Average Temperatures in Maine

Average annual temperatures for cities, communities, lakes and other locations throughout Maine are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for Maine's Coast, Central Maine and Northern Maine.

Place name links take you to more detailed temperature information for that location.

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

Maine Coast

Average annual temperatures
High °F	Low °F	Place	High °C	Low °C
56	39	Acadia National Park	13	4
54	34	Belfast	12	1
55	36	Brunswick	13	2
53	37	Eastport	12	3
54	35	Jonesboro	12	1
55	36	Kennebunkport	13	2
55	38	Newcastle	13	3
56	39	Portland	14	4
55	38	Tenants Harbor	13	3

Central Maine

Average temperatures for the year
High °F	Low °F	Place	High °C	Low °C
55	37	Augusta	13	3
55	35	Bangor	13	2
54	31	Dover-Foxcroft	12	-1
51	31	Flagstaff Lake, Long Falls Dam	10	-1
54	34	Grand Lake Stream	12	1
55	38	Lewiston	13	3
51	30	Lower Richardson Lake, Middle Dam	11	-1
51	28	Rangeley	11	-2
55	33	Rumford	13	1
56	35	Waterville	13	2

Northern Maine

Average yearly temperatures
High °F	Low °F	Place	High °C	Low °C
49	27	Fort Kent	9	-3
52	32	Millinocket	11	0
50	29	Moosehead Lake, Brassua Dam	10	-2
52	32	Presque Isle	11	0

Average Annual Temperatures in Maine

Maine Coast

Central Maine

Northern Maine

Reference

More Maine Weather Information