Climate change in Griggs County, North Dakota
Since 1979, Griggs County, North Dakota has warmed 1.7°F, with 7 fewer days above 90°F, about the same number of nights above 70°F and 6% more precipitation a year. Its climate in 1996–2025 is most like Day County, SD's was in 1951–1980.
- Average temperature: +1.7°F
- Summer highs (Jun–Aug): −0.7°F
- Winter lows (Dec–Feb): +3.3°F
- Precipitation: +6%
- Wettest day of the year: +5%
- Longest dry spell: −4 days
- Days above 90°F: −7 days
- Nights above 70°F: −0 days
- Freezing nights: −12 days
- Frost-free season: +21 days
- Muggy days: +5 days
- Summer heat index (Jun–Aug): +0.0°F
- Extreme fire-weather days: −7 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.