Weather Averages for Brentwood, NH

7-day Forecast / 10-day Forecast

Latitude: 43°2'N, Longitude: 71°5'W, Elevation: 160.0 ft, Distance: 5.79 mi Brentwood, NH Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 30 years	°F	46	22	25	34	44	55	64	69	67	59	49	39	26
Average high temperature over 30 years	°F	58	32	36	45	57	69	77	82	80	72	62	48	36
Average low temperature over 30 years	°F	34	11	14	23	32	42	51	56	55	46	36	28	17
Average precipitation over 30 years	in	44.0	3.2	3.3	3.4	4.0	3.7	3.7	3.5	3.2	3.4	3.8	4.7	4.1
Heating degree days over 30 years	days	7023	1327	1117	949	606	297	61	8	33	174	490	780	1181
Cooling degree days over 30 years	days	343	-	-	-	-	6	52	153	120	12	-	-	-

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