Climate change in Tama County, Iowa
Since 1979, Tama County, Iowa has warmed 2.1°F, with 4 fewer days above 90°F, 1 fewer nights above 70°F and 2% less precipitation a year. Its climate in 1996–2025 is most like Cedar County, IA's was in 1951–1980.
- Average temperature: +2.1°F
- Summer highs (Jun–Aug): +0.5°F
- Winter lows (Dec–Feb): +3.2°F
- Precipitation: −2%
- Wettest day of the year: −7%
- Longest dry spell: −3 days
- Days above 90°F: −4 days
- Nights above 70°F: −1 days
- Freezing nights: −8 days
- Frost-free season: +11 days
- Muggy days: +5 days
- Summer heat index (Jun–Aug): +0.9°F
- Extreme fire-weather days: +18 days
- Snowfall: +44%
- Snowy days (1 inch or more): +4 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.