Dearborn weather in May: Dearborn, Michigan: normal highs, lows, rain and records for May
Dearborn in May has a normal high of 70°F and a normal low of 48°F, a daily mean of 59°F, rising from 65°F on the 1st to 75°F by the 31st. Measurable precipitation falls on 12 days in a normal May, 3.60 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 9°C, 91 mm of precipitation in May.
- NOAA stationDearborn
- Station IDUSC00202015
- Location42.32°N 83.24°W
- Elevation605 ft (184 m)
- From the center1 miles
- Population106,377
- Jan 32° 18°
- Feb 35° 19°
- Mar 45° 26°
- Apr 58° 37°
- May 70° 48°
- Jun 79° 58°
- Jul 84° 62°
- Aug 82° 61°
- Sep 75° 53°
- Oct 62° 42°
- Nov 48° 32°
- Dec 37° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Dearborn in May?
The normal high is 70°F and the normal low 48°F, for a daily mean of 58.8°F. May is 11.2°F warmer than April and 9.7°F cooler than June. May is the 5th warmest month of the year in Dearborn and the wettest. Across the month the normal high rises 10°F, from 65°F on May 1 to 75°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 56°F and 62°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 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 65°F | 43°F | 40% | 25% |
| May 8 | 67°F | 45°F | 39% | 24% |
| May 15 | 70°F | 47°F | 38% | 24% |
| May 22 | 72°F | 50°F | 37% | 24% |
| May 31 | 75°F | 53°F | 36% | 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 | 65°F | 43°F | 40% | 25% | 14 h |
| May 2 | 65°F | 43°F | 40% | 25% | 14 h |
| May 3 | 66°F | 43°F | 40% | 24% | 14 h 10 min |
| May 4 | 66°F | 44°F | 40% | 24% | 14 h 10 min |
| May 5 | 66°F | 44°F | 40% | 24% | 14 h 10 min |
| May 6 | 67°F | 44°F | 39% | 24% | 14 h 10 min |
| May 7 | 67°F | 45°F | 39% | 24% | 14 h 20 min |
| May 8 | 67°F | 45°F | 39% | 24% | 14 h 20 min |
| May 9 | 68°F | 45°F | 39% | 24% | 14 h 20 min |
| May 10 | 68°F | 45°F | 39% | 24% | 14 h 20 min |
| May 11 | 68°F | 46°F | 39% | 24% | 14 h 20 min |
| May 12 | 69°F | 46°F | 39% | 24% | 14 h 30 min |
| May 13 | 69°F | 46°F | 39% | 24% | 14 h 30 min |
| May 14 | 69°F | 47°F | 39% | 24% | 14 h 30 min |
| May 15 | 70°F | 47°F | 38% | 24% | 14 h 30 min |
| May 16 | 70°F | 47°F | 38% | 24% | 14 h 40 min |
| May 17 | 70°F | 48°F | 38% | 24% | 14 h 40 min |
| May 18 | 71°F | 48°F | 38% | 24% | 14 h 40 min |
| May 19 | 71°F | 49°F | 38% | 24% | 14 h 40 min |
| May 20 | 71°F | 49°F | 38% | 24% | 14 h 40 min |
| May 21 | 72°F | 49°F | 37% | 24% | 14 h 50 min |
| May 22 | 72°F | 50°F | 37% | 24% | 14 h 50 min |
| May 23 | 72°F | 50°F | 37% | 24% | 14 h 50 min |
| May 24 | 73°F | 50°F | 37% | 24% | 14 h 50 min |
| May 25 | 73°F | 51°F | 37% | 24% | 14 h 50 min |
| May 26 | 73°F | 51°F | 37% | 24% | 14 h 50 min |
| May 27 | 74°F | 51°F | 37% | 24% | 15 h |
| May 28 | 74°F | 52°F | 37% | 24% | 15 h |
| May 29 | 74°F | 52°F | 37% | 24% | 15 h |
| May 30 | 75°F | 52°F | 36% | 24% | 15 h |
| May 31 | 75°F | 53°F | 36% | 24% | 15 h |
- Normal high
- 70°FMay average
- Normal low
- 48°FMay average
- Precipitation
- 3.60 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 1
- Daylight
- 14 h to 15 hMay 1 to May 31
- Days at 70°F or more
- 18
- Days at 80°F or more
- 7
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00202015; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Dearborn in May?
On a given May day the chance of 0.01 inch or more is 38% on average, highest around May 1 (40%). In all, 3.60 in falls on 12 days of a normal May, 1 of them with an inch or more.
In a normal May in Dearborn, 1 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00202015.
What are the records for May in Dearborn?
The warmest May temperature on this station's record (since 1952) is 95°F, on May 29, 2006; the coldest is 23°F, on May 1, 1978. The wettest May brought 8.09 in (2004).
The May mean against the 1991-2020 normal of 58.8°F: 2022 62.5°F (+3.7), 2023 58.4°F (−0.4), 2024 64.2°F (+5.4), 2025 57.8°F (−1.0), 2026 58.2°F (−0.6). 2 of 5 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 62.5°F | +3.7°F | 3.94 in |
| 2023 | 58.4°F | −0.4°F | 1.11 in |
| 2024 | 64.2°F | +5.4°F | 2.86 in |
| 2025 | 57.8°F | −1.0°F | 3.41 in |
| 2026 | 58.2°F | −0.6°F | 2.06 in |
Source: records: ACIS, station USC00202015; recent months: ACIS, station USC00202015. Records and recent months use complete months only.
How does May in Dearborn 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; Dearborn's is 70°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.