August weather forecast and climate
New Hampshire, USA

Flag of New Hampshire, USA
Flag of New Hampshire, USA

Weather in August

August is a hot summer month in New Hampshire with average high temperatures in the 73°F (22.8°C) to 81°F (27.2°C). Nashua in the south averages between 58°F (14.4°C) to 81°F (27.2°C), while Tamworth in the north is between 50°F (10°C) to 78°F (25.6°C). Conditions are hot in the day, and temperatures frequently cross 90°F (32.2°C).
Rain usually occurs in small bouts and registers a statewide 4" (102mm) on an average. August is prone to thunderstorms, particularly in the highlands and the mountain ranges of the north.
Campgrounds are rarely vacant during the summer as the weather is usually bright and sunny most of the time, and the nights are comfortable. It is an excellent idea to carry an insect repellent when camping in open tents during the nights. The hot weather, increased humidity levels and dry spells in between the rains are an invitation to hay fever - people who are allergic to pollens should wait until the conditions subside reasonably by the fall season.
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