All Countries
Weather & Climate in Passaic, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Passaic enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 29°F in January while summers reach 79°F in July. The area gets 261 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 41.2 inches. The area receives 4.9 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 879 feet.
Temperature
29°F Jan (-2°C)
79°F Jul (26°C)
| Annual Average | 55.5°F |
| 3% above US avg | |
| January Average | 29°F (-2°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 879 ft (268 m) |
| Area | 0.1 sq mi (0.2 km²) |
| Population Density | 600/sq mi |
| Coordinates | 38.3220°N, 94.3483°W |
| Timezone | America/Chicago |
| Nearest Airport | Lawrence Regional (LWC) 67 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| May 18, 2005 | Missouri | M3.3 | 37 km | 5 km |
| Jul 31, 2005 | Missouri | M3.3 | 148 km | 5 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 99 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 92 km | 5 km |
| Apr 4, 2015 | 3 km ESE of Clinton, Missouri | M2.6 | 53 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
454 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 23 fatalities, 357 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 28, 2007 | EF4 | 69 km | 28.0 mi | 0 |
| May 4, 2003 | EF4 | 93 km | 21.0 mi | 2 |
| May 4, 1977 | EF4 | 100 km | 12.0 mi | 0 |
| Apr 19, 1973 | EF4 | 75 km | 10.0 mi | 0 |
| Apr 12, 1964 | EF4 | 86 km | 19.4 mi | 3 |
| Mar 6, 2017 | EF3 | 72 km | 17.7 mi | 0 |
| Mar 12, 2006 | EF3 | 96 km | 17.0 mi | 0 |
| May 4, 2003 | EF3 | 85 km | 86.0 mi | 5 |
| May 4, 1999 | EF3 | 53 km | 3.0 mi | 0 |
| May 17, 1995 | EF3 | 56 km | 14.0 mi | 0 |
| Mar 15, 1982 | EF3 | 97 km | 70.0 mi | 2 |
| Mar 15, 1982 | EF3 | 72 km | 14.0 mi | 0 |
| May 12, 1980 | EF3 | 90 km | 15.8 mi | 0 |
| May 4, 1977 | EF3 | 21 km | 29.8 mi | 2 |
| May 4, 1977 | EF3 | 84 km | 26.2 mi | 1 |
| May 4, 1977 | EF3 | 89 km | 11.2 mi | 0 |
| Apr 20, 1973 | EF3 | 78 km | 10.1 mi | 0 |
| Apr 20, 1973 | EF3 | 93 km | 19.4 mi | 0 |
| Apr 20, 1973 | EF3 | 83 km | 5.0 mi | 0 |
| Apr 20, 1973 | EF3 | 97 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,089 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | UNNAMED | 2,089 | 46 km |
| 1991 | UNNAMED | 2,043 | 75 km |
| 1991 | UNNAMED | 1,840 | 97 km |
| 2005 | NR STEELE | 1,652 | 27 km |
| 1988 | UNNAMED | 1,539 | 89 km |
| 1996 | UNNAMED | 1,356 | 74 km |
| 1996 | UNNAMED | 1,346 | 83 km |
| 1996 | UNNAMED | 1,305 | 52 km |
| 2006 | UNNAMED | 1,282 | 82 km |
| 2006 | GRAND | 1,067 | 89 km |
| 1994 | UNNAMED | 1,045 | 96 km |
| 2005 | UNNAMED | 940 | 93 km |
| 1991 | UNNAMED | 938 | 93 km |
| 2005 | UNNAMED | 860 | 64 km |
| 2006 | UNNAMED | 840 | 92 km |
| 2000 | UNNAMED | 802 | 54 km |
| 2009 | REYNOLDS HOLLOW | 728 | 79 km |
| 2006 | SALT CREEK MARSH | 720 | 59 km |
| 1996 | UNNAMED | 636 | 55 km |
| 1996 | UNNAMED | 624 | 50 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 1.5 in | Coldest, Driest |
| February | 35°F (2°C) | 1.6 in | |
| March | 45°F (7°C) | 3.2 in | |
| April | 56°F (13°C) | 3.9 in | |
| May | 65°F (18°C) | 4.9 in | |
| June | 74°F (23°C) | 5.4 in | Wettest |
| July | 79°F (26°C) | 3.5 in | Warmest |
| August | 77°F (25°C) | 3.9 in | |
| September | 69°F (21°C) | 4.7 in | |
| October | 58°F (14°C) | 3.9 in | |
| November | 45°F (7°C) | 2.9 in | |
| December | 34°F (1°C) | 1.9 in |
Passaic has a seasonal temperature swing of 50°F / from 29°F in January to 79°F in July. Total annual precipitation is 41.2 inches, with June being the wettest month (5.4") and January the driest (1.5").