Climateby Month

Concord, NH climate by month

NOAA 1991-2020 normals · 274 ft elevation

Concord has warm summers and cold and snowy winters. Highs peak at 83°F in July and fall to 32°F in January. Wet days are spread through the year, from about 9 to 13 a month. Normal snowfall is about 68 in a year. By our comfort score the best month is May.

Warmest month
83°F
July normal high
Coldest month
13°F
January normal low
Wet days a year
133
42.0 in of precipitation
Snow a year
67.7 in
normal snowfall

How warm is Concord?

Normal highs range from 32°F in January to 83°F in July.

0°20°40°60°80°100° January: normal high 32°F (0°C), low 13°F (-11°C) 32° 13° February: normal high 35°F (2°C), low 15°F (-9°C) March: normal high 44°F (7°C), low 23°F (-5°C) April: normal high 58°F (14°C), low 33°F (1°C) May: normal high 69°F (21°C), low 44°F (7°C) June: normal high 78°F (26°C), low 54°F (12°C) July: normal high 83°F (28°C), low 59°F (15°C) 83° 59° August: normal high 82°F (28°C), low 57°F (14°C) September: normal high 74°F (23°C), low 49°F (9°C) October: normal high 61°F (16°C), low 38°F (3°C) November: normal high 48°F (9°C), low 29°F (-2°C) December: normal high 37°F (3°C), low 20°F (-7°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Concord?

June has the most wet days (about 13); the year brings about 42 in of precipitation.

January: 11 wet days February: 10 wet days March: 12 wet days April: 11 wet days May: 12 wet days June: 13 wet days 13 July: 11 wet days August: 10 wet days September: 9 wet days 9 October: 11 wet days November: 11 wet days December: 12 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 67.7 in a year, most of it in January.

January: 17.1 in of snow 17.1 February: 16.9 in of snow March: 13.6 in of snow April: 2.5 in of snow May: 0.0 in of snow 0.0 June: 0.0 in of snow July: 0.0 in of snow August: 0.0 in of snow September: 0.0 in of snow October: 0.8 in of snow November: 2.5 in of snow December: 14.3 in of snow JFMAMJJASOND

How humid is Concord?

Muggy days peak in July, at about 7 days.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 0 muggy days June: 3 muggy days July: 7 muggy days 7 August: 5 muggy days September: 2 muggy days October: 0 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Concord Municipal Airport, 1.8 mi E of the city center.

How much daylight?

Daylight ranges from about 9.0 hours in December to 15.3 hours in June.

January: 9.4 hours of daylight February: 10.5 hours of daylight March: 11.9 hours of daylight April: 13.4 hours of daylight May: 14.7 hours of daylight June: 15.3 hours of daylight 15.3 July: 15.0 hours of daylight August: 13.9 hours of daylight September: 12.5 hours of daylight October: 11.0 hours of daylight November: 9.7 hours of daylight December: 9.0 hours of daylight 9.0 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Concord, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 32°F13°F 2.8 in11 17.1 in 0 9.4 h
February 35°F15°F 2.8 in10 16.9 in 0 10.5 h
March 44°F23°F 3.3 in12 13.6 in 0 11.9 h
April 58°F33°F 3.4 in11 2.5 in 0 13.4 h
May 69°F44°F 3.5 in12 0.0 in 0 14.7 h
June 78°F54°F 3.8 in13 0.0 in 3 15.3 h
July 83°F59°F 3.6 in11 0.0 in 7 15.0 h
August 82°F57°F 3.6 in10 0.0 in 5 13.9 h
September 74°F49°F 3.6 in9 0.0 in 2 12.5 h
October 61°F38°F 4.4 in11 0.8 in 0 11.0 h
November 48°F29°F 3.4 in11 2.5 in 0 9.7 h
December 37°F20°F 3.7 in12 14.3 in 0 9.0 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Concord

By our comfort score, the best month is May.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 250625
Feb 290621
Mar 401713
Apr 57672
May 741671
Jun 691373
Jul 60765
Aug 61964
Sep 701761
Oct 56970
Nov 40267
Dec 260721

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Concord

The last spring frost typically comes around May 8, and the first fall frost around Oct 3, leaving 146 frost-free days in a typical year.

Frost and freeze dates for Concord
Typical date1 year in 10
Last spring frost (32°F)May 8after May 22
First fall frost (32°F)Oct 3before Sep 21
Last hard freeze (28°F)Apr 27after May 9
First hard freeze (28°F)Oct 13before Oct 1
Frost-free season146 daysunder 128 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Concord Muni Airport (USW00014745), NOAA 1991-2020 freeze probabilities. Frost dates for every city in New Hampshire.

Hottest and coldest readings, 1991-2020

The highest reading was 101°F (July 14, 1995); the lowest was -28°F (January 20, 1994).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Concord

Similar climates elsewhere

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Concord Muni Airport (USW00014745), 2.0 mi ESE of the city center, 346 ft (72 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Concord Municipal Airport (726050-14745), 1.8 mi E of the city center, 339 ft (65 ft higher than the city). Hourly observations, 1991-2020.

Distances from the city center (USGS). Methodology · Report an error