Climate change in Callaway County, Missouri
Since 1979, Callaway County, Missouri has warmed 2.5°F, with 5 more days above 90°F, 6 more nights above 70°F and about the same precipitation a year. Its climate in 1996–2025 is most like Monroe County, IL's was in 1951–1980.
- Average temperature: +2.5°F
- Summer highs (Jun–Aug): +0.1°F
- Winter lows (Dec–Feb): +3.4°F
- Precipitation: +0%
- Wettest day of the year: +22%
- Longest dry spell: −7 days
- Days above 90°F: +5 days
- Nights above 70°F: +6 days
- Freezing nights: −18 days
- Frost-free season: +5 days
- Muggy days: +12 days
- Summer heat index (Jun–Aug): +1.6°F
- Extreme fire-weather days: +3 days
- Snowfall: −43%
- Snowy days (1 inch or more): −2 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.