Weather Averages for Charlton, MA

7-day Forecast / 10-day Forecast

Latitude: 42°7'N, Longitude: 71°54'W, Elevation: 500.0 ft, Distance: 3.73 mi Charlton, MA Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 30 years	°F	46	21	23	33	44	55	64	69	67	59	49	39	27
Average high temperature over 30 years	°F	57	32	35	44	56	67	76	81	79	71	61	49	37
Average low temperature over 30 years	°F	35	10	12	23	33	43	52	58	56	47	36	29	17
Average precipitation over 30 years	in	46.4	3.8	3.4	3.8	3.9	3.8	4.0	3.8	3.8	3.8	4.0	4.5	4.1
Heating degree days over 30 years	days	7053	1342	1156	967	606	296	67	5	28	171	490	759	1166
Cooling degree days over 30 years	days	336	-	-	-	-	-	52	154	115	15	-	-	-

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