Alpena weather in May: Alpena, Michigan: normal highs, lows, rain and records for May
Alpena in May has a normal high of 66°F and a normal low of 41°F, a daily mean of 53°F, rising from 59°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 12 days in a normal May, 2.78 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 5°C, 71 mm of precipitation and 1 cm of snow in May.
- NOAA stationAlpena County Regional Airport
- Station IDUSW00094849
- Location45.07°N 83.56°W
- Elevation684 ft (209 m)
- Population10,116
- Jan 28° 12°
- Feb 30° 11°
- Mar 39° 19°
- Apr 52° 30°
- May 66° 41°
- Jun 76° 50°
- Jul 81° 56°
- Aug 79° 55°
- Sep 71° 47°
- Oct 58° 37°
- Nov 45° 29°
- Dec 34° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Alpena in May?
The normal high is 66°F and the normal low 41°F, for a daily mean of 53.4°F. May is 12.2°F warmer than April and 9.8°F cooler than June. May is the 5th warmest month of the year in Alpena and the 6th wettest. Across the month the normal high rises 13°F, from 59°F on May 1 to 72°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 50°F and 57°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 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 59°F | 36°F | 38% | 21% |
| May 8 | 63°F | 38°F | 37% | 21% |
| May 15 | 66°F | 41°F | 37% | 21% |
| May 22 | 68°F | 43°F | 36% | 22% |
| May 31 | 72°F | 46°F | 35% | 22% |
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 | 59°F | 36°F | 38% | 21% | 14 h 10 min |
| May 2 | 60°F | 36°F | 38% | 21% | 14 h 20 min |
| May 3 | 60°F | 36°F | 38% | 21% | 14 h 20 min |
| May 4 | 61°F | 37°F | 37% | 21% | 14 h 20 min |
| May 5 | 61°F | 37°F | 37% | 21% | 14 h 20 min |
| May 6 | 62°F | 38°F | 37% | 21% | 14 h 30 min |
| May 7 | 62°F | 38°F | 37% | 21% | 14 h 30 min |
| May 8 | 63°F | 38°F | 37% | 21% | 14 h 30 min |
| May 9 | 63°F | 39°F | 37% | 21% | 14 h 30 min |
| May 10 | 64°F | 39°F | 37% | 21% | 14 h 40 min |
| May 11 | 64°F | 39°F | 37% | 21% | 14 h 40 min |
| May 12 | 64°F | 40°F | 37% | 21% | 14 h 40 min |
| May 13 | 65°F | 40°F | 37% | 21% | 14 h 40 min |
| May 14 | 65°F | 40°F | 37% | 21% | 14 h 50 min |
| May 15 | 66°F | 41°F | 37% | 21% | 14 h 50 min |
| May 16 | 66°F | 41°F | 37% | 21% | 14 h 50 min |
| May 17 | 66°F | 41°F | 37% | 21% | 14 h 50 min |
| May 18 | 67°F | 42°F | 37% | 21% | 15 h |
| May 19 | 67°F | 42°F | 37% | 22% | 15 h |
| May 20 | 68°F | 42°F | 36% | 22% | 15 h |
| May 21 | 68°F | 43°F | 36% | 22% | 15 h |
| May 22 | 68°F | 43°F | 36% | 22% | 15 h |
| May 23 | 69°F | 43°F | 36% | 22% | 15 h 10 min |
| May 24 | 69°F | 44°F | 36% | 22% | 15 h 10 min |
| May 25 | 69°F | 44°F | 36% | 22% | 15 h 10 min |
| May 26 | 70°F | 44°F | 36% | 22% | 15 h 10 min |
| May 27 | 70°F | 45°F | 36% | 22% | 15 h 10 min |
| May 28 | 71°F | 45°F | 36% | 22% | 15 h 20 min |
| May 29 | 71°F | 45°F | 36% | 22% | 15 h 20 min |
| May 30 | 71°F | 46°F | 35% | 22% | 15 h 20 min |
| May 31 | 72°F | 46°F | 35% | 22% | 15 h 20 min |
- Normal high
- 66°FMay average
- Normal low
- 41°FMay average
- Precipitation
- 2.78 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 0.2 inmonth total
- Nights at 32°F or colder
- 5
- Daylight
- 14 h 10 min to 15 h 20 minMay 1 to May 31
- Days at 70°F or more
- 11
- Days at 80°F or more
- 4
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094849; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Alpena in May?
On a given May day the chance of 0.01 inch or more is 37% on average, highest around May 1 (38%). In all, 2.78 in falls on 12 days of a normal May.
In a normal May in Alpena, 5 nights fall to freezing and snowfall averages 0.2 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094849.
How humid and windy is Alpena in May?
At 3 p.m. the normal temperature is 67°F with 49% relative humidity and a dew point of 48°F; at 6 a.m. it is 50°F with 87% humidity. The wind averages 6.9 mph, most often from the east-northeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 50°F | 47°F | 87% | 4.2 mph | 62% |
| 9 a.m. | 61°F | 48°F | 63% | 8.0 mph | 61% |
| noon | 67°F | 48°F | 51% | 10.1 mph | 54% |
| 3 p.m. | 67°F | 48°F | 49% | 11.2 mph | 56% |
| 6 p.m. | 65°F | 47°F | 53% | 9.2 mph | 62% |
| 9 p.m. | 57°F | 48°F | 73% | 4.4 mph | 64% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094849. 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 Alpena?
The warmest May temperature on Alpena's official record (since 1916) is 94°F, on May 30, 1937; the coldest is 20°F, on May 7, 1966. The wettest May brought 8.29 in (1983); the snowiest, 8.9 inches (1929).
The May mean against the 1991-2020 normal of 53.4°F: 2021 53.1°F (−0.3), 2022 56.8°F (+3.4), 2023 53.1°F (−0.3), 2024 56.7°F (+3.3), 2025 52.4°F (−1.0), 2026 51.1°F (−2.3). 2 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 53.1°F | −0.3°F | 3.39 in |
| 2022 | 56.8°F | +3.4°F | 3.68 in |
| 2023 | 53.1°F | −0.3°F | 0.92 in |
| 2024 | 56.7°F | +3.3°F | 2.25 in |
| 2025 | 52.4°F | −1.0°F | 2.14 in |
| 2026 | 51.1°F | −2.3°F | 3.43 in |
Source: records: ACIS, NWS threaded record APNthr; recent months: ACIS, station USW00094849. Records and recent months use complete months only.
How does May in Alpena 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; Alpena's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.