Beaver Dam weather in May: Beaver Dam, Wisconsin: normal highs, lows, rain and records for May
Beaver Dam in May has a normal high of 67°F and a normal low of 46°F, a daily mean of 56°F, rising from 61°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 12 days in a normal May, 4.05 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 8°C, 103 mm of precipitation and 0 cm of snow in May.
- NOAA stationBeaver Dam Wastewater Treatment Plant
- Station IDUSC00470645
- Location43.44°N 88.85°W
- Elevation861 ft (262 m)
- From the center2 miles
- Population16,443
- Jan 25° 9°
- Feb 29° 11°
- Mar 41° 23°
- Apr 54° 34°
- May 67° 46°
- Jun 77° 56°
- Jul 80° 60°
- Aug 78° 58°
- Sep 72° 50°
- Oct 58° 38°
- Nov 43° 26°
- Dec 30° 15°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Beaver Dam in May?
The normal high is 67°F and the normal low 46°F, for a daily mean of 56.1°F. May is 12.0°F warmer than April and 10.1°F cooler than June. May is the 5th warmest month of the year in Beaver Dam and the 4th wettest. Across the month the normal high rises 11°F, from 61°F on May 1 to 72°F on May 31. From one year to the next May's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Mays in three average between 53°F and 59°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 | 61°F | 40°F | 38% | 25% |
| May 8 | 64°F | 43°F | 38% | 25% |
| May 15 | 66°F | 45°F | 38% | 25% |
| May 22 | 69°F | 48°F | 38% | 25% |
| May 31 | 72°F | 51°F | 37% | 25% |
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 | 61°F | 40°F | 38% | 25% | 14 h 10 min |
| May 2 | 61°F | 40°F | 38% | 25% | 14 h 10 min |
| May 3 | 62°F | 41°F | 38% | 25% | 14 h 10 min |
| May 4 | 62°F | 41°F | 38% | 25% | 14 h 10 min |
| May 5 | 62°F | 41°F | 38% | 25% | 14 h 20 min |
| May 6 | 63°F | 42°F | 38% | 25% | 14 h 20 min |
| May 7 | 63°F | 42°F | 38% | 25% | 14 h 20 min |
| May 8 | 64°F | 43°F | 38% | 25% | 14 h 20 min |
| May 9 | 64°F | 43°F | 38% | 25% | 14 h 30 min |
| May 10 | 64°F | 43°F | 38% | 25% | 14 h 30 min |
| May 11 | 65°F | 44°F | 38% | 25% | 14 h 30 min |
| May 12 | 65°F | 44°F | 38% | 25% | 14 h 30 min |
| May 13 | 65°F | 45°F | 38% | 25% | 14 h 40 min |
| May 14 | 66°F | 45°F | 38% | 25% | 14 h 40 min |
| May 15 | 66°F | 45°F | 38% | 25% | 14 h 40 min |
| May 16 | 67°F | 46°F | 38% | 25% | 14 h 40 min |
| May 17 | 67°F | 46°F | 38% | 25% | 14 h 40 min |
| May 18 | 67°F | 47°F | 38% | 25% | 14 h 50 min |
| May 19 | 68°F | 47°F | 38% | 25% | 14 h 50 min |
| May 20 | 68°F | 47°F | 38% | 25% | 14 h 50 min |
| May 21 | 68°F | 48°F | 38% | 25% | 14 h 50 min |
| May 22 | 69°F | 48°F | 38% | 25% | 14 h 50 min |
| May 23 | 69°F | 48°F | 38% | 25% | 15 h |
| May 24 | 70°F | 49°F | 38% | 25% | 15 h |
| May 25 | 70°F | 49°F | 38% | 25% | 15 h |
| May 26 | 70°F | 50°F | 38% | 25% | 15 h |
| May 27 | 71°F | 50°F | 38% | 25% | 15 h |
| May 28 | 71°F | 50°F | 38% | 25% | 15 h |
| May 29 | 71°F | 51°F | 38% | 25% | 15 h 10 min |
| May 30 | 72°F | 51°F | 38% | 25% | 15 h 10 min |
| May 31 | 72°F | 51°F | 37% | 25% | 15 h 10 min |
- Normal high
- 67°FMay average
- Normal low
- 46°FMay average
- Precipitation
- 4.05 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 0.1 inmonth total
- Nights at 32°F or colder
- 1
- Daylight
- 14 h 10 min to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 14
- Days at 80°F or more
- 5
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00470645; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Beaver Dam in May?
On a given May day the chance of 0.01 inch or more is 38% on average, highest around May 3 (38%). In all, 4.05 in falls on 12 days of a normal May, 1 of them with an inch or more.
In a normal May in Beaver Dam, 1 nights fall to freezing and snowfall averages 0.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00470645.
What are the records for May in Beaver Dam?
The warmest May temperature on this station's record (since 1893) is 98°F, on May 29, 1895; the coldest is 23°F, on May 10, 1966. The wettest May brought 11.15 in (2004); the snowiest, 2.0 inches (1994).
The May mean against the 1991-2020 normal of 56.1°F: 2021 57.8°F (+1.7), 2022 59.9°F (+3.8), 2023 59.6°F (+3.5), 2024 60.9°F (+4.8), 2025 56.0°F (−0.1), 2026 57.5°F (+1.4). 5 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 57.8°F | +1.7°F | 4.18 in |
| 2022 | 59.9°F | +3.8°F | 2.96 in |
| 2023 | 59.6°F | +3.5°F | 1.33 in |
| 2024 | 60.9°F | +4.8°F | 5.09 in |
| 2025 | 56.0°F | −0.1°F | 4.38 in |
| 2026 | 57.5°F | +1.4°F | 1.95 in |
Source: records: ACIS, station USC00470645; recent months: ACIS, station USC00470645. Records and recent months use complete months only.
How does May in Beaver Dam 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; Beaver Dam's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.