Climate averages 1991–2020
Duluth weather
in April.
A cold, moderately wet month: the 7th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cold month in Duluth: daytime highs average 6.5°C and nights cool to about -0.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 84 mm of rain on roughly 10 days, which makes April a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 33 min on an average April day.
The nearest other city in this atlas is Brooklyn Park (211 km away). In April its highs average 12.4°C, 5.9°C warmer than Duluth, with 81 mm of rain.
Among the 498 cities listed in the United States, Duluth ranks 497th of 498 for the warmest April highs and joint 239th of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Duluth is 12.9°C cooler than that mean.
From April to May, average highs rise by 6.9°C to 13.4°C, and monthly rainfall rises from 84 mm to 97 mm.
The annual picture
April in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Duluth climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -7.2°C-13.9°C | -13.9°C | 26 | 6.3 | 9.09 h |
| February | -5.2°C-12.0°C | -12.0°C | 28 | 5.4 | 10.310 h |
| March | 0.5°C-6.1°C | -6.1°C | 49 | 7.3 | 11.912 h |
| April, selected | 6.5°C-0.2°C | -0.2°C | 84 | 10.2 | 13.614 h |
| May | 13.4°C6.5°C | 6.5°C | 97 | 11.1 | 15.015 h |
| June | 19.6°C13.2°C | 13.2°C | 105 | 11.6 | 15.816 h |
| July | 23.9°C17.8°C | 17.8°C | 98 | 11.7 | 15.515 h |
| August | 23.6°C17.8°C | 17.8°C | 102 | 10.5 | 14.214 h |
| September | 19.5°C13.8°C | 13.8°C | 92 | 10.6 | 12.613 h |
| October | 11.6°C6.6°C | 6.6°C | 103 | 10.8 | 10.911 h |
| November | 3.6°C-1.1°C | -1.1°C | 66 | 8.9 | 9.49 h |
| December | -3.2°C-8.8°C | -8.8°C | 45 | 7.5 | 8.69 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Brooklyn Park in AprilUnited States · 211 kmHigh 12.4°C · Low 2.2°C · 81 mm rain
- Saint Paul in AprilUnited States · 218 kmHigh 12.6°C · Low 2.6°C · 81 mm rain
- Minneapolis in AprilUnited States · 220 kmHigh 12.5°C · Low 2.4°C · 81 mm rain
- Plymouth, United States in AprilUnited States · 223 kmHigh 12.3°C · Low 2.3°C · 81 mm rain
- Bloomington (Minnesota), United States in AprilUnited States · 235 kmHigh 12.7°C · Low 2.9°C · 81 mm rain
- Thunder Bay in AprilCanada · 278 kmHigh 5.1°C · Low -2.2°C · 54 mm rain
- Rochester (Minnesota), United States in AprilUnited States · 308 kmHigh 12.6°C · Low 2.7°C · 92 mm rain
- Fargo in AprilUnited States · 356 kmHigh 11.5°C · Low 0.4°C · 52 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Duluth) is explained once on the Duluth year overview and on the Sources, method and limits page.