Climate change in Rolette County, North Dakota
Since 1979, Rolette County, North Dakota has warmed 2.1°F, with 4 fewer days above 90°F, about the same number of nights above 70°F and 8% less precipitation a year. Its climate in 1996–2025 is most like Bottineau County, ND's was in 1951–1980.
- Average temperature: +2.1°F
- Summer highs (Jun–Aug): +1.1°F
- Winter lows (Dec–Feb): +4.1°F
- Precipitation: −8%
- Wettest day of the year: −0%
- Longest dry spell: +16 days
- Days above 90°F: −4 days
- Nights above 70°F: +0 days
- Freezing nights: −11 days
- Frost-free season: +20 days
- Muggy days: +1 days
- Summer heat index (Jun–Aug): +1.8°F
- Extreme fire-weather days: +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.