Racine weather in May: Racine, Wisconsin: normal highs, lows, rain and records for May
Racine in May has a normal high of 66°F and a normal low of 46°F, a daily mean of 56°F, rising from 60°F on the 1st to 71°F by the 31st. Measurable precipitation falls on 13 days in a normal May, 3.49 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 8°C, 89 mm of precipitation in May.
- NOAA stationRacine Batten Airport
- Station IDUSW00094818
- Location42.76°N 87.81°W
- Elevation674 ft (205 m)
- From the center2 miles
- Population78,057
- Jan 31° 16°
- Feb 34° 19°
- Mar 43° 28°
- Apr 54° 37°
- May 66° 46°
- Jun 76° 57°
- Jul 81° 63°
- Aug 80° 63°
- Sep 73° 55°
- Oct 61° 43°
- Nov 47° 32°
- Dec 36° 22°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Racine in May?
The normal high is 66°F and the normal low 46°F, for a daily mean of 56.0°F. May is 10.7°F warmer than April and 10.4°F cooler than June. May is the 5th warmest month of the year in Racine and the 3rd wettest. Across the month the normal high rises 11°F, from 60°F on May 1 to 71°F on May 31. From one year to the next May's mean temperature typically moves about 2.7°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 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 60°F | 41°F | 40% | 25% |
| May 8 | 63°F | 44°F | 41% | 26% |
| May 15 | 65°F | 46°F | 41% | 27% |
| May 22 | 68°F | 48°F | 42% | 26% |
| May 31 | 71°F | 52°F | 42% | 26% |
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 | 60°F | 41°F | 40% | 25% | 14 h |
| May 2 | 60°F | 42°F | 40% | 25% | 14 h 10 min |
| May 3 | 61°F | 42°F | 40% | 25% | 14 h 10 min |
| May 4 | 61°F | 42°F | 40% | 25% | 14 h 10 min |
| May 5 | 62°F | 43°F | 40% | 25% | 14 h 10 min |
| May 6 | 62°F | 43°F | 40% | 26% | 14 h 20 min |
| May 7 | 62°F | 43°F | 41% | 26% | 14 h 20 min |
| May 8 | 63°F | 44°F | 41% | 26% | 14 h 20 min |
| May 9 | 63°F | 44°F | 41% | 26% | 14 h 20 min |
| May 10 | 63°F | 44°F | 41% | 26% | 14 h 20 min |
| May 11 | 64°F | 45°F | 41% | 26% | 14 h 30 min |
| May 12 | 64°F | 45°F | 41% | 26% | 14 h 30 min |
| May 13 | 65°F | 45°F | 41% | 26% | 14 h 30 min |
| May 14 | 65°F | 46°F | 41% | 27% | 14 h 30 min |
| May 15 | 65°F | 46°F | 41% | 27% | 14 h 40 min |
| May 16 | 66°F | 46°F | 41% | 27% | 14 h 40 min |
| May 17 | 66°F | 47°F | 41% | 27% | 14 h 40 min |
| May 18 | 66°F | 47°F | 41% | 27% | 14 h 40 min |
| May 19 | 67°F | 47°F | 41% | 26% | 14 h 40 min |
| May 20 | 67°F | 48°F | 41% | 26% | 14 h 50 min |
| May 21 | 68°F | 48°F | 42% | 26% | 14 h 50 min |
| May 22 | 68°F | 48°F | 42% | 26% | 14 h 50 min |
| May 23 | 68°F | 49°F | 42% | 26% | 14 h 50 min |
| May 24 | 69°F | 49°F | 42% | 26% | 14 h 50 min |
| May 25 | 69°F | 50°F | 42% | 26% | 14 h 50 min |
| May 26 | 69°F | 50°F | 42% | 26% | 15 h |
| May 27 | 70°F | 50°F | 42% | 26% | 15 h |
| May 28 | 70°F | 51°F | 42% | 26% | 15 h |
| May 29 | 70°F | 51°F | 42% | 26% | 15 h |
| May 30 | 71°F | 51°F | 42% | 26% | 15 h |
| May 31 | 71°F | 52°F | 42% | 26% | 15 h |
- Normal high
- 66°FMay average
- Normal low
- 46°FMay average
- Precipitation
- 3.49 inmonth total
- Days with precipitation
- 130.01 inch or more
- Daylight
- 14 h to 15 hMay 1 to May 31
- Days at 70°F or more
- 11
- Days at 80°F or more
- 3
- Sunshine
- 68%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094818; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Racine in May?
On a given May day the chance of 0.01 inch or more is 41% on average, highest around May 25 (42%). In all, 3.49 in falls on 13 days of a normal May, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094818.
What are the records for May in Racine?
The warmest May temperature on this station's record (since 1998) is 91°F, on May 27, 2018; the coldest is 28°F, on May 9, 2020. The wettest May brought 9.65 in (2004).
The May mean against the 1991-2020 normal of 56.0°F: 2021 56.8°F (+0.8), 2022 57.9°F (+1.9), 2023 56.3°F (+0.3), 2024 59.7°F (+3.7), 2025 53.2°F (−2.8), 2026 54.5°F (−1.5). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.8°F | +0.8°F | 2.02 in |
| 2022 | 57.9°F | +1.9°F | 3.68 in |
| 2023 | 56.3°F | +0.3°F | 1.06 in |
| 2024 | 59.7°F | +3.7°F | 6.05 in |
| 2025 | 53.2°F | −2.8°F | 3.62 in |
| 2026 | 54.5°F | −1.5°F | – |
Source: records: ACIS, station USW00094818; recent months: ACIS, station USW00094818. Records and recent months use complete months only.
How does May in Racine 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; Racine's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.