With a population of around 5,200, Northumberland sits in New York, United States. The city operates in the Eastern Time Zone.
In 2025, Northumberland recorded an average annual temperature of 48°F. The hottest temperatures reached 93°F in June; the coolest were -6°F in January. Total precipitation for the year was 49 inches, with the wettest month being May. Snowfall for the year totaled approximately 13 inches.
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