All Countries
Weather & Climate in Rosanky, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rosanky enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 51°F in January while summers reach 83°F in July. The area gets 300 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 37.9 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 412 feet.
Temperature
51°F Jan (11°C)
83°F Jul (28°C)
| Annual Average | 68.0°F |
| 26% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 300 days/yr |
Geography
| Elevation | 412 ft (126 m) |
| Area | 20.4 sq mi (52.9 km²) |
| Population Density | 79/sq mi |
| Coordinates | 29.9533°N, 97.3119°W |
| Timezone | America/Chicago |
| County | Caldwell County County |
| Nearest Airport | Austin-Bergstrom International (AUS) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 79.8 / 100 |
| Social Vulnerability | 64.7 / 100 |
| Community Resilience | 9.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
170 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Oct 20, 2011 | 14 km SSW of Falls City, Texas | M4.8 | 142 km | 5 km |
| Jan 30, 2025 | 18 km ENE of Falls City, Texas | M4.6 | 112 km | 7 km |
| Feb 17, 2024 | 3 km SSW of Falls City, Texas | M4.5 | 132 km | 7 km |
| Feb 17, 2024 | 3 km S of Falls City, Texas | M4.3 | 131 km | 8 km |
| Apr 9, 1993 | 21 km NW of Pawnee, Texas | M4.1 | 149 km | 5 km |
| Sep 14, 2023 | 16 km ENE of Falls City, Texas | M4.1 | 114 km | 8 km |
| May 1, 2018 | 4 km SSE of Falls City, Texas | M4.0 | 130 km | 5 km |
| Apr 7, 2008 | 7 km SSW of Falls City, Texas | M3.9 | 135 km | 5 km |
| Feb 17, 2024 | 3 km S of Falls City, Texas | M3.9 | 131 km | 8 km |
| Feb 22, 2024 | 3 km E of Falls City, Texas | M3.9 | 126 km | 8 km |
| Jul 19, 2023 | 19 km E of Pleasanton, Texas | M3.8 | 144 km | 9 km |
| Feb 17, 2024 | 2 km S of Falls City, Texas | M3.7 | 130 km | 8 km |
| Feb 12, 2024 | 3 km S of Falls City, Texas | M3.7 | 131 km | 7 km |
| Jun 16, 2019 | 5 km SE of Falls City, Texas | M3.6 | 129 km | 5 km |
| Jan 6, 2018 | 17 km SW of Falls City, Texas | M3.6 | 146 km | 5 km |
| Jul 20, 1991 | 8 km SSW of Falls City, Texas | M3.6 | 136 km | 10 km |
| Feb 23, 2024 | 2 km ESE of Falls City, Texas | M3.5 | 127 km | 8 km |
| Jan 31, 2025 | 19 km ENE of Falls City, Texas | M3.5 | 111 km | 7 km |
| May 2, 2024 | 2 km E of Falls City, Texas | M3.5 | 126 km | 7 km |
| Feb 19, 2024 | 0 km ENE of Falls City, Texas | M3.4 | 127 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
10 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Beryl | Category 1 | 92 mph | 146 km |
| 2021 | Nicholas | Category 1 | 75 mph | 202 km |
| 2017 | Harvey | Category 4 | 132 mph | 139 km |
| 2008 | Ike | Category 2 | 109 mph | 207 km |
| 2007 | Humberto | Category 1 | 92 mph | 275 km |
| 2003 | Claudette | Category 1 | 92 mph | 156 km |
| 1989 | Chantal | Category 1 | 81 mph | 284 km |
| 1989 | Jerry | Category 1 | 86 mph | 239 km |
| 1986 | Bonnie | Category 1 | 86 mph | 290 km |
| 1983 | Alicia | Category 3 | 115 mph | 177 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
433 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 9 fatalities, 239 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 27, 1997 | EF4 | 82 km | 5.6 mi | 1 |
| Mar 10, 2000 | EF3 | 80 km | 21.0 mi | 0 |
| May 27, 1997 | EF3 | 82 km | 9.2 mi | 0 |
| May 17, 1989 | EF3 | 96 km | 3.0 mi | 1 |
| Apr 7, 1980 | EF3 | 73 km | 31.7 mi | 1 |
| Sep 20, 1967 | EF3 | 71 km | 4.3 mi | 0 |
| Sep 20, 1967 | EF3 | 72 km | 2.0 mi | 0 |
| Sep 20, 1967 | EF3 | 85 km | 5.0 mi | 0 |
| May 10, 1959 | EF3 | 54 km | 11.0 mi | 0 |
| Apr 24, 1957 | EF3 | 36 km | 14.7 mi | 0 |
| Mar 20, 1957 | EF3 | 56 km | 16.9 mi | 0 |
| Mar 20, 1957 | EF3 | 58 km | 7.2 mi | 0 |
| Apr 30, 1954 | EF3 | 54 km | 139.9 mi | 0 |
| Dec 2, 1953 | EF3 | 69 km | 3.3 mi | 0 |
| Dec 1, 1953 | EF3 | 78 km | 5.1 mi | 0 |
| Apr 28, 1953 | EF3 | 15 km | 0.5 mi | 0 |
| Jun 5, 1950 | EF3 | 91 km | 23.9 mi | 0 |
| Mar 21, 2022 | EF2 | 58 km | 7.9 mi | 0 |
| Mar 21, 2022 | EF2 | 37 km | 12.0 mi | 0 |
| Mar 21, 2022 | EF2 | 67 km | 34.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
10 wildfires (100+ acres) recorded within 100 km. Largest: BASTROP COUNTY COMPLEX (31,838 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | BASTROP COUNTY COMPLEX | 31,838 | 21 km |
| 2011 | DELHI | 4,735 | 20 km |
| 2011 | SPICEWOOD | 4,239 | 92 km |
| 2015 | HIDDEN PINES | 3,807 | 19 km |
| 2011 | BAILEY | 3,136 | 84 km |
| 2011 | LUTHERHILL | 2,215 | 45 km |
| 2009 | REESE LANE | 1,888 | 83 km |
| 2009 | WILDERNESS RIDGE | 1,278 | 17 km |
| 2022 | SMOKE RIDER | 1,233 | 94 km |
| 2006 | PURGATORY | 1,004 | 74 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 2.5 in | Coldest |
| February | 52°F (11°C) | 2.4 in | |
| March | 60°F (16°C) | 2.2 in | |
| April | 66°F (19°C) | 2.9 in | |
| May | 73°F (23°C) | 5.0 in | Wettest |
| June | 80°F (27°C) | 4.0 in | |
| July | 83°F (28°C) | 2.0 in | Driest |
| August | 83°F (29°C) | 2.4 in | Warmest |
| September | 79°F (26°C) | 4.5 in | |
| October | 70°F (21°C) | 3.9 in | |
| November | 59°F (15°C) | 3.1 in | |
| December | 52°F (11°C) | 2.4 in |
Rosanky has a seasonal temperature swing of 32°F / from 51°F in January to 83°F in August. Total annual precipitation is 37.3 inches, with May being the wettest month (5.0") and July the driest (2.0").