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Weather & Climate in Nongthymmai, India
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nongthymmai enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 51°F in January while summers reach 70°F in July / relatively mild seasonal variation. The area gets 177 sunny days per year. Annual precipitation totals 140.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 5,171 feet.
Temperature
51°F Jan (11°C)
70°F Jul (21°C)
| Annual Average | 63.0°F |
| 17% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 177 days/yr |
Geography
| Elevation | 5,171 ft (1,576 m) |
| Area | 287.3 sq mi (744.0 km²) |
| Population Density | 132/sq mi |
| Coordinates | 25.5637°N, 91.9064°W |
| Timezone | Asia/Kolkata |
Precipitation & Snow
Air Quality
Earthquake History
173 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| May 8, 1997 | 11 km WNW of Kar?mganj, India | M6.0 | 82 km | 35 km |
| Apr 28, 2021 | 8 km NNW of Dhekiajuli, India | M6.0 | 146 km | 34 km |
| Nov 19, 1996 | India-Bangladesh border region | M5.4 | 140 km | 50 km |
| May 11, 2012 | 19 km N of Hoj?i, India | M5.4 | 120 km | 43 km |
| Feb 26, 2025 | 5 km N of Morigaon, India | M5.3 | 93 km | 10 km |
| Aug 14, 2023 | 16 km NW of Karīmganj, India | M5.3 | 74 km | 37 km |
| Sep 2, 1990 | 12 km W of Tezpur, India | M5.2 | 143 km | 46 km |
| Mar 2, 2013 | 25 km SSW of Kar?mganj, India | M5.2 | 104 km | 39 km |
| Feb 23, 2006 | 14 km ENE of Samdrup Jongkhar, Bhutan | M5.2 | 147 km | 10 km |
| Oct 5, 1999 | 18 km NE of Dispur, India | M5.2 | 77 km | 33 km |
| Jan 23, 2023 | 12 km NE of Lakhipur, India | M5.1 | 140 km | 10 km |
| Feb 22, 1990 | 19 km NNE of Lakhipur, India | M5.1 | 139 km | 52 km |
| Jul 18, 1997 | 28 km E of Samdrup Jongkhar, Bhutan | M5.0 | 139 km | 47 km |
| Aug 19, 2009 | 9 km N of Dhing, India | M5.0 | 124 km | 10 km |
| Feb 8, 2020 | 10 km E of Abhay?puri, India | M5.0 | 141 km | 10 km |
| Feb 25, 1992 | 38 km NNW of Kar?mganj, India | M5.0 | 52 km | 33 km |
| Dec 29, 1990 | 13 km SE of Dhekiajuli, India | M5.0 | 135 km | 33 km |
| Jun 16, 2023 | India-Bangladesh border region | M5.0 | 93 km | 10 km |
| Apr 5, 2016 | 38 km SE of Lakhipur, India | M5.0 | 138 km | 10 km |
| Dec 12, 1992 | 15 km ESE of Nongstoin, India | M5.0 | 50 km | 41 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2007 | Sidr | Category 1 | — | 255 km |
| 1997 | Unnamed | Category 2 | — | 199 km |
| 1997 | Unnamed | Category 1 | — | 202 km |
| 1991 | Unnamed | Category 3 | 35 mph | 251 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1897 | ASSAM | Earthquake | 3.0 m | 1,542 | 130 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 0.5 in | Coldest |
| February | 54°F (12°C) | 0.9 in | |
| March | 61°F (16°C) | 3.2 in | |
| April | 66°F (19°C) | 7.7 in | |
| May | 67°F (20°C) | 16.0 in | |
| June | 69°F (21°C) | 31.3 in | |
| July | 70°F (21°C) | 32.7 in | Wettest |
| August | 70°F (21°C) | 20.0 in | Warmest |
| September | 69°F (20°C) | 15.8 in | |
| October | 65°F (19°C) | 10.0 in | |
| November | 60°F (15°C) | 1.7 in | |
| December | 54°F (12°C) | 0.5 in | Driest |
Nongthymmai has a seasonal temperature swing of 19°F / from 51°F in January to 70°F in August. Total annual precipitation is 140.3 inches, with July being the wettest month (32.7") and December the driest (0.5").