Rhinelander weather in April: Rhinelander, Wisconsin: normal highs, lows, rain and records for April
Rhinelander in April has a normal high of 52°F and a normal low of 29°F, a daily mean of 41°F, rising from 45°F on the 1st to 60°F by the 30th. Measurable precipitation falls on 12 days in a normal April, 2.65 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 11°C and low of −2°C, 67 mm of precipitation in April.
- 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 April?
The normal high is 52°F and the normal low 29°F, for a daily mean of 40.6°F. April is 12.7°F warmer than March and 12.9°F cooler than May. April is the 7th warmest month of the year in Rhinelander and the 7th wettest. Across the month the normal high rises 15°F, from 45°F on April 1 to 60°F on April 30. From one year to the next April's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 37°F and 45°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 |
|---|---|---|---|---|
| April 1 | 45°F | 24°F | 34% | 18% |
| April 8 | 49°F | 26°F | 36% | 19% |
| April 15 | 52°F | 29°F | 38% | 21% |
| April 22 | 56°F | 31°F | 39% | 23% |
| April 30 | 60°F | 34°F | 40% | 23% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 45°F | 24°F | 34% | 18% | 12 h 40 min |
| April 2 | 46°F | 24°F | 35% | 18% | 12 h 50 min |
| April 3 | 46°F | 24°F | 35% | 18% | 12 h 50 min |
| April 4 | 47°F | 25°F | 35% | 18% | 12 h 50 min |
| April 5 | 47°F | 25°F | 35% | 19% | 13 h |
| April 6 | 48°F | 26°F | 36% | 19% | 13 h |
| April 7 | 48°F | 26°F | 36% | 19% | 13 h |
| April 8 | 49°F | 26°F | 36% | 19% | 13 h 10 min |
| April 9 | 49°F | 27°F | 36% | 20% | 13 h 10 min |
| April 10 | 50°F | 27°F | 37% | 20% | 13 h 10 min |
| April 11 | 50°F | 27°F | 37% | 20% | 13 h 20 min |
| April 12 | 51°F | 28°F | 37% | 21% | 13 h 20 min |
| April 13 | 51°F | 28°F | 37% | 21% | 13 h 20 min |
| April 14 | 52°F | 28°F | 38% | 21% | 13 h 30 min |
| April 15 | 52°F | 29°F | 38% | 21% | 13 h 30 min |
| April 16 | 53°F | 29°F | 38% | 22% | 13 h 30 min |
| April 17 | 53°F | 29°F | 38% | 22% | 13 h 30 min |
| April 18 | 54°F | 30°F | 38% | 22% | 13 h 40 min |
| April 19 | 54°F | 30°F | 39% | 22% | 13 h 40 min |
| April 20 | 55°F | 31°F | 39% | 22% | 13 h 40 min |
| April 21 | 55°F | 31°F | 39% | 22% | 13 h 50 min |
| April 22 | 56°F | 31°F | 39% | 23% | 13 h 50 min |
| April 23 | 56°F | 32°F | 39% | 23% | 13 h 50 min |
| April 24 | 57°F | 32°F | 39% | 23% | 14 h |
| April 25 | 57°F | 32°F | 39% | 23% | 14 h |
| April 26 | 58°F | 33°F | 39% | 23% | 14 h |
| April 27 | 58°F | 33°F | 40% | 23% | 14 h |
| April 28 | 59°F | 34°F | 40% | 23% | 14 h 10 min |
| April 29 | 59°F | 34°F | 40% | 23% | 14 h 10 min |
| April 30 | 60°F | 34°F | 40% | 23% | 14 h 10 min |
- Normal high
- 52°FApril average
- Normal low
- 29°FApril average
- Precipitation
- 2.65 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 20
- Daylight
- 12 h 40 min to 14 h 10 minApril 1 to April 30
- Days at 70°F or more
- 3
- Sunshine
- 68%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 April?
On a given April day the chance of 0.01 inch or more is 38% on average, highest around April 30 (40%). In all, 2.65 in falls on 12 days of a normal April.
In a normal April in Rhinelander, 20 nights fall to freezing and 2 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00004803.
What are the records for April in Rhinelander?
The warmest April temperature on Rhinelander's official record (since 1893) is 92°F, on April 28, 1952; the coldest is −11°F, on April 1, 1924. The wettest April brought 6.93 in (2017); the snowiest, 28.1 inches (2014).
The April mean against the 1991-2020 normal of 40.6°F: 2021 42.1°F (+1.5), 2022 35.7°F (−4.9), 2023 39.3°F (−1.4), 2024 42.8°F (+2.2), 2025 39.1°F (−1.5), 2026 42.2°F (+1.6). 3 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 42.1°F | +1.5°F | 4.48 in |
| 2022 | 35.7°F | −4.9°F | 4.76 in |
| 2023 | 39.3°F | −1.4°F | 4.74 in |
| 2024 | 42.8°F | +2.2°F | 2.80 in |
| 2025 | 39.1°F | −1.5°F | 2.88 in |
| 2026 | 42.2°F | +1.6°F | 6.07 in |
Source: records: ACIS, NWS threaded record RHIthr; recent months: ACIS, station USW00004803. Records and recent months use complete months only.
How does April in Rhinelander compare across Wisconsin?
Across the 165 places PlainClimate covers in Wisconsin, April normal highs run from 46°F in Superior to 61°F in Boscobel; Rhinelander's is 52°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.