Dubuque weather in April: Dubuque, Iowa: normal highs, lows, rain and records for April
Dubuque in April has a normal high of 58°F and a normal low of 37°F, a daily mean of 47°F, rising from 52°F on the 1st to 63°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 4.06 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 3°C, 103 mm of precipitation and 5 cm of snow in April.
- NOAA stationDubuque Regional Airport
- Station IDUSW00094908
- Location42.40°N 90.70°W
- Elevation1,056 ft (322 m)
- Population58,987
- Jan 27° 11°
- Feb 31° 15°
- Mar 44° 26°
- Apr 58° 37°
- May 69° 49°
- Jun 79° 59°
- Jul 82° 62°
- Aug 80° 60°
- Sep 73° 52°
- Oct 60° 40°
- Nov 45° 28°
- Dec 32° 17°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Dubuque in April?
The normal high is 58°F and the normal low 37°F, for a daily mean of 47.4°F. April is 12.2°F warmer than March and 11.4°F cooler than May. April is the 7th warmest month of the year in Dubuque and the 4th wettest. Across the month the normal high rises 11°F, from 52°F on April 1 to 63°F on April 30. From one year to the next April's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 44°F and 51°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 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 52°F | 32°F | 35% | 21% |
| April 8 | 55°F | 35°F | 37% | 23% |
| April 15 | 58°F | 37°F | 38% | 25% |
| April 22 | 60°F | 40°F | 40% | 26% |
| April 30 | 63°F | 42°F | 41% | 26% |
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 | 52°F | 32°F | 35% | 21% | 12 h 40 min |
| April 2 | 52°F | 33°F | 35% | 21% | 12 h 40 min |
| April 3 | 53°F | 33°F | 36% | 21% | 12 h 50 min |
| April 4 | 53°F | 33°F | 36% | 21% | 12 h 50 min |
| April 5 | 54°F | 34°F | 36% | 22% | 12 h 50 min |
| April 6 | 54°F | 34°F | 36% | 22% | 12 h 50 min |
| April 7 | 54°F | 34°F | 37% | 22% | 13 h |
| April 8 | 55°F | 35°F | 37% | 23% | 13 h |
| April 9 | 55°F | 35°F | 37% | 23% | 13 h |
| April 10 | 56°F | 35°F | 37% | 23% | 13 h 10 min |
| April 11 | 56°F | 36°F | 37% | 24% | 13 h 10 min |
| April 12 | 56°F | 36°F | 38% | 24% | 13 h 10 min |
| April 13 | 57°F | 36°F | 38% | 24% | 13 h 10 min |
| April 14 | 57°F | 37°F | 38% | 24% | 13 h 20 min |
| April 15 | 58°F | 37°F | 38% | 25% | 13 h 20 min |
| April 16 | 58°F | 37°F | 39% | 25% | 13 h 20 min |
| April 17 | 58°F | 38°F | 39% | 25% | 13 h 20 min |
| April 18 | 59°F | 38°F | 39% | 25% | 13 h 30 min |
| April 19 | 59°F | 38°F | 39% | 25% | 13 h 30 min |
| April 20 | 60°F | 39°F | 39% | 25% | 13 h 30 min |
| April 21 | 60°F | 39°F | 39% | 26% | 13 h 40 min |
| April 22 | 60°F | 40°F | 40% | 26% | 13 h 40 min |
| April 23 | 61°F | 40°F | 40% | 26% | 13 h 40 min |
| April 24 | 61°F | 40°F | 40% | 26% | 13 h 40 min |
| April 25 | 61°F | 41°F | 40% | 26% | 13 h 50 min |
| April 26 | 62°F | 41°F | 40% | 26% | 13 h 50 min |
| April 27 | 62°F | 41°F | 40% | 26% | 13 h 50 min |
| April 28 | 63°F | 42°F | 40% | 26% | 13 h 50 min |
| April 29 | 63°F | 42°F | 40% | 26% | 14 h |
| April 30 | 63°F | 42°F | 41% | 26% | 14 h |
- Normal high
- 58°FApril average
- Normal low
- 37°FApril average
- Precipitation
- 4.06 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 1.9 inmonth total
- Nights at 32°F or colder
- 8
- Daylight
- 12 h 40 min to 14 hApril 1 to April 30
- Days at 70°F or more
- 5
- Days at 80°F or more
- 1
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094908; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Dubuque in April?
On a given April day the chance of 0.01 inch or more is 38% on average, highest around April 30 (41%). In all, 4.06 in falls on 11 days of a normal April, 1 of them with an inch or more.
In a normal April in Dubuque, 8 nights fall to freezing and snowfall averages 1.9 inches.
Snow falls on 1 day in a normal April, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094908.
How humid and windy is Dubuque in April?
At 3 p.m. the normal temperature is 61°F with 49% relative humidity and a dew point of 42°F; at 6 a.m. it is 46°F with 79% humidity. The wind averages 11.0 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 46°F | 40°F | 79% | 9.5 mph | 53% |
| 9 a.m. | 53°F | 41°F | 63% | 12.5 mph | 59% |
| noon | 59°F | 42°F | 53% | 13.2 mph | 49% |
| 3 p.m. | 61°F | 42°F | 49% | 13.6 mph | 53% |
| 6 p.m. | 59°F | 42°F | 53% | 11.6 mph | 51% |
| 9 p.m. | 52°F | 41°F | 67% | 9.2 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094908. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for April in Dubuque?
The warmest April temperature on Dubuque's official record (since 1874) is 93°F, on April 22, 1980; the coldest is 10°F, on April 6, 1982. The wettest April brought 8.73 in (2026); the snowiest, 19.8 inches (1973).
The April mean against the 1991-2020 normal of 47.4°F: 2021 49.3°F (+1.9), 2022 43.7°F (−3.7), 2023 48.1°F (+0.7), 2024 49.8°F (+2.4), 2025 48.9°F (+1.5), 2026 52.3°F (+4.9). 5 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.3°F | +1.9°F | 1.91 in |
| 2022 | 43.7°F | −3.7°F | 4.20 in |
| 2023 | 48.1°F | +0.7°F | 2.08 in |
| 2024 | 49.8°F | +2.4°F | 4.82 in |
| 2025 | 48.9°F | +1.5°F | 2.77 in |
| 2026 | 52.3°F | +4.9°F | 8.73 in |
Source: records: ACIS, NWS threaded record DBQthr; recent months: ACIS, station USW00094908. Records and recent months use complete months only.
How does April in Dubuque compare across Iowa?
Across the 132 places PlainClimate covers in Iowa, April normal highs run from 54°F in Northwood to 64°F in Glenwood; Dubuque's is 58°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.