Climate change in Penobscot County, Maine
Since 1979, Penobscot County, Maine has warmed 2.9°F, with 1 more days above 90°F, about the same number of nights above 70°F and 5% more precipitation a year. Its climate in 1996–2025 is most like Fulton County, NY's was in 1951–1980.
- Average temperature: +2.9°F
- Summer highs (Jun–Aug): +1.9°F
- Winter lows (Dec–Feb): +5.9°F
- Precipitation: +5%
- Wettest day of the year: +16%
- Longest dry spell: +1 days
- Days above 90°F: +1 days
- Nights above 70°F: +0 days
- Freezing nights: −7 days
- Frost-free season: +19 days
- Muggy days: +6 days
- Summer heat index (Jun–Aug): +2.6°F
- Extreme fire-weather days: +9 days
- Snowfall: +19%
- Snowy days (1 inch or more): −1 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.