Hanover weather in May: Hanover, Pennsylvania: normal highs, lows, rain and records for May
Hanover in May has a normal high of 72°F and a normal low of 50°F, a daily mean of 61°F, rising from 69°F on the 1st to 76°F by the 31st. Measurable precipitation falls on 14 days in a normal May, 3.88 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 22°C and low of 10°C, 99 mm of precipitation in May.
- NOAA stationHanover (4 mi SW)
- Station IDUSC00363665
- Location39.77°N 77.03°W
- Elevation558 ft (170 m)
- From the center4 miles
- Population16,728
- Jan 39° 21°
- Feb 42° 23°
- Mar 50° 30°
- Apr 63° 40°
- May 72° 50°
- Jun 81° 60°
- Jul 85° 64°
- Aug 84° 62°
- Sep 77° 54°
- Oct 66° 43°
- Nov 54° 33°
- Dec 44° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Hanover in May?
The normal high is 72°F and the normal low 50°F, for a daily mean of 61.2°F. May is 9.9°F warmer than April and 9.1°F cooler than June. May is the 5th warmest month of the year in Hanover and the 3rd wettest. Across the month the normal high rises 7°F, from 69°F on May 1 to 76°F on May 31. From one year to the next May's mean temperature typically moves about 3.4°F either way (NOAA's standard deviation), so roughly two Mays in three average between 58°F and 65°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 44%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 69°F | 45°F | 43% | 26% |
| May 8 | 70°F | 48°F | 43% | 26% |
| May 15 | 72°F | 50°F | 44% | 27% |
| May 22 | 74°F | 52°F | 43% | 27% |
| May 31 | 76°F | 55°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 | 69°F | 45°F | 43% | 26% | 13 h 50 min |
| May 2 | 69°F | 46°F | 43% | 26% | 13 h 50 min |
| May 3 | 69°F | 46°F | 43% | 26% | 14 h |
| May 4 | 69°F | 46°F | 43% | 26% | 14 h |
| May 5 | 70°F | 47°F | 43% | 26% | 14 h |
| May 6 | 70°F | 47°F | 43% | 26% | 14 h |
| May 7 | 70°F | 47°F | 43% | 26% | 14 h |
| May 8 | 70°F | 48°F | 43% | 26% | 14 h 10 min |
| May 9 | 71°F | 48°F | 43% | 26% | 14 h 10 min |
| May 10 | 71°F | 48°F | 43% | 27% | 14 h 10 min |
| May 11 | 71°F | 49°F | 43% | 27% | 14 h 10 min |
| May 12 | 71°F | 49°F | 43% | 27% | 14 h 10 min |
| May 13 | 72°F | 49°F | 44% | 27% | 14 h 20 min |
| May 14 | 72°F | 50°F | 44% | 27% | 14 h 20 min |
| May 15 | 72°F | 50°F | 44% | 27% | 14 h 20 min |
| May 16 | 72°F | 50°F | 44% | 27% | 14 h 20 min |
| May 17 | 73°F | 50°F | 44% | 27% | 14 h 20 min |
| May 18 | 73°F | 51°F | 43% | 27% | 14 h 30 min |
| May 19 | 73°F | 51°F | 43% | 27% | 14 h 30 min |
| May 20 | 73°F | 51°F | 43% | 27% | 14 h 30 min |
| May 21 | 74°F | 52°F | 43% | 27% | 14 h 30 min |
| May 22 | 74°F | 52°F | 43% | 27% | 14 h 30 min |
| May 23 | 74°F | 52°F | 43% | 27% | 14 h 30 min |
| May 24 | 74°F | 53°F | 43% | 27% | 14 h 40 min |
| May 25 | 75°F | 53°F | 42% | 26% | 14 h 40 min |
| May 26 | 75°F | 53°F | 42% | 26% | 14 h 40 min |
| May 27 | 75°F | 54°F | 42% | 26% | 14 h 40 min |
| May 28 | 75°F | 54°F | 42% | 26% | 14 h 40 min |
| May 29 | 76°F | 54°F | 42% | 26% | 14 h 40 min |
| May 30 | 76°F | 55°F | 42% | 26% | 14 h 40 min |
| May 31 | 76°F | 55°F | 41% | 26% | 14 h 50 min |
- Normal high
- 72°FMay average
- Normal low
- 50°FMay average
- Precipitation
- 3.88 inmonth total
- Days with precipitation
- 140.01 inch or more
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 1
- Daylight
- 13 h 50 min to 14 h 50 minMay 1 to May 31
- Days at 70°F or more
- 19
- Days at 80°F or more
- 8
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00363665; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Hanover in May?
On a given May day the chance of 0.01 inch or more is 43% on average, highest around May 13 (44%). In all, 3.88 in falls on 14 days of a normal May, 1 of them with an inch or more.
In a normal May in Hanover, 1 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00363665.
What are the records for May in Hanover?
The warmest May temperature on this station's record (since 1993) is 93°F, on May 21, 1996; the coldest is 27°F, on May 14, 1996. The wettest May brought 6.55 in (2016).
The May mean against the 1991-2020 normal of 61.2°F: 2021 60.8°F (−0.4). 0 of 1 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.8°F | −0.4°F | 3.49 in |
Source: records: ACIS, station USC00363665; recent months: ACIS, station USC00363665. Records and recent months use complete months only.
How does May in Hanover compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, May normal highs run from 65°F in Laporte to 75°F in Phoenixville; Hanover's is 72°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.