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Weather & Climate in Sycamore, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sycamore enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 36°F in January while summers reach 79°F in July. The area gets 305 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 49.5 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 1,063 feet.
Temperature
36°F Jan (2°C)
79°F Jul (26°C)
| Annual Average | 57.8°F |
| 7% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 1,063 ft (324 m) |
| Area | 4.1 sq mi (10.7 km²) |
| Population Density | 84/sq mi |
| Coordinates | 36.3990°N, 94.7150°W |
| Timezone | America/Chicago |
| County | Delaware County County |
| Nearest Airport | Grand Lake Regional (NRI) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 82.7 / 100 |
| Social Vulnerability | 90.9 / 100 |
| Community Resilience | 5.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.8.
| Mar 23, 2024 | 9 km SE of Foyil, Oklahoma | M2.8 | 66 km | 5 km |
| Jan 14, 2016 | 7 km W of Talala, Oklahoma | M2.7 | 96 km | 5 km |
| May 23, 2021 | 4 km NE of Quinton, Oklahoma | M2.7 | 150 km | 6 km |
| Apr 3, 2016 | Arkansas-Oklahoma border region | M2.7 | 84 km | 5 km |
| May 22, 2021 | 4 km NE of Quinton, Oklahoma | M2.7 | 149 km | 6 km |
| Sep 3, 2015 | 6 km WSW of Vera, Oklahoma | M2.6 | 111 km | 5 km |
| May 21, 2010 | 2 km SW of Centerton, Arkansas | M2.6 | 37 km | 1 km |
| May 23, 2021 | 4 km NE of Quinton, Oklahoma | M2.5 | 149 km | 6 km |
| Apr 8, 2021 | 5 km WNW of Kinta, Oklahoma | M2.5 | 149 km | 7 km |
| Apr 15, 2019 | 3 km NNE of Quinton, Oklahoma | M2.5 | 150 km | 5 km |
| Feb 15, 2020 | 5 km ENE of Quinton, Oklahoma | M2.5 | 150 km | 6 km |
| Apr 29, 2010 | 3 km SW of Centerton, Arkansas | M2.5 | 37 km | 0 km |
| Aug 11, 2011 | 11 km WSW of Jasper, Arkansas | M2.5 | 135 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
737 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 214 fatalities, 2,199 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 22, 2011 | EF5 | 74 km | 21.6 mi | 158 |
| May 10, 2008 | EF4 | 77 km | 75.5 mi | 21 |
| Apr 26, 1991 | EF4 | 90 km | 4.0 mi | 0 |
| Apr 24, 1975 | EF4 | 49 km | 11.9 mi | 3 |
| Sep 27, 1959 | EF4 | 69 km | 20.4 mi | 1 |
| Apr 3, 1956 | EF4 | 47 km | 41.8 mi | 0 |
| May 25, 2024 | EF3 | 95 km | 23.9 mi | 2 |
| May 25, 2024 | EF3 | 14 km | 7.9 mi | 0 |
| Mar 30, 2022 | EF3 | 59 km | 5.2 mi | 0 |
| May 22, 2019 | EF3 | 79 km | 9.2 mi | 0 |
| May 22, 2011 | EF3 | 19 km | 17.9 mi | 0 |
| Dec 31, 2010 | EF3 | 47 km | 21.1 mi | 4 |
| Mar 12, 2006 | EF3 | 48 km | 29.0 mi | 0 |
| Mar 12, 2006 | EF3 | 20 km | 25.0 mi | 0 |
| May 4, 2003 | EF3 | 74 km | 49.0 mi | 7 |
| May 4, 2003 | EF3 | 79 km | 25.0 mi | 5 |
| Jun 1, 1999 | EF3 | 68 km | 2.0 mi | 2 |
| May 4, 1999 | EF3 | 93 km | 38.2 mi | 0 |
| Jul 2, 1992 | EF3 | 100 km | 4.0 mi | 0 |
| Nov 22, 1983 | EF3 | 61 km | 19.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (18,089 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | UNNAMED | 18,089 | 86 km |
| 2004 | UNNAMED | 12,086 | 91 km |
| 2017 | MIDDLE RIDGE | 8,501 | 92 km |
| 2007 | UNNAMED | 6,657 | 91 km |
| 2017 | HILLTOP | 6,523 | 85 km |
| 2009 | TELAMAY HOLLOW | 5,686 | 43 km |
| 2017 | PERSIMMON RIDGE | 5,333 | 90 km |
| 2009 | SAWMILL HOLLOW | 5,166 | 40 km |
| 2011 | GRUBER | 4,831 | 85 km |
| 1992 | UNNAMED | 4,546 | 34 km |
| 2005 | FLAT ROCK | 4,472 | 62 km |
| 2004 | UNNAMED | 4,424 | 92 km |
| 1995 | F128 | 4,210 | 41 km |
| 2024 | NATURE FIRE | 3,744 | 41 km |
| 1992 | UNNAMED | 3,700 | 88 km |
| 1986 | UNNAMED | 3,427 | 57 km |
| 2011 | UNNAMED | 3,301 | 88 km |
| 2011 | UNNAMED | 3,285 | 79 km |
| 2004 | UNNAMED | 3,238 | 87 km |
| 1989 | UNNAMED | 3,186 | 88 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 1.9 in | Coldest, Driest |
| February | 40°F (5°C) | 2.2 in | |
| March | 49°F (10°C) | 3.9 in | |
| April | 58°F (15°C) | 4.2 in | |
| May | 66°F (19°C) | 5.1 in | Wettest |
| June | 74°F (23°C) | 4.8 in | |
| July | 79°F (26°C) | 3.1 in | Warmest |
| August | 78°F (26°C) | 3.6 in | |
| September | 71°F (21°C) | 5.0 in | |
| October | 60°F (15°C) | 3.9 in | |
| November | 48°F (9°C) | 4.1 in | |
| December | 39°F (4°C) | 2.8 in |
Sycamore has a seasonal temperature swing of 43°F / from 36°F in January to 79°F in July. Total annual precipitation is 44.6 inches, with May being the wettest month (5.1") and January the driest (1.9").