York weather in May: York, Pennsylvania: normal highs, lows, rain and records for May
York in May has a normal high of 73°F and a normal low of 50°F, a daily mean of 61°F, rising from 69°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 14 days in a normal May, 4.17 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 10°C, 106 mm of precipitation in May.
- NOAA stationYork Airport
- Station IDUSW00093778
- Location39.92°N 76.87°W
- Elevation486 ft (148 m)
- From the center8 miles
- Population45,241
- Jan 39° 21°
- Feb 42° 22°
- Mar 51° 29°
- Apr 63° 39°
- May 73° 50°
- Jun 81° 59°
- Jul 85° 63°
- Aug 84° 61°
- Sep 77° 54°
- Oct 66° 42°
- Nov 54° 33°
- Dec 44° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is York in May?
The normal high is 73°F and the normal low 50°F, for a daily mean of 61.1°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 York and the 3rd wettest. Across the month the normal high rises 8°F, from 69°F on May 1 to 77°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 47%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 69°F | 44°F | 44% | 26% |
| May 8 | 71°F | 47°F | 46% | 27% |
| May 15 | 72°F | 49°F | 47% | 27% |
| May 22 | 74°F | 52°F | 47% | 26% |
| May 31 | 77°F | 55°F | 46% | 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 | 69°F | 44°F | 44% | 26% | 13 h 50 min |
| May 2 | 69°F | 45°F | 45% | 26% | 13 h 50 min |
| May 3 | 69°F | 45°F | 45% | 26% | 14 h |
| May 4 | 69°F | 45°F | 45% | 26% | 14 h |
| May 5 | 70°F | 46°F | 45% | 26% | 14 h |
| May 6 | 70°F | 46°F | 45% | 26% | 14 h |
| May 7 | 70°F | 46°F | 45% | 26% | 14 h |
| May 8 | 71°F | 47°F | 46% | 27% | 14 h 10 min |
| May 9 | 71°F | 47°F | 46% | 27% | 14 h 10 min |
| May 10 | 71°F | 47°F | 46% | 27% | 14 h 10 min |
| May 11 | 71°F | 48°F | 46% | 27% | 14 h 10 min |
| May 12 | 72°F | 48°F | 46% | 27% | 14 h 20 min |
| May 13 | 72°F | 49°F | 46% | 27% | 14 h 20 min |
| May 14 | 72°F | 49°F | 47% | 27% | 14 h 20 min |
| May 15 | 72°F | 49°F | 47% | 27% | 14 h 20 min |
| May 16 | 73°F | 50°F | 47% | 26% | 14 h 20 min |
| May 17 | 73°F | 50°F | 47% | 26% | 14 h 20 min |
| May 18 | 73°F | 50°F | 47% | 26% | 14 h 30 min |
| May 19 | 73°F | 51°F | 47% | 26% | 14 h 30 min |
| May 20 | 74°F | 51°F | 47% | 26% | 14 h 30 min |
| May 21 | 74°F | 52°F | 47% | 26% | 14 h 30 min |
| May 22 | 74°F | 52°F | 47% | 26% | 14 h 30 min |
| May 23 | 74°F | 52°F | 47% | 25% | 14 h 40 min |
| May 24 | 75°F | 53°F | 46% | 25% | 14 h 40 min |
| May 25 | 75°F | 53°F | 46% | 25% | 14 h 40 min |
| May 26 | 75°F | 53°F | 46% | 25% | 14 h 40 min |
| May 27 | 76°F | 54°F | 46% | 25% | 14 h 40 min |
| May 28 | 76°F | 54°F | 46% | 25% | 14 h 40 min |
| May 29 | 76°F | 54°F | 46% | 25% | 14 h 40 min |
| May 30 | 76°F | 55°F | 46% | 24% | 14 h 50 min |
| May 31 | 77°F | 55°F | 46% | 24% | 14 h 50 min |
- Normal high
- 73°FMay average
- Normal low
- 50°FMay average
- Precipitation
- 4.17 inmonth total
- Days with precipitation
- 140.01 inch or more
- 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
- 20
- Days at 80°F or more
- 9
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093778; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in York in May?
On a given May day the chance of 0.01 inch or more is 46% on average, highest around May 17 (47%). In all, 4.17 in falls on 14 days of a normal May, 1 of them with an inch or more.
In a normal May in York, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093778.
What are the records for May in York?
The warmest May temperature on this station's record (since 1997) is 93°F, on May 30, 2006; the coldest is 28°F, on May 4, 2002. The wettest May brought 8.49 in (2025).
The May mean against the 1991-2020 normal of 61.1°F: 2021 60.1°F (−1.0), 2022 63.6°F (+2.5), 2023 58.6°F (−2.5), 2024 64.7°F (+3.6), 2025 62.7°F (+1.6), 2026 60.4°F (−0.8). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.1°F | −1.0°F | 3.28 in |
| 2022 | 63.6°F | +2.5°F | 5.59 in |
| 2023 | 58.6°F | −2.5°F | 0.39 in |
| 2024 | 64.7°F | +3.6°F | 3.01 in |
| 2025 | 62.7°F | +1.6°F | 8.49 in |
| 2026 | 60.4°F | −0.8°F | 3.75 in |
Source: records: ACIS, station USW00093778; recent months: ACIS, station USW00093778. Records and recent months use complete months only.
How does May in York 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; York's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.