Muskegon weather in May: Muskegon, Michigan: normal highs, lows, rain and records for May
Muskegon in May has a normal high of 68°F and a normal low of 48°F, a daily mean of 58°F, rising from 63°F on the 1st to 74°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 3.38 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 9°C, 86 mm of precipitation in May.
- NOAA stationMuskegon County Airport
- Station IDUSW00014840
- Location43.17°N 86.24°W
- Elevation625 ft (191 m)
- From the center4 miles
- Population37,287
- Jan 33° 21°
- Feb 35° 21°
- Mar 44° 27°
- Apr 57° 37°
- May 68° 48°
- Jun 78° 57°
- Jul 82° 62°
- Aug 80° 61°
- Sep 73° 54°
- Oct 61° 43°
- Nov 48° 34°
- Dec 37° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Muskegon in May?
The normal high is 68°F and the normal low 48°F, for a daily mean of 57.9°F. May is 11.1°F warmer than April and 9.5°F cooler than June. May is the 5th warmest month of the year in Muskegon and the 3rd wettest. Across the month the normal high rises 11°F, from 63°F on May 1 to 74°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 55°F and 61°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 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 63°F | 42°F | 39% | 24% |
| May 8 | 66°F | 45°F | 38% | 23% |
| May 15 | 68°F | 47°F | 37% | 22% |
| May 22 | 71°F | 50°F | 37% | 21% |
| May 31 | 74°F | 53°F | 36% | 20% |
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 | 63°F | 42°F | 39% | 24% | 14 h |
| May 2 | 63°F | 43°F | 38% | 24% | 14 h 10 min |
| May 3 | 64°F | 43°F | 38% | 24% | 14 h 10 min |
| May 4 | 64°F | 44°F | 38% | 24% | 14 h 10 min |
| May 5 | 65°F | 44°F | 38% | 24% | 14 h 10 min |
| May 6 | 65°F | 44°F | 38% | 23% | 14 h 20 min |
| May 7 | 65°F | 45°F | 38% | 23% | 14 h 20 min |
| May 8 | 66°F | 45°F | 38% | 23% | 14 h 20 min |
| May 9 | 66°F | 45°F | 38% | 23% | 14 h 20 min |
| May 10 | 66°F | 46°F | 38% | 23% | 14 h 30 min |
| May 11 | 67°F | 46°F | 38% | 23% | 14 h 30 min |
| May 12 | 67°F | 46°F | 38% | 23% | 14 h 30 min |
| May 13 | 67°F | 47°F | 38% | 23% | 14 h 30 min |
| May 14 | 68°F | 47°F | 37% | 23% | 14 h 40 min |
| May 15 | 68°F | 47°F | 37% | 22% | 14 h 40 min |
| May 16 | 69°F | 48°F | 37% | 22% | 14 h 40 min |
| May 17 | 69°F | 48°F | 37% | 22% | 14 h 40 min |
| May 18 | 69°F | 48°F | 37% | 22% | 14 h 40 min |
| May 19 | 70°F | 49°F | 37% | 22% | 14 h 50 min |
| May 20 | 70°F | 49°F | 37% | 22% | 14 h 50 min |
| May 21 | 70°F | 49°F | 37% | 22% | 14 h 50 min |
| May 22 | 71°F | 50°F | 37% | 21% | 14 h 50 min |
| May 23 | 71°F | 50°F | 37% | 21% | 14 h 50 min |
| May 24 | 71°F | 50°F | 37% | 21% | 15 h |
| May 25 | 72°F | 51°F | 37% | 21% | 15 h |
| May 26 | 72°F | 51°F | 36% | 21% | 15 h |
| May 27 | 72°F | 51°F | 36% | 21% | 15 h |
| May 28 | 73°F | 52°F | 36% | 21% | 15 h |
| May 29 | 73°F | 52°F | 36% | 21% | 15 h |
| May 30 | 73°F | 52°F | 36% | 21% | 15 h 10 min |
| May 31 | 74°F | 53°F | 36% | 20% | 15 h 10 min |
- Normal high
- 68°FMay average
- Normal low
- 48°FMay average
- Precipitation
- 3.38 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 1
- Daylight
- 14 h to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 13
- Days at 80°F or more
- 4
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014840; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Muskegon in May?
On a given May day the chance of 0.01 inch or more is 37% on average, highest around May 1 (39%). In all, 3.38 in falls on 11 days of a normal May, 1 of them with an inch or more.
In a normal May in Muskegon, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014840.
How humid and windy is Muskegon in May?
At 3 p.m. the normal temperature is 69°F with 53% relative humidity and a dew point of 51°F; at 6 a.m. it is 55°F with 83% humidity. The wind averages 8.3 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 55°F | 50°F | 83% | 6.4 mph | 54% |
| 9 a.m. | 63°F | 51°F | 65% | 9.2 mph | 55% |
| noon | 68°F | 51°F | 56% | 11.2 mph | 52% |
| 3 p.m. | 69°F | 51°F | 53% | 11.5 mph | 49% |
| 6 p.m. | 68°F | 51°F | 54% | 9.4 mph | 53% |
| 9 p.m. | 61°F | 51°F | 68% | 6.0 mph | 57% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014840. 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 Muskegon?
The warmest May temperature on Muskegon's official record (since 1896) is 96°F, on May 29, 2018; the coldest is 22°F, on May 10, 1947. The wettest May brought 9.59 in (2004); the snowiest, 5.0 inches (1923).
The May mean against the 1991-2020 normal of 57.9°F: 2021 56.4°F (−1.5), 2022 61.9°F (+4.0), 2023 59.6°F (+1.7), 2024 62.5°F (+4.6), 2025 55.2°F (−2.7), 2026 55.4°F (−2.5). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.4°F | −1.5°F | 2.05 in |
| 2022 | 61.9°F | +4.0°F | 1.80 in |
| 2023 | 59.6°F | +1.7°F | 0.86 in |
| 2024 | 62.5°F | +4.6°F | 2.28 in |
| 2025 | 55.2°F | −2.7°F | 3.49 in |
| 2026 | 55.4°F | −2.5°F | 1.79 in |
Source: records: ACIS, NWS threaded record MKGthr; recent months: ACIS, station USW00014840. Records and recent months use complete months only.
How does May in Muskegon compare across Michigan?
Across the 140 places PlainClimate covers in Michigan, May normal highs run from 57°F in Harrisville to 73°F in Eau Claire; Muskegon's is 68°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.