Wisconsin Dells weather in May: Wisconsin Dells, Wisconsin: normal highs, lows, rain and records for May
Wisconsin Dells in May has a normal high of 69°F and a normal low of 45°F, a daily mean of 57°F, rising from 64°F on the 1st to 75°F by the 31st. Measurable precipitation falls on 12 days in a normal May, 4.38 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 7°C, 111 mm of precipitation in May.
- NOAA stationWisconsin Dells
- Station IDUSC00479319
- Location43.61°N 89.77°W
- Elevation835 ft (255 m)
- Population3,157
- Jan 26° 8°
- Feb 31° 11°
- Mar 43° 22°
- Apr 57° 33°
- May 69° 45°
- Jun 79° 56°
- Jul 83° 60°
- Aug 81° 57°
- Sep 73° 49°
- Oct 60° 37°
- Nov 44° 26°
- Dec 32° 15°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Wisconsin Dells in May?
The normal high is 69°F and the normal low 45°F, for a daily mean of 57.3°F. May is 12.3°F warmer than April and 9.9°F cooler than June. May is the 5th warmest month of the year in Wisconsin Dells and the 2nd wettest. Across the month the normal high rises 11°F, from 64°F on May 1 to 75°F on May 31. From one year to the next May's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Mays in three average between 54°F and 60°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 | 64°F | 39°F | 39% | 27% |
| May 8 | 67°F | 42°F | 39% | 28% |
| May 15 | 69°F | 45°F | 38% | 27% |
| May 22 | 72°F | 48°F | 38% | 28% |
| May 31 | 75°F | 51°F | 38% | 28% |
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 | 64°F | 39°F | 39% | 27% | 14 h 10 min |
| May 2 | 64°F | 40°F | 39% | 27% | 14 h 10 min |
| May 3 | 65°F | 40°F | 39% | 27% | 14 h 10 min |
| May 4 | 65°F | 41°F | 39% | 27% | 14 h 10 min |
| May 5 | 65°F | 41°F | 39% | 27% | 14 h 20 min |
| May 6 | 66°F | 41°F | 39% | 27% | 14 h 20 min |
| May 7 | 66°F | 42°F | 39% | 27% | 14 h 20 min |
| May 8 | 67°F | 42°F | 39% | 28% | 14 h 20 min |
| May 9 | 67°F | 43°F | 39% | 28% | 14 h 30 min |
| May 10 | 67°F | 43°F | 39% | 28% | 14 h 30 min |
| May 11 | 68°F | 43°F | 39% | 28% | 14 h 30 min |
| May 12 | 68°F | 44°F | 39% | 28% | 14 h 30 min |
| May 13 | 68°F | 44°F | 39% | 28% | 14 h 40 min |
| May 14 | 69°F | 45°F | 39% | 28% | 14 h 40 min |
| May 15 | 69°F | 45°F | 38% | 27% | 14 h 40 min |
| May 16 | 70°F | 45°F | 38% | 28% | 14 h 40 min |
| May 17 | 70°F | 46°F | 38% | 28% | 14 h 40 min |
| May 18 | 70°F | 46°F | 38% | 28% | 14 h 50 min |
| May 19 | 71°F | 46°F | 38% | 28% | 14 h 50 min |
| May 20 | 71°F | 47°F | 38% | 28% | 14 h 50 min |
| May 21 | 71°F | 47°F | 38% | 28% | 14 h 50 min |
| May 22 | 72°F | 48°F | 38% | 28% | 14 h 50 min |
| May 23 | 72°F | 48°F | 38% | 28% | 15 h |
| May 24 | 72°F | 48°F | 38% | 28% | 15 h |
| May 25 | 73°F | 49°F | 38% | 28% | 15 h |
| May 26 | 73°F | 49°F | 38% | 28% | 15 h |
| May 27 | 73°F | 49°F | 38% | 28% | 15 h |
| May 28 | 74°F | 50°F | 38% | 28% | 15 h 10 min |
| May 29 | 74°F | 50°F | 38% | 28% | 15 h 10 min |
| May 30 | 74°F | 51°F | 38% | 28% | 15 h 10 min |
| May 31 | 75°F | 51°F | 38% | 28% | 15 h 10 min |
- Normal high
- 69°FMay average
- Normal low
- 45°FMay average
- Precipitation
- 4.38 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 3
- Daylight
- 14 h 10 min to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 16
- Days at 80°F or more
- 6
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00479319; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Wisconsin Dells in May?
On a given May day the chance of 0.01 inch or more is 38% on average, highest around May 8 (39%). In all, 4.38 in falls on 12 days of a normal May, 1 of them with an inch or more.
In a normal May in Wisconsin Dells, 1 days reach 90°F and 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00479319.
What are the records for May in Wisconsin Dells?
The warmest May temperature on this station's record (since 1922) is 104°F, on May 31, 1934; the coldest is 21°F, on May 4, 1935. The wettest May brought 12.66 in (2004); the snowiest, 2.0 inches (1947).
The May mean against the 1991-2020 normal of 57.3°F: 2021 55.8°F (−1.5), 2022 59.0°F (+1.7), 2023 57.7°F (+0.4), 2024 58.7°F (+1.4), 2025 54.6°F (−2.7), 2026 56.5°F (−0.8). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 55.8°F | −1.5°F | 4.06 in |
| 2022 | 59.0°F | +1.7°F | 4.18 in |
| 2023 | 57.7°F | +0.4°F | 1.58 in |
| 2024 | 58.7°F | +1.4°F | 7.49 in |
| 2025 | 54.6°F | −2.7°F | 3.11 in |
| 2026 | 56.5°F | −0.8°F | 1.40 in |
Source: records: ACIS, station USC00479319; recent months: ACIS, station USC00479319. Records and recent months use complete months only.
How does May in Wisconsin Dells compare across Wisconsin?
Across the 165 places PlainClimate covers in Wisconsin, May normal highs run from 57°F in Superior to 73°F in Mondovi; Wisconsin Dells's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Wisconsin Dells in April57°F by day, 33°F at night
- Wisconsin Dells in June79°F by day, 56°F at night
- Wisconsin Dells through the yearEvery month, frost dates, records and recent years
- Wisconsin in MayThe statewide normal and the warmest and coolest places
- Mondovi: Wisconsin's warmest Maynormal high 73°F