Weather & Climate in Grand Pass, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grand Pass experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 29°F in January while summers reach 78°F in July. Annual precipitation totals 40.6 inches. The area receives 8.1 inches of snow annually. The city sits at an elevation of 679 feet.
Temperature
29°F Jan (-2°C)
78°F Jul (25°C)
| Annual Average | 54.6°F |
| 1% above US avg | |
| January Average | 29°F (-2°C) |
| July Average | 78°F (25°C) |
Geography
| Elevation | 679 ft (207 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 327/sq mi |
| Coordinates | 39.2064°N, 93.4427°W |
| Timezone | America/Chicago |
| Nearest Airport | Sedalia Regional (DMO) 37 miles away |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| May 18, 2005 | Missouri | M3.3 | 95 km | 5 km |
| Jul 31, 2005 | Missouri | M3.3 | 83 km | 5 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 142 km | 5 km |
| Jan 21, 1992 | 5 km SE of Linn Creek, Missouri | M3.1 | 150 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 109 km | 5 km |
| Feb 8, 2004 | 6 km SSW of Stoutsville, Missouri | M2.9 | 138 km | 5 km |
| Apr 4, 2015 | 3 km ESE of Clinton, Missouri | M2.6 | 98 km | 2 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 44 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
412 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 13 fatalities, 266 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 4, 2003 | EF4 | 89 km | 5.0 mi | 0 |
| May 4, 1977 | EF4 | 50 km | 48.6 mi | 0 |
| May 4, 1977 | EF4 | 74 km | 12.0 mi | 0 |
| Apr 23, 1975 | EF4 | 85 km | 28.2 mi | 1 |
| Apr 23, 1975 | EF4 | 71 km | 11.4 mi | 1 |
| Apr 19, 1973 | EF4 | 76 km | 10.0 mi | 0 |
| Jun 12, 1970 | EF4 | 62 km | 16.1 mi | 0 |
| Apr 21, 1967 | EF4 | 60 km | 59.0 mi | 0 |
| Mar 6, 2017 | EF3 | 74 km | 17.7 mi | 0 |
| May 2, 2008 | EF3 | 91 km | 0.9 mi | 0 |
| Mar 12, 2006 | EF3 | 27 km | 35.0 mi | 0 |
| Mar 12, 2006 | EF3 | 84 km | 19.7 mi | 4 |
| Jul 4, 1995 | EF3 | 90 km | 26.0 mi | 0 |
| Nov 27, 1990 | EF3 | 93 km | 1.0 mi | 0 |
| May 12, 1980 | EF3 | 60 km | 15.8 mi | 0 |
| May 4, 1977 | EF3 | 64 km | 11.2 mi | 0 |
| May 4, 1977 | EF3 | 47 km | 26.2 mi | 1 |
| Apr 23, 1975 | EF3 | 59 km | 14.0 mi | 0 |
| Apr 20, 1973 | EF3 | 84 km | 10.1 mi | 0 |
| Apr 20, 1973 | EF3 | 88 km | 5.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: WOOLDRIDGE FIRE (1,323 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | WOOLDRIDGE FIRE | 1,323 | 87 km |
| 2012 | HIGHWAY E | 897 | 52 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 1.4 in | Coldest, Driest |
| February | 33°F (1°C) | 1.8 in | |
| March | 44°F (7°C) | 2.8 in | |
| April | 54°F (12°C) | 3.8 in | |
| May | 65°F (18°C) | 5.3 in | Wettest |
| June | 74°F (23°C) | 5.1 in | |
| July | 78°F (25°C) | 4.8 in | Warmest |
| August | 76°F (24°C) | 4.2 in | |
| September | 69°F (20°C) | 4.2 in | |
| October | 57°F (14°C) | 3.1 in | |
| November | 44°F (7°C) | 2.5 in | |
| December | 34°F (1°C) | 1.7 in |
Grand Pass has a seasonal temperature swing of 49°F / from 29°F in January to 78°F in July. Total annual precipitation is 40.6 inches, with May being the wettest month (5.3") and January the driest (1.4").