Rhinelander weather in May: Rhinelander, Wisconsin: normal highs, lows, rain and records for May
Rhinelander in May has a normal high of 66°F and a normal low of 41°F, a daily mean of 54°F, rising from 60°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 14 days in a normal May, 3.42 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 5°C, 87 mm of precipitation in May.
- NOAA stationRhinelander Oneida County Airport
- Station IDUSW00004803
- Location45.63°N 89.47°W
- Elevation1,599 ft (487 m)
- Population8,286
- Jan 23° 4°
- Feb 27° 6°
- Mar 39° 17°
- Apr 52° 29°
- May 66° 41°
- Jun 76° 50°
- Jul 80° 54°
- Aug 77° 52°
- Sep 69° 45°
- Oct 55° 34°
- Nov 39° 23°
- Dec 27° 11°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rhinelander in May?
The normal high is 66°F and the normal low 41°F, for a daily mean of 53.5°F. May is 12.9°F warmer than April and 9.4°F cooler than June. May is the 5th warmest month of the year in Rhinelander and the 4th wettest. Across the month the normal high rises 12°F, from 60°F on May 1 to 72°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 51°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 43%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 60°F | 35°F | 40% | 23% |
| May 8 | 63°F | 38°F | 41% | 24% |
| May 15 | 66°F | 40°F | 42% | 24% |
| May 22 | 69°F | 43°F | 43% | 24% |
| May 31 | 72°F | 46°F | 43% | 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 | 60°F | 35°F | 40% | 23% | 14 h 20 min |
| May 2 | 61°F | 35°F | 40% | 23% | 14 h 20 min |
| May 3 | 61°F | 36°F | 40% | 23% | 14 h 20 min |
| May 4 | 62°F | 36°F | 40% | 23% | 14 h 20 min |
| May 5 | 62°F | 36°F | 41% | 23% | 14 h 30 min |
| May 6 | 63°F | 37°F | 41% | 23% | 14 h 30 min |
| May 7 | 63°F | 37°F | 41% | 24% | 14 h 30 min |
| May 8 | 63°F | 38°F | 41% | 24% | 14 h 30 min |
| May 9 | 64°F | 38°F | 41% | 24% | 14 h 40 min |
| May 10 | 64°F | 38°F | 42% | 24% | 14 h 40 min |
| May 11 | 65°F | 39°F | 42% | 24% | 14 h 40 min |
| May 12 | 65°F | 39°F | 42% | 24% | 14 h 50 min |
| May 13 | 66°F | 40°F | 42% | 24% | 14 h 50 min |
| May 14 | 66°F | 40°F | 42% | 24% | 14 h 50 min |
| May 15 | 66°F | 40°F | 42% | 24% | 14 h 50 min |
| May 16 | 67°F | 41°F | 42% | 24% | 14 h 50 min |
| May 17 | 67°F | 41°F | 42% | 24% | 15 h |
| May 18 | 67°F | 42°F | 42% | 24% | 15 h |
| May 19 | 68°F | 42°F | 42% | 24% | 15 h |
| May 20 | 68°F | 42°F | 43% | 24% | 15 h |
| May 21 | 69°F | 43°F | 43% | 24% | 15 h 10 min |
| May 22 | 69°F | 43°F | 43% | 24% | 15 h 10 min |
| May 23 | 69°F | 43°F | 43% | 24% | 15 h 10 min |
| May 24 | 70°F | 44°F | 43% | 24% | 15 h 10 min |
| May 25 | 70°F | 44°F | 43% | 25% | 15 h 10 min |
| May 26 | 70°F | 44°F | 43% | 25% | 15 h 20 min |
| May 27 | 70°F | 45°F | 43% | 25% | 15 h 20 min |
| May 28 | 71°F | 45°F | 43% | 25% | 15 h 20 min |
| May 29 | 71°F | 45°F | 43% | 25% | 15 h 20 min |
| May 30 | 71°F | 46°F | 43% | 25% | 15 h 20 min |
| May 31 | 72°F | 46°F | 43% | 25% | 15 h 20 min |
- Normal high
- 66°FMay average
- Normal low
- 41°FMay average
- Precipitation
- 3.42 inmonth total
- Days with precipitation
- 140.01 inch or more
- Nights at 32°F or colder
- 7
- Daylight
- 14 h 20 min to 15 h 20 minMay 1 to May 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 3
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00004803; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rhinelander in May?
On a given May day the chance of 0.01 inch or more is 42% on average, highest around May 28 (43%). In all, 3.42 in falls on 14 days of a normal May, 1 of them with an inch or more.
In a normal May in Rhinelander, 7 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00004803.
What are the records for May in Rhinelander?
The warmest May temperature on Rhinelander's official record (since 1893) is 99°F, on May 31, 1934; the coldest is 18°F, on May 2, 1911. The wettest May brought 7.50 in (1991); the snowiest, 11.0 inches (1960).
The May mean against the 1991-2020 normal of 53.5°F: 2021 51.9°F (−1.6), 2022 55.4°F (+1.9), 2023 55.4°F (+1.9), 2024 55.4°F (+1.9), 2025 53.5°F (at normal), 2026 51.7°F (−1.8). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 51.9°F | −1.6°F | 1.76 in |
| 2022 | 55.4°F | +1.9°F | 3.83 in |
| 2023 | 55.4°F | +1.9°F | 0.95 in |
| 2024 | 55.4°F | +1.9°F | 3.79 in |
| 2025 | 53.5°F | at normal | 1.00 in |
| 2026 | 51.7°F | −1.8°F | 2.01 in |
Source: records: ACIS, NWS threaded record RHIthr; recent months: ACIS, station USW00004803. Records and recent months use complete months only.
How does May in Rhinelander 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; Rhinelander's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.