Manchester weather in May: Manchester, New Hampshire: normal highs, lows, rain and records for May
Manchester in May has a normal high of 70°F and a normal low of 48°F, a daily mean of 59°F, rising from 66°F on the 1st to 74°F by the 31st. Measurable precipitation falls on 12 days in a normal May, 3.38 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 9°C, 86 mm of precipitation in May.
- NOAA stationManchester Airport
- Station IDUSW00014710
- Location42.93°N 71.44°W
- Elevation225 ft (69 m)
- From the center4 miles
- Population116,386
- Jan 34° 17°
- Feb 37° 19°
- Mar 46° 27°
- Apr 59° 38°
- May 70° 48°
- Jun 79° 58°
- Jul 84° 64°
- Aug 82° 62°
- Sep 75° 54°
- Oct 62° 42°
- Nov 50° 33°
- Dec 39° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Manchester in May?
The normal high is 70°F and the normal low 48°F, for a daily mean of 58.9°F. May is 10.7°F warmer than April and 9.2°F cooler than June. May is the 5th warmest month of the year in Manchester and the 6th wettest. Across the month the normal high rises 8°F, from 66°F on May 1 to 74°F on May 31. From one year to the next May's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Mays in three average between 56°F and 62°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 | 66°F | 43°F | 38% | 23% |
| May 8 | 68°F | 45°F | 39% | 24% |
| May 15 | 70°F | 47°F | 40% | 25% |
| May 22 | 72°F | 50°F | 40% | 25% |
| May 31 | 74°F | 53°F | 41% | 26% |
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 | 66°F | 43°F | 38% | 23% | 14 h |
| May 2 | 66°F | 43°F | 38% | 23% | 14 h 10 min |
| May 3 | 67°F | 44°F | 39% | 23% | 14 h 10 min |
| May 4 | 67°F | 44°F | 39% | 23% | 14 h 10 min |
| May 5 | 67°F | 44°F | 39% | 23% | 14 h 10 min |
| May 6 | 68°F | 45°F | 39% | 23% | 14 h 20 min |
| May 7 | 68°F | 45°F | 39% | 23% | 14 h 20 min |
| May 8 | 68°F | 45°F | 39% | 24% | 14 h 20 min |
| May 9 | 68°F | 45°F | 39% | 24% | 14 h 20 min |
| May 10 | 69°F | 46°F | 39% | 24% | 14 h 30 min |
| May 11 | 69°F | 46°F | 39% | 24% | 14 h 30 min |
| May 12 | 69°F | 46°F | 40% | 24% | 14 h 30 min |
| May 13 | 69°F | 47°F | 40% | 24% | 14 h 30 min |
| May 14 | 70°F | 47°F | 40% | 25% | 14 h 30 min |
| May 15 | 70°F | 47°F | 40% | 25% | 14 h 40 min |
| May 16 | 70°F | 48°F | 40% | 25% | 14 h 40 min |
| May 17 | 70°F | 48°F | 40% | 25% | 14 h 40 min |
| May 18 | 71°F | 48°F | 40% | 25% | 14 h 40 min |
| May 19 | 71°F | 49°F | 40% | 25% | 14 h 40 min |
| May 20 | 71°F | 49°F | 40% | 25% | 14 h 50 min |
| May 21 | 71°F | 49°F | 40% | 25% | 14 h 50 min |
| May 22 | 72°F | 50°F | 40% | 25% | 14 h 50 min |
| May 23 | 72°F | 50°F | 41% | 25% | 14 h 50 min |
| May 24 | 72°F | 50°F | 41% | 25% | 14 h 50 min |
| May 25 | 72°F | 51°F | 41% | 25% | 15 h |
| May 26 | 73°F | 51°F | 41% | 25% | 15 h |
| May 27 | 73°F | 51°F | 41% | 25% | 15 h |
| May 28 | 73°F | 52°F | 41% | 26% | 15 h |
| May 29 | 74°F | 52°F | 41% | 26% | 15 h |
| May 30 | 74°F | 52°F | 41% | 26% | 15 h |
| May 31 | 74°F | 53°F | 41% | 26% | 15 h 10 min |
- Normal high
- 70°FMay average
- Normal low
- 48°FMay average
- Precipitation
- 3.38 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 1
- 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
- 68%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014710; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Manchester 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, 3.38 in falls on 12 days of a normal May, 1 of them with an inch or more.
In a normal May in Manchester, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014710.
How humid and windy is Manchester in May?
At 3 p.m. the normal temperature is 72°F with 44% relative humidity and a dew point of 49°F; at 6 a.m. it is 57°F with 79% humidity. The wind averages 6.7 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. | 57°F | 50°F | 79% | 4.5 mph | – |
| 9 a.m. | 65°F | 50°F | 59% | 7.2 mph | – |
| noon | 70°F | 49°F | 47% | 9.1 mph | – |
| 3 p.m. | 72°F | 49°F | 44% | 10.0 mph | – |
| 6 p.m. | 69°F | 50°F | 50% | 9.3 mph | – |
| 9 p.m. | 62°F | 51°F | 65% | 5.6 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014710. 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 Manchester?
The warmest May temperature on Manchester's official record (since 1885) is 97°F, on May 26, 2010; the coldest is 25°F, on May 18, 2002. The wettest May brought 12.25 in (2006).
The May mean against the 1991-2020 normal of 58.9°F: 2021 60.8°F (+1.9), 2022 62.6°F (+3.7), 2023 58.7°F (−0.2), 2024 62.4°F (+3.5), 2025 58.5°F (−0.4), 2026 58.0°F (−0.9). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.8°F | +1.9°F | 3.43 in |
| 2022 | 62.6°F | +3.7°F | 2.96 in |
| 2023 | 58.7°F | −0.2°F | 2.97 in |
| 2024 | 62.4°F | +3.5°F | 2.93 in |
| 2025 | 58.5°F | −0.4°F | 10.27 in |
| 2026 | 58.0°F | −0.9°F | 3.55 in |
Source: records: ACIS, NWS threaded record MHTthr; recent months: ACIS, station USW00014710. Records and recent months use complete months only.
How does May in Manchester 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; Manchester's is 70°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.