Climate and Average Weather Year Round in New Hampshire, United States

New Hampshire experiences a diverse climate, with warm summers and freezing, snowy winters, along with partly cloudy conditions throughout the year. The temperature typically ranges from 16°F to 83°F, rarely dipping below 1°F or surpassing 91°F.

For warm-weather activities, the optimal time to visit New Hampshire is from mid-June to mid-September.

Average Temperature in New Hampshire

During the warm season, spanning 3.6 months from May 28 to September 15, the average daily high temperature exceeds 73°F. July marks the peak of heat, with an average high of 83°F and a low of 63°F.

Conversely, the cold season lasts 3.4 months, from November 30 to March 11, with an average daily high temperature below 43°F. January, the coldest month, sees an average low of 17°F and a high of 33°F.

See more: https://weatherusa.app/new-hampshire

Precipitation Analysis

In order to capture the nuanced changes within each month, we present the rainfall accumulation over a dynamic 31-day period centered around each day of the year. New Hampshire exhibits notable fluctuations in monthly precipitation.

Throughout the year in Manchester, rainfall is a consistent occurrence. October stands out as the wettest month in New Hampshire, recording an average rainfall of 3.9 inches.

Conversely, January experiences the least precipitation in New Hampshire, with an average rainfall of 1.3 inches.

Snow Analysis

Similar to our rainfall assessment, we examine the snowfall accumulation over a dynamic 31-day period centered around each day of the year to grasp the seasonal snow patterns in New Hampshire.

The snowy season spans 5.5 months, from October 29 to April 15, with consistent snowfall of at least 1.0 inches. January sees the heaviest snowfall, averaging 13.9 inches.

Conversely, the snow-free period extends over 6.5 months, from April 15 to October 29. July 30 marks the lowest snow accumulation, averaging 0.0 inches.