Concord weather in May: Concord, New Hampshire: normal highs, lows, rain and records for May
Concord in May has a normal high of 69°F and a normal low of 44°F, a daily mean of 57°F, rising from 65°F on the 1st to 73°F by the 31st. Measurable precipitation falls on 12 days in a normal May, 3.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 7°C, 88 mm of precipitation in May.
- NOAA stationConcord Municipal Airport
- Station IDUSW00014745
- Location43.20°N 71.50°W
- Elevation346 ft (106 m)
- From the center4 miles
- Population44,674
- Jan 32° 13°
- Feb 35° 15°
- Mar 44° 23°
- Apr 58° 33°
- May 69° 44°
- Jun 78° 54°
- Jul 83° 59°
- Aug 82° 57°
- Sep 74° 49°
- Oct 61° 38°
- Nov 48° 29°
- Dec 37° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Concord in May?
The normal high is 69°F and the normal low 44°F, for a daily mean of 56.7°F. May is 11.3°F warmer than April and 9.1°F cooler than June. May is the 5th warmest month of the year in Concord and the 7th wettest. Across the month the normal high rises 8°F, from 65°F on May 1 to 73°F on May 31. From one year to the next May's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Mays in three average between 54°F and 59°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 65°F | 39°F | 39% | 23% |
| May 8 | 67°F | 42°F | 39% | 23% |
| May 15 | 69°F | 44°F | 40% | 24% |
| May 22 | 71°F | 46°F | 41% | 24% |
| May 31 | 73°F | 49°F | 41% | 24% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 65°F | 39°F | 39% | 23% | 14 h |
| May 2 | 65°F | 39°F | 39% | 23% | 14 h 10 min |
| May 3 | 66°F | 40°F | 39% | 23% | 14 h 10 min |
| May 4 | 66°F | 40°F | 39% | 23% | 14 h 10 min |
| May 5 | 66°F | 40°F | 39% | 23% | 14 h 20 min |
| May 6 | 67°F | 41°F | 39% | 23% | 14 h 20 min |
| May 7 | 67°F | 41°F | 39% | 23% | 14 h 20 min |
| May 8 | 67°F | 42°F | 39% | 23% | 14 h 20 min |
| May 9 | 68°F | 42°F | 40% | 23% | 14 h 20 min |
| May 10 | 68°F | 42°F | 40% | 23% | 14 h 30 min |
| May 11 | 68°F | 43°F | 40% | 23% | 14 h 30 min |
| May 12 | 68°F | 43°F | 40% | 24% | 14 h 30 min |
| May 13 | 69°F | 43°F | 40% | 24% | 14 h 30 min |
| May 14 | 69°F | 44°F | 40% | 24% | 14 h 40 min |
| May 15 | 69°F | 44°F | 40% | 24% | 14 h 40 min |
| May 16 | 69°F | 44°F | 41% | 24% | 14 h 40 min |
| May 17 | 70°F | 45°F | 41% | 24% | 14 h 40 min |
| May 18 | 70°F | 45°F | 41% | 24% | 14 h 40 min |
| May 19 | 70°F | 45°F | 41% | 24% | 14 h 50 min |
| May 20 | 71°F | 46°F | 41% | 24% | 14 h 50 min |
| May 21 | 71°F | 46°F | 41% | 24% | 14 h 50 min |
| May 22 | 71°F | 46°F | 41% | 24% | 14 h 50 min |
| May 23 | 71°F | 46°F | 41% | 24% | 14 h 50 min |
| May 24 | 72°F | 47°F | 41% | 24% | 15 h |
| May 25 | 72°F | 47°F | 41% | 24% | 15 h |
| May 26 | 72°F | 47°F | 41% | 24% | 15 h |
| May 27 | 72°F | 48°F | 41% | 24% | 15 h |
| May 28 | 73°F | 48°F | 41% | 24% | 15 h |
| May 29 | 73°F | 48°F | 41% | 24% | 15 h |
| May 30 | 73°F | 49°F | 41% | 24% | 15 h 10 min |
| May 31 | 73°F | 49°F | 41% | 24% | 15 h 10 min |
- Normal high
- 69°FMay average
- Normal low
- 44°FMay average
- Precipitation
- 3.47 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 3
- Daylight
- 14 h to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 16
- Days at 80°F or more
- 6
- Sunshine
- 67%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014745; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Concord in May?
On a given May day the chance of 0.01 inch or more is 40% on average, highest around May 31 (41%). In all, 3.47 in falls on 12 days of a normal May, 1 of them with an inch or more.
In a normal May in Concord, 1 days reach 90°F and 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014745.
How humid and windy is Concord in May?
At 3 p.m. the normal temperature is 71°F with 45% relative humidity and a dew point of 49°F; at 6 a.m. it is 54°F with 84% humidity. The wind averages 6.0 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 54°F | 50°F | 84% | 3.4 mph | – |
| 9 a.m. | 64°F | 50°F | 61% | 7.0 mph | 58% |
| noon | 69°F | 49°F | 48% | 9.2 mph | 52% |
| 3 p.m. | 71°F | 49°F | 45% | 9.4 mph | 50% |
| 6 p.m. | 67°F | 49°F | 52% | 8.1 mph | 55% |
| 9 p.m. | 59°F | 50°F | 72% | 4.2 mph | 59% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014745. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in Concord?
The warmest May temperature on Concord's official record (since 1868) is 98°F, on May 22, 1911; the coldest is 21°F, on May 10, 1947. The wettest May brought 11.09 in (2006); the snowiest, 5.0 inches (1945).
The May mean against the 1991-2020 normal of 56.7°F: 2021 57.4°F (+0.6), 2022 59.7°F (+3.0), 2023 55.8°F (−0.9), 2024 59.9°F (+3.2), 2025 57.6°F (+0.9), 2026 56.3°F (−0.4). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 57.4°F | +0.6°F | 2.99 in |
| 2022 | 59.7°F | +3.0°F | 2.99 in |
| 2023 | 55.8°F | −0.9°F | 2.68 in |
| 2024 | 59.9°F | +3.2°F | 2.51 in |
| 2025 | 57.6°F | +0.9°F | 8.73 in |
| 2026 | 56.3°F | −0.4°F | 6.08 in |
Source: records: ACIS, NWS threaded record CONthr; recent months: ACIS, station USW00014745. Records and recent months use complete months only.
How does May in Concord compare across New Hampshire?
Across the 28 places PlainClimate covers in New Hampshire, May normal highs run from 64°F in Colebrook to 71°F in Hanover; Concord's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.