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Weather & Climate in Riddle, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Riddle enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 45°F in January while summers reach 72°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 31.1 inches. The area receives 1.9 inches of snow annually. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 713 feet.
Temperature
45°F Jan (7°C)
72°F Jul (22°C)
| Annual Average | 56.7°F |
| 5% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 713 ft (217 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 1,814/sq mi |
| Coordinates | 42.9542°N, 123.3645°W |
| Timezone | America/Los_Angeles |
| County | Josephine County County |
| Nearest Airport | Roseburg Regional (RBG) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.2 / 100 |
| Social Vulnerability | 66.4 / 100 |
| Community Resilience | 49.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| 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
272 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 | 126 km | 9 km |
| Sep 21, 1993 | 22 km WNW of Klamath Falls, Oregon | M5.9 | 130 km | 9 km |
| Dec 4, 1993 | 20 km WNW of Klamath Falls, Oregon | M5.1 | 133 km | 5 km |
| Jan 19, 1994 | 15 km WNW of Klamath Falls, Oregon | M4.3 | 138 km | -1 km |
| May 15, 2002 | 9 km W of Klamath Falls, Oregon | M4.3 | 144 km | 6 km |
| Jan 9, 1994 | 12 km WNW of Klamath Falls, Oregon | M4.3 | 141 km | 1 km |
| Sep 21, 1993 | 25 km SW of Chiloquin, Oregon | M4.3 | 125 km | -2 km |
| Feb 26, 2009 | 37 km NW of Selma, Oregon | M4.2 | 63 km | 37 km |
| Jul 4, 2015 | 16 km ENE of Springfield, Oregon | M4.1 | 133 km | 8 km |
| Dec 31, 1993 | 14 km WNW of Klamath Falls, Oregon | M4.1 | 139 km | -2 km |
| Sep 23, 1993 | 23 km WNW of Klamath Falls, Oregon | M4.1 | 130 km | 6 km |
| Jan 7, 1994 | 12 km WNW of Klamath Falls, Oregon | M4.0 | 141 km | 0 km |
| Dec 25, 1993 | 15 km WNW of Klamath Falls, Oregon | M4.0 | 138 km | -2 km |
| Sep 21, 1993 | 22 km WNW of Klamath Falls, Oregon | M3.9 | 131 km | 6 km |
| Nov 17, 1994 | 24 km SW of Chiloquin, Oregon | M3.9 | 125 km | -2 km |
| Jan 24, 2014 | 31 km SSE of Powers, Oregon | M3.8 | 62 km | 4 km |
| Sep 21, 1993 | 21 km WNW of Klamath Falls, Oregon | M3.8 | 132 km | -1 km |
| Dec 4, 1993 | 15 km W of Klamath Falls, Oregon | M3.8 | 139 km | 4 km |
| Sep 21, 1993 | 19 km WNW of Klamath Falls, Oregon | M3.8 | 135 km | 9 km |
| Jan 8, 1994 | 11 km WNW of Klamath Falls, Oregon | M3.8 | 142 km | 1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
2 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF0.
| Date | Rating | Distance | Path | Fatalities |
| Jun 18, 2013 | EF0 | 37 km | 0.1 mi | 0 |
| Oct 24, 2010 | EF0 | 95 km | 1.0 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 | — | 118 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Crater Lake (101 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 101 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 107 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 143 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 177 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 184 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 192 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 193 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 196 km |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 197 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 | 72 km |
| 2017 | CHETCO BAR | 194,877 | 97 km |
| 2018 | KLONDIKE | 178,311 | 73 km |
| 2020 | ARCHIE CREEK | 131,885 | 59 km |
| 1987 | SILVER | 96,698 | 82 km |
| 2018 | TAYLOR CREEK | 57,505 | 56 km |
| 2021 | SMITH | 50,739 | 50 km |
| 2002 | BOULDER | 48,505 | 54 km |
| 2018 | MILES | 40,343 | 56 km |
| 2023 | FLAT | 34,496 | 81 km |
| 2017 | HAPPY DOG | 34,241 | 75 km |
| 2021 | JACK FIRE | 33,747 | 65 km |
| 2020 | S OBENCHAIN | 32,875 | 73 km |
| 2017 | BLANKET CREEK | 32,767 | 94 km |
| 2021 | CHAOS | 29,698 | 85 km |
| 2013 | BIG WINDY COMPLEX | 28,911 | 47 km |
| 2015 | STOUTS CREEK | 27,570 | 33 km |
| 2002 | TIMBERED ROCK | 26,809 | 56 km |
| 2013 | DADS | 25,216 | 29 km |
| 2013 | NORTH RABBIT | 25,085 | 25 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 7.4 in | |
| February | 44°F (7°C) | 5.8 in | |
| March | 46°F (8°C) | 5.5 in | |
| April | 49°F (9°C) | 3.6 in | |
| May | 55°F (13°C) | 2.2 in | |
| June | 61°F (16°C) | 1.1 in | |
| July | 72°F (22°C) | 0.5 in | Warmest, Driest |
| August | 67°F (19°C) | 0.8 in | |
| September | 62°F (17°C) | 1.5 in | |
| October | 54°F (12°C) | 3.4 in | |
| November | 45°F (7°C) | 7.8 in | |
| December | 41°F (5°C) | 8.2 in | Coldest, Wettest |
Riddle has a seasonal temperature swing of 31°F / from 41°F in December to 72°F in July. Total annual precipitation is 47.7 inches, with December being the wettest month (8.2") and July the driest (0.5").