Climate almanac
Northumberland
New York, United States · 43.13°, -73.59°
What is the climate like in Northumberland?
The best time to visit Northumberland is typically August – September, with trip comfort peaking in September (7.0/10). Northumberland is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 19°F (-7°C). The wettest month is typically October and the driest is September; the year sees roughly 44 in (1121 mm) of precipitation.
- Best time to visitAugust – September — comfort peaks in September (7.0/10)
- Warmest monthJuly — average high 84°F (29°C)
- Coolest monthJanuary — average low 19°F (-7°C)
- Wettest monthOctober (4.7 in (120 mm))
- Driest monthSeptember (3.1 in (78 mm))
- Annual precipitation44 in (1121 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSara New York, 14 km away (2003-2026)