Weather & Climate in Diamond, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Diamond enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 32°F in January while summers reach 78°F in July. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 44.7 inches. The area receives 1.8 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 1,161 feet.
Temperature
32°F Jan (0°C)
78°F Jul (26°C)
| Annual Average | 56.4°F |
| 4% above US avg | |
| January Average | 32°F (0°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 1,161 ft (354 m) |
| Area | 0.8 sq mi (1.9 km²) |
| Population Density | 1,168/sq mi |
| Coordinates | 36.9953°N, 94.3161°W |
| Timezone | America/Chicago |
| Nearest Airport | Joplin Regional (JLN) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Jun 11, 2017 | 6 km NNE of Bergman, Arkansas | M3.6 | 137 km | 6 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 136 km | 5 km |
| Jun 16, 2017 | 6 km N of Bergman, Arkansas | M2.9 | 137 km | 6 km |
| Mar 23, 2024 | 9 km SE of Foyil, Oklahoma | M2.8 | 123 km | 5 km |
| Jan 14, 2016 | 7 km W of Talala, Oklahoma | M2.7 | 140 km | 5 km |
| May 21, 2010 | 2 km SW of Centerton, Arkansas | M2.6 | 72 km | 1 km |
| Jun 21, 2017 | 6 km N of Bergman, Arkansas | M2.5 | 136 km | 5 km |
| May 13, 2015 | 8 km E of Lead Hill, Arkansas | M2.5 | 148 km | 0 km |
| Apr 29, 2010 | 3 km SW of Centerton, Arkansas | M2.5 | 73 km | 0 km |
| Aug 11, 2011 | 11 km WSW of Jasper, Arkansas | M2.5 | 145 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
683 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 228 fatalities, 2,364 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 22, 2011 | EF5 | 25 km | 21.6 mi | 158 |
| May 10, 2008 | EF4 | 73 km | 75.5 mi | 21 |
| May 4, 2003 | EF4 | 84 km | 33.0 mi | 4 |
| Nov 29, 1991 | EF4 | 91 km | 10.0 mi | 2 |
| Apr 24, 1975 | EF4 | 30 km | 11.9 mi | 3 |
| Sep 27, 1959 | EF4 | 85 km | 20.4 mi | 1 |
| Apr 3, 1956 | EF4 | 63 km | 41.8 mi | 0 |
| May 25, 2024 | EF3 | 82 km | 7.9 mi | 0 |
| Mar 30, 2022 | EF3 | 98 km | 5.2 mi | 0 |
| May 22, 2019 | EF3 | 30 km | 9.2 mi | 0 |
| May 22, 2019 | EF3 | 36 km | 11.3 mi | 3 |
| May 22, 2011 | EF3 | 77 km | 17.9 mi | 0 |
| Mar 12, 2006 | EF3 | 90 km | 25.0 mi | 0 |
| Mar 12, 2006 | EF3 | 46 km | 42.0 mi | 1 |
| May 4, 2003 | EF3 | 13 km | 49.0 mi | 7 |
| May 4, 2003 | EF3 | 57 km | 25.0 mi | 5 |
| May 4, 2003 | EF3 | 66 km | 86.0 mi | 5 |
| May 17, 1995 | EF3 | 94 km | 14.0 mi | 0 |
| Apr 29, 1983 | EF3 | 80 km | 5.5 mi | 1 |
| Mar 26, 1983 | EF3 | 59 km | 7.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (3,427 acres, 1986).
| Year | Name | Acres Burned | Distance |
| 1986 | UNNAMED | 3,427 | 32 km |
| 2007 | UNNAMED | 3,160 | 92 km |
| 2016 | RXBURN | 2,951 | 94 km |
| 2021 | BRUSH CREEK | 2,814 | 80 km |
| 2004 | UNNAMED | 2,661 | 92 km |
| 2020 | TWIN PEAKS | 2,578 | 94 km |
| 2023 | RX TWIN PEAKS | 2,560 | 94 km |
| 2002 | ROUNDTPCOX | 2,248 | 65 km |
| 2021 | EAST FORK | 2,134 | 69 km |
| 2021 | BIG CREEK | 2,123 | 88 km |
| 1991 | UNNAMED | 2,043 | 97 km |
| 1992 | UNNAMED | 1,996 | 93 km |
| 1995 | UNNAMED | 1,992 | 94 km |
| 2024 | EAST FORK RX | 1,956 | 69 km |
| 2018 | ROCK CREEK RX | 1,956 | 64 km |
| 2013 | ROCK CREEK RX | 1,888 | 64 km |
| 2022 | ROCK CREEK | 1,867 | 64 km |
| 1989 | UNNAMED | 1,774 | 95 km |
| 1989 | UNNAMED | 1,523 | 43 km |
| 2010 | NO TORCH | 1,356 | 95 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 1.8 in | Coldest, Driest |
| February | 38°F (3°C) | 2.2 in | |
| March | 47°F (8°C) | 3.9 in | |
| April | 56°F (14°C) | 4.2 in | |
| May | 65°F (18°C) | 5.0 in | |
| June | 73°F (23°C) | 5.0 in | Wettest |
| July | 78°F (26°C) | 3.1 in | Warmest |
| August | 77°F (25°C) | 3.7 in | |
| September | 70°F (21°C) | 5.0 in | |
| October | 58°F (15°C) | 3.9 in | |
| November | 46°F (8°C) | 4.0 in | |
| December | 37°F (3°C) | 2.9 in |
Diamond has a seasonal temperature swing of 46°F / from 32°F in January to 78°F in July. Total annual precipitation is 44.7 inches, with June being the wettest month (5.0") and January the driest (1.8").
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