# Counties in Maine by annual precipitation, 2025

All 16 values come from NOAA National Centers for Environmental Information for 2025, so the places are comparable.

- Indicator id: `precipitation_annual`
- Unit: inches
- Definition: Total precipitation from January to December, in inches: rain plus the water content of snow and other frozen precipitation. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December precipitation, counties (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/annual-precipitation/maine-counties

| Rank | Place | inches |
|---:|---|---:|
| 1 | Knox County | 42.95 |
| 2 | Hancock County | 42.41 |
| 3 | Washington County | 40.85 |
| 4 | Waldo County | 40.78 |
| 5 | Lincoln County | 40.11 |
| 6 | Oxford County | 39.72 |
| 7 | Androscoggin County | 39.66 |
| 8 | Franklin County | 39.58 |
| 9 | Sagadahoc County | 39.32 |
| 10 | Piscataquis County | 39.18 |
| 11 | Kennebec County | 38.83 |
| 12 | Cumberland County | 38.62 |
| 12 | York County | 38.62 |
| 14 | Penobscot County | 38.55 |
| 15 | Aroostook County | 37.54 |
| 16 | Somerset County | 37.35 |