Climate change in Appanoose County, Iowa
Since 1979, Appanoose County, Iowa has warmed 1.8°F, with 1 more days above 90°F, 2 fewer nights above 70°F and 2% less precipitation a year. Its climate in 1996–2025 is most like Knox County, MO's was in 1951–1980.
- Average temperature: +1.8°F
- Summer highs (Jun–Aug): +0.6°F
- Winter lows (Dec–Feb): +1.7°F
- Precipitation: −2%
- Wettest day of the year: +10%
- Longest dry spell: −5 days
- Days above 90°F: +1 days
- Nights above 70°F: −2 days
- Freezing nights: −2 days
- Frost-free season: +1 days
- Muggy days: +6 days
- Summer heat index (Jun–Aug): +1.3°F
- Extreme fire-weather days: +14 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.