Average August Temperatures for New Hampshire

Average Temperatures for New Hampshire in August

Average temperatures for August at cities, communities and other locations around around New Hampshire are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for Southern and Northern New Hampshire.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Southern New Hampshire

Average August temperatures
High °F	Low °F	Place	High °C	Low °C
82	57	Concord	28	14
81	57	Durham	27	14
80	56	Franklin Falls Reservoir Dam	26	13
81	54	Keene	27	12
81	59	Laconia & Lakeport	27	15
81	56	Lebanon	27	13
80	59	Massabesic Lake	27	15
77	57	Mount Sunapee	25	14
83	59	Nashua	28	15
79	59	Portsmouth & Greenland	26	15
81	58	Rochester	27	14

Northern New Hampshire

Average daily temperatures in August
High °F	Low °F	Place	High °C	Low °C
77	53	Berlin	25	11
79	50	Bethlehem	26	10
76	50	Colebrook	24	10
74	52	First Connecticut Lake	23	11
54	43	Mount Washington	12	6
80	56	North Conway	27	13
74	52	Pinkham Notch	23	11
79	52	Plymouth	26	11
77	53	Tamworth	25	11

Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Average Temperatures for New Hampshire in August

Southern New Hampshire

Northern New Hampshire

Reference

More New Hampshire Weather Information