New Hampshire December Weather

New Hampshire weather averages and all-time records in the month of December from 1991–2020 based on data made available by the NOAA.

State:

Month:

Statewide December Averages
High temperature	33.9 °F
Low temperature	16.9 °F
Precipitation	4.2 inches

New Hampshire Cities

December weather averages for various places in New Hampshire, from 1991–2020.

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation	Snow
Berlin	32.6	15.0	68	-44	3.7	19.9
Colebrook	30.1	12.3	65	-38	3.2	21.2
Concord	37.1	18.7	73	-24	3.7	14.9
Durham	38.6	21.3	74	-31	3.8	9.5
Greenland	39.2	22.4	75	-17	4.7	14.1
Hanover	34.4	19.4	76	-37	3.1	12.7
Keene	36.6	18.3	70	-29	3.8	13.5
Lebanon	35.2	17.6	69	-36	3.0	n/a
Manchester	39.3	21.7	78	-20	3.3	n/a
Mt. Washington	20.0	4.4	47	-41	7.4	47.6
Nashua	39.6	21.0	73	-24	4.5	12.3