Climateby Month

Concord, NH weather in May

NOAA 1991-2020 normals and daily records · Concord all year

Expect mild weather with frequent rain in Concord in May, with highs near 69°F and lows near 44°F. Rain falls on about 12 days.

Normal high
69°F
Normal low
44°F
Wet days
12
3.5 in total
Muggy days
0
dew point 65°F+

How May changes from start to finish

Normal values at the start and end of May
May 1May 31
Normal high65°F73°F
Normal low39°F49°F
Chance of a wet day39%41%
Sunrise / sunset5:39 am / 7:47 pm5:09 am / 8:18 pm
Daylight14.1 h15.2 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical May day

  1. 6 am49°Fdew point 43°F
  2. 9 am59°Fdew point 43°F
  3. Noon65°Fdew point 42°F
  4. 3 pm67°Fdew point 42°F
  5. 6 pm63°Fdew point 42°F
  6. 9 pm55°Fdew point 44°F

NOAA hourly normals (local standard time) from Concord Muni Airport (2 mi away); average wind 6 mph; clear or few clouds in 49% of daytime hours, mostly cloudy or overcast in 44%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F16 of 31
  • Hot dayshigh 90°F or more1 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow12 of 31
  • Notable rainat least 0.10 in7 of 31
  • Freezing nightslow 32°F or below3 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per May, counted from daily records for each year 1991-2020.

Rain in May

Normal precipitation is 3.5 in; a dry May brings about 2.4 in and a wet one about 4.4 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Snow is very rare.

How May varies from year to year

  • Warmest May, 1991-20202015: average high 78°F
  • Coolest May2005: average high 62°F
  • Wettest May2006: 11.1 in
  • Driest May2008: 0.5 in
  • Highest reading96°F (May 26, 2010)
  • Lowest reading24°F (May 1, 2008)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

May compared with April and June

AprilMayJune
Normal high58°F69°F78°F
Normal low33°F44°F54°F
Wet days111213
Comfortable days61613
Daylight13.4 h14.7 h15.3 h

Highs change by +11°F from April and +9°F into June.

Nearby alternatives in May

How Concord ranks in May

  • Normal high281st warmest of 378 cities; 1st of 4 in New Hampshire
  • Wet days295th driest of 378
  • Comfortable days58th most of 339

What to pack for Concord in May

  • Layers – afternoons near 69°F but nights near 44°F
  • A rain jacket or umbrella – rain on about 12 days

Frost in May

The last spring frost typically comes around May 8; in 1 year in 10 it comes after May 22. All frost dates for Concord.

Heating and cooling

May has 278 heating degree days and 20 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How cold is Concord in May?

The normal high is 69°F and the normal low is 44°F. From 1991 to 2020 the coldest May reading was 24°F (May 1, 2008).

Does it rain a lot in Concord in May?

About 12 days in May have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest May in 1991-2020 was in 2006 (11.1 in); the driest was in 2008 (0.5 in).

Is May a good time to visit Concord?

May ranks 1st of 12 months on our comfort score for Concord (74 out of 100). It has about 16 comfortable days and about 1 day at 90°F or hotter. The best month is May.

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.