apr 17, 2007 EF0 91 km 1.0 mi 0
May 30, 1995 EF0 99 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 3.1 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1873 N. CALIFORNIA Eruption + Earthquake 3.1 m — 92 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Crater Lake (98 km).

Name Type Elevation Last Eruption Distance
Crater Lake Caldera 2,487 m (8,159 ft) -2850 98 km
Shasta Stratovolcano 4,317 m (14,163 ft) 1250 119 km
Cinnamon Butte Pyroclastic cone(s) 1,956 m (6,417 ft) Unknown 125 km
Medicine Lake Shield 2,412 m (7,913 ft) 1060 141 km
Davis Lake Volcanic field 2,163 m (7,096 ft) -2790 168 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BISCUIT COMPLEX (BISCUIT) (495,308 acres, 2002).

Year Name Acres Burned Distance
2002 BISCUIT COMPLEX (BISCUIT) 495,308 78 km
2017 CHETCO BAR 194,877 89 km
2018 KLONDIKE 178,311 75 km
2020 SLATER 157,784 63 km
2014 HAPPY CAMP COMPLEX 118,491 70 km
2008 SISKIYOU-BLUE 2 COMPLEX (BLUE 2) 100,823 96 km
1987 SILVER 96,698 81 km
2021 MCCASH 95,762 90 km
2017 OAK 95,692 81 km
2023 KELLY 90,267 85 km
2008 PANTHER 71,448 92 km
1987 KING TITUS 71,390 83 km
2022 MCKINNEY 60,592 57 km
2018 TAYLOR CREEK 57,505 57 km
2021 SMITH 50,739 88 km
2002 BOULDER 48,505 91 km
2018 MILES 40,343 61 km
2018 NATCHEZ 38,800 68 km
2018 KLAMATHON 38,188 54 km
1987 FORT COPPER 36,333 51 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 40°F (5°C) 4.3 in
February 42°F (6°C) 3.3 in
March 45°F (7°C) 3.0 in
April 48°F (9°C) 2.0 in
May 55°F (13°C) 1.5 in
June 62°F (17°C) 0.9 in
July 75°F (24°C) 0.4 in Warmest, Driest
August 68°F (20°C) 0.6 in
September 62°F (17°C) 1.0 in
October 54°F (12°C) 2.1 in
November 43°F (6°C) 4.6 in
December 38°F (3°C) 4.8 in Coldest, Wettest

Jacksonville has a seasonal temperature swing of 37°F / from 38°F in December to 75°F in July. Total annual precipitation is 28.5 inches, with December being the wettest month (4.8") and July the driest (0.4").

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