Duluth weather in April: Duluth, Minnesota: normal highs, lows, rain and records for April
Duluth in April has a normal high of 49°F and a normal low of 30°F, a daily mean of 40°F, rising from 43°F on the 1st to 56°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 2.53 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 10°C and low of −1°C, 64 mm of precipitation and 23 cm of snow in April.
- NOAA stationDuluth International Airport
- Station IDUSW00014913
- Location46.84°N 92.21°W
- Elevation1,428 ft (435 m)
- From the center6 miles
- Population87,986
- Jan 20° 2°
- Feb 25° 6°
- Mar 36° 18°
- Apr 49° 30°
- May 63° 41°
- Jun 72° 50°
- Jul 78° 56°
- Aug 76° 55°
- Sep 67° 47°
- Oct 53° 36°
- Nov 37° 23°
- Dec 25° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Duluth in April?
The normal high is 49°F and the normal low 30°F, for a daily mean of 39.5°F. April is 12.5°F warmer than March and 12.5°F cooler than May. April is the 7th warmest month of the year in Duluth and the 7th wettest. Across the month the normal high rises 13°F, from 43°F on April 1 to 56°F on April 30. From one year to the next April's mean temperature typically moves about 3.5°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 36°F and 43°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 |
|---|---|---|---|---|
| April 1 | 43°F | 24°F | 36% | 17% |
| April 8 | 46°F | 27°F | 37% | 18% |
| April 15 | 49°F | 30°F | 37% | 19% |
| April 22 | 52°F | 33°F | 38% | 20% |
| April 30 | 56°F | 36°F | 38% | 21% |
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 | 43°F | 24°F | 36% | 17% | 12 h 50 min |
| April 2 | 43°F | 25°F | 36% | 17% | 12 h 50 min |
| April 3 | 43°F | 25°F | 36% | 17% | 12 h 50 min |
| April 4 | 44°F | 25°F | 36% | 17% | 13 h |
| April 5 | 44°F | 26°F | 36% | 18% | 13 h |
| April 6 | 45°F | 26°F | 36% | 18% | 13 h |
| April 7 | 45°F | 27°F | 37% | 18% | 13 h 10 min |
| April 8 | 46°F | 27°F | 37% | 18% | 13 h 10 min |
| April 9 | 46°F | 27°F | 37% | 18% | 13 h 10 min |
| April 10 | 46°F | 28°F | 37% | 18% | 13 h 20 min |
| April 11 | 47°F | 28°F | 37% | 18% | 13 h 20 min |
| April 12 | 47°F | 29°F | 37% | 18% | 13 h 20 min |
| April 13 | 48°F | 29°F | 37% | 19% | 13 h 30 min |
| April 14 | 48°F | 29°F | 37% | 19% | 13 h 30 min |
| April 15 | 49°F | 30°F | 37% | 19% | 13 h 30 min |
| April 16 | 49°F | 30°F | 37% | 19% | 13 h 40 min |
| April 17 | 50°F | 31°F | 37% | 19% | 13 h 40 min |
| April 18 | 50°F | 31°F | 38% | 19% | 13 h 40 min |
| April 19 | 51°F | 31°F | 38% | 20% | 13 h 40 min |
| April 20 | 51°F | 32°F | 38% | 20% | 13 h 50 min |
| April 21 | 52°F | 32°F | 38% | 20% | 13 h 50 min |
| April 22 | 52°F | 33°F | 38% | 20% | 13 h 50 min |
| April 23 | 53°F | 33°F | 38% | 20% | 14 h |
| April 24 | 53°F | 33°F | 38% | 20% | 14 h |
| April 25 | 54°F | 34°F | 38% | 20% | 14 h |
| April 26 | 54°F | 34°F | 38% | 21% | 14 h 10 min |
| April 27 | 55°F | 35°F | 38% | 21% | 14 h 10 min |
| April 28 | 55°F | 35°F | 38% | 21% | 14 h 10 min |
| April 29 | 56°F | 35°F | 38% | 21% | 14 h 20 min |
| April 30 | 56°F | 36°F | 38% | 21% | 14 h 20 min |
- Normal high
- 49°FApril average
- Normal low
- 30°FApril average
- Precipitation
- 2.53 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 9.1 inmonth total
- Nights at 32°F or colder
- 19
- Daylight
- 12 h 50 min to 14 h 20 minApril 1 to April 30
- Days at 70°F or more
- 1
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014913; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Duluth in April?
On a given April day the chance of 0.01 inch or more is 37% on average, highest around April 30 (38%). In all, 2.53 in falls on 11 days of a normal April.
In a normal April in Duluth, 19 nights fall to freezing, 2 days stay below freezing all day and snowfall averages 9.1 inches.
Snow falls on 6 days in a normal April, and an inch or more covers the ground on 10 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014913.
How humid and windy is Duluth in April?
At 3 p.m. the normal temperature is 53°F with 43% relative humidity and a dew point of 31°F; at 6 a.m. it is 39°F with 72% humidity. The wind averages 10.9 mph, most often from the east in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 39°F | 31°F | 72% | 9.3 mph | 48% |
| 9 a.m. | 47°F | 31°F | 55% | 12.0 mph | 52% |
| noon | 51°F | 31°F | 46% | 13.4 mph | 43% |
| 3 p.m. | 53°F | 31°F | 43% | 13.8 mph | 45% |
| 6 p.m. | 50°F | 30°F | 46% | 12.3 mph | 46% |
| 9 p.m. | 44°F | 30°F | 58% | 9.1 mph | 57% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014913. 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 Duluth?
The warmest April temperature on Duluth's official record (since 1874) is 88°F, on April 27, 1952; the coldest is −5°F, on April 3, 1954. The wettest April brought 8.18 in (2001); the snowiest, 50.8 inches (2013).
The April mean against the 1991-2020 normal of 39.5°F: 2021 41.0°F (+1.5), 2022 33.8°F (−5.8), 2023 35.8°F (−3.7), 2024 41.6°F (+2.1), 2025 39.0°F (−0.5), 2026 37.8°F (−1.8). 2 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 41.0°F | +1.5°F | 2.91 in |
| 2022 | 33.8°F | −5.8°F | 4.02 in |
| 2023 | 35.8°F | −3.7°F | 2.84 in |
| 2024 | 41.6°F | +2.1°F | 2.71 in |
| 2025 | 39.0°F | −0.5°F | 2.65 in |
| 2026 | 37.8°F | −1.8°F | 3.66 in |
Source: records: ACIS, NWS threaded record DLHthr; recent months: ACIS, station USW00014913. Records and recent months use complete months only.
How does April in Duluth compare across Minnesota?
Across the 129 places PlainClimate covers in Minnesota, April normal highs run from 44°F in Lutsen to 59°F in Amboy; Duluth's is 49°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.