Hagerstown weather in May: Hagerstown, Maryland: normal highs, lows, rain and records for May
Hagerstown in May has a normal high of 74°F and a normal low of 55°F, a daily mean of 64°F, rising from 71°F on the 1st to 78°F by the 31st. Measurable precipitation falls on 14 days in a normal May, 3.55 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 13°C, 90 mm of precipitation in May.
- NOAA stationHagerstown Regional Airport
- Station IDUSW00093706
- Location39.71°N 77.73°W
- Elevation698 ft (213 m)
- From the center5 miles
- Population43,909
- Jan 41° 25°
- Feb 44° 27°
- Mar 53° 34°
- Apr 65° 44°
- May 74° 55°
- Jun 83° 64°
- Jul 87° 68°
- Aug 85° 66°
- Sep 78° 59°
- Oct 66° 47°
- Nov 54° 37°
- Dec 44° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Hagerstown in May?
The normal high is 74°F and the normal low 55°F, for a daily mean of 64.4°F. May is 9.8°F warmer than April and 8.7°F cooler than June. May is the 5th warmest month of the year in Hagerstown and the 2nd wettest. Across the month the normal high rises 7°F, from 71°F on May 1 to 78°F on May 31. From one year to the next May's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Mays in three average between 61°F and 68°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 45%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 71°F | 50°F | 43% | 25% |
| May 8 | 73°F | 52°F | 44% | 26% |
| May 15 | 74°F | 54°F | 45% | 26% |
| May 22 | 76°F | 56°F | 45% | 26% |
| May 31 | 78°F | 59°F | 43% | 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 | 71°F | 50°F | 43% | 25% | 13 h 50 min |
| May 2 | 71°F | 50°F | 43% | 25% | 13 h 50 min |
| May 3 | 71°F | 50°F | 43% | 25% | 14 h |
| May 4 | 71°F | 51°F | 43% | 25% | 14 h |
| May 5 | 72°F | 51°F | 43% | 25% | 14 h |
| May 6 | 72°F | 51°F | 44% | 25% | 14 h |
| May 7 | 72°F | 52°F | 44% | 25% | 14 h |
| May 8 | 73°F | 52°F | 44% | 26% | 14 h 10 min |
| May 9 | 73°F | 52°F | 44% | 26% | 14 h 10 min |
| May 10 | 73°F | 53°F | 45% | 26% | 14 h 10 min |
| May 11 | 73°F | 53°F | 45% | 26% | 14 h 10 min |
| May 12 | 74°F | 53°F | 45% | 26% | 14 h 10 min |
| May 13 | 74°F | 54°F | 45% | 26% | 14 h 20 min |
| May 14 | 74°F | 54°F | 45% | 26% | 14 h 20 min |
| May 15 | 74°F | 54°F | 45% | 26% | 14 h 20 min |
| May 16 | 74°F | 55°F | 45% | 26% | 14 h 20 min |
| May 17 | 75°F | 55°F | 45% | 26% | 14 h 20 min |
| May 18 | 75°F | 55°F | 45% | 26% | 14 h 30 min |
| May 19 | 75°F | 55°F | 45% | 26% | 14 h 30 min |
| May 20 | 75°F | 56°F | 45% | 26% | 14 h 30 min |
| May 21 | 76°F | 56°F | 45% | 26% | 14 h 30 min |
| May 22 | 76°F | 56°F | 45% | 26% | 14 h 30 min |
| May 23 | 76°F | 57°F | 44% | 26% | 14 h 30 min |
| May 24 | 76°F | 57°F | 44% | 26% | 14 h 40 min |
| May 25 | 77°F | 57°F | 44% | 26% | 14 h 40 min |
| May 26 | 77°F | 58°F | 44% | 26% | 14 h 40 min |
| May 27 | 77°F | 58°F | 44% | 26% | 14 h 40 min |
| May 28 | 77°F | 58°F | 44% | 26% | 14 h 40 min |
| May 29 | 78°F | 59°F | 44% | 26% | 14 h 40 min |
| May 30 | 78°F | 59°F | 43% | 26% | 14 h 40 min |
| May 31 | 78°F | 59°F | 43% | 26% | 14 h 50 min |
- Normal high
- 74°FMay average
- Normal low
- 55°FMay average
- Precipitation
- 3.55 inmonth total
- Days with precipitation
- 140.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 50 min to 14 h 50 minMay 1 to May 31
- Days at 70°F or more
- 21
- Days at 80°F or more
- 10
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093706; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Hagerstown in May?
On a given May day the chance of 0.01 inch or more is 44% on average, highest around May 15 (45%). In all, 3.55 in falls on 14 days of a normal May, 1 of them with an inch or more.
In a normal May in Hagerstown, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093706.
What are the records for May in Hagerstown?
The warmest May temperature on Hagerstown's official record (since 1899) is 97°F, on May 20, 1996; the coldest is 23°F, on May 10, 1947. The wettest May brought 8.09 in (1989).
The May mean against the 1991-2020 normal of 64.4°F: 2021 62.7°F (−1.7), 2022 65.1°F (+0.7), 2023 61.6°F (−2.8), 2024 66.8°F (+2.4), 2025 63.8°F (−0.6), 2026 63.0°F (−1.4). 2 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.7°F | −1.7°F | 2.88 in |
| 2022 | 65.1°F | +0.7°F | 5.63 in |
| 2023 | 61.6°F | −2.8°F | 0.87 in |
| 2024 | 66.8°F | +2.4°F | 2.46 in |
| 2025 | 63.8°F | −0.6°F | 7.36 in |
| 2026 | 63.0°F | −1.4°F | 3.82 in |
Source: records: ACIS, NWS threaded record HGRthr; recent months: ACIS, station USW00093706. Records and recent months use complete months only.
How does May in Hagerstown compare across Maryland?
Across the 26 places PlainClimate covers in Maryland, May normal highs run from 68°F in Frostburg to 78°F in Snow Hill; Hagerstown's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.