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Best time to visit · New York, United States
May – September are the best time to visit Seneca Lake on the climate data: September scores 84/100, with highs around 75°F (24°C) and 3.6 in (91 mm) of rain. April and October are good shoulder-season months. The toughest months are December – February, mainly because of cool days.
Highs run from 31°F to 83°F across the year, and the yearly total is about 39.7 in (1009 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 31°F-1°C | 32°F0°C | 41°F5°C | 55°F13°C | 68°F20°C | 77°F25°C | 83°F29°C | 82°F28°C | 75°F24°C | 60°F16°C | 47°F9°C | 36°F2°C |
| Avg low | 19°F-7°C | 19°F-7°C | 26°F-4°C | 36°F2°C | 48°F9°C | 58°F14°C | 64°F18°C | 62°F17°C | 55°F13°C | 44°F7°C | 33°F1°C | 25°F-4°C |
| Rain/snow | 2.4 in62 mm | 2.4 in60 mm | 2.6 in67 mm | 3.3 in83 mm | 3.5 in89 mm | 3.9 in98 mm | 3.9 in99 mm | 3.7 in95 mm | 3.6 in91 mm | 4.3 in108 mm | 2.9 in74 mm | 3.3 in83 mm |
| Humidity | 90% | 89% | 83% | 78% | 75% | 73% | 69% | 70% | 72% | 78% | 83% | 89% |
| Cloud | 80% | 78% | 72% | 68% | 66% | 62% | 57% | 58% | 55% | 69% | 73% | 82% |
| Comfort | 41 | 42 | 44 | 67 | 82 | 80 | 78 | 81 | 84 | 72 | 53 | 38 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 173 m (568 ft), close to Seneca Lake's own ~135 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs of 31–36°F (-1–2°C), and nights reach 19°F (-7°C). It's the driest season, with only about 8.1 in (205 mm) of rain or snow, 20% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in December – February; the season averages 40/100.
Temperatures climb through the season, from 41°F highs in March to 68°F by May. About 9.4 in (239 mm) of rain or snow falls across these months, 24% of the year's total. March is cold enough for snow. Comfort peaks here: May ranks with the year's best, and the season averages 64/100.
The warmest stretch of the year, with highs of 77–83°F (25–29°C). It's the wettest season, with about 11.5 in (292 mm) of rain, 29% of the year's total. Lows bottom out around 58°F (14°C). June – August are among the best-scoring months (season average 80/100).
Temperatures slide from 75°F highs in September to 47°F by November. About 10.7 in (273 mm) of rain falls across these months, 27% of the year's total. Lows bottom out around 33°F (1°C). Comfort peaks here: September ranks with the year's best, and the season averages 70/100.
By comfort score: 5 Great, 2 Good, 1 Fair and 4 Tough. Great months: May – September. Tap a month for its own guide.
May – September are the best time to visit Seneca Lake on the climate data: September scores 84/100, with highs around 75°F (24°C) and 3.6 in (91 mm) of rain. April and October are good shoulder-season months. The toughest months are December – February, mainly because of cool days.
October is the wettest month, averaging about 4.3 in (108 mm) of rain. February is the driest, with about 2.4 in (60 mm). The yearly total is around 39.7 in (1009 mm).
January is the coldest, with average lows of 19°F (-7°C) and highs of 31°F (-1°C). The warmest is July, with average highs of 83°F (29°C).
Not very: summer (June – August) humidity averages 71%, and highs peak around 83°F (29°C), so heat matters more than mugginess.
On average, yes: lows fall below 32°F (0°C) in December – March, bottoming out around 19°F (-7°C) in January.
Poll the group on May – September dates, then plan the days, packing and costs together.
