Duluth, MN weather in March
Expect cold weather with some rain and some snow in Duluth in March, with highs near 36°F and lows near 21°F. Rain or snow falls on about 7 days. Snowfall averages about 9.1 in.
- Normal high
- 36°F
- Normal low
- 21°F
- Wet days
- 7
- 1.4 in total
- Snowfall
- 9.1 in
- snow on the ground 19 days
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 32°F | 40°F |
| Normal low | 15°F | 27°F |
| Chance of a wet day | 22% | 25% |
| Sunrise / sunset | 6:47 am / 5:53 pm | 6:49 am / 7:35 pm |
| Daylight | 11.1 h | 12.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical March day
- 6 am21°Fdew point 15°F
- 9 am26°Fdew point 17°F
- Noon31°Fdew point 18°F
- 3 pm33°Fdew point 19°F
- 6 pm31°Fdew point 18°F
- 9 pm27°Fdew point 18°F
NOAA hourly normals (local standard time) from Duluth (6 mi away); average wind 10 mph; clear or few clouds in 48% of daytime hours, mostly cloudy or overcast in 42%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in4 of 31
- Freezing nightslow 32°F or below27 of 31
- Snow on the groundsnow depth 1 in or more19 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 1.4 in; a dry March brings about 0.7 in and a wet one about 1.8 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 9.1 in, with about 3 days of an inch or more.
How March varies from year to year
- Warmest March, 1991-20202010: average high 45°F
- Coolest March1996: average high 29°F
- Wettest March2016: 4.2 in
- Driest March1999: 0.4 in
- Highest reading74°F (March 31, 2010)
- Lowest reading-17°F (March 17, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 27°F | 36°F | 46°F |
| Normal low | 9°F | 21°F | 32°F |
| Wet days | 6 | 7 | 9 |
| Comfortable days | 0 | 0 | 2 |
| Daylight | 10.3 h | 11.9 h | 13.6 h |
Highs change by +9°F from February and +10°F into April.
Nearby alternatives in March
- Warmer: Minneapolis, MN136 mi · high 42°F · 9 wet days
How Duluth ranks in March
- Normal high373rd warmest of 378 cities; 3rd of 3 in Minnesota
- Wet days100th driest of 378
- Comfortable days332nd most of 339
What to pack for Duluth in March
- A warm jacket – lows near 21°F, highs near 36°F
- Waterproof boots – snow on the ground on about 19 days
- A hat and gloves – about 27 freezing nights
Heating and cooling
March has 1130 heating degree days and 0 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How cold is Duluth in March?
The normal high is 36°F and the normal low is 21°F. From 1991 to 2020 the coldest March reading was -17°F (March 17, 2013).
Does it rain a lot in Duluth in March?
About 7 days in March have at least 0.01 in of precipitation, and the normal total is 1.4 in. The wettest March in 1991-2020 was in 2016 (4.2 in); the driest was in 1999 (0.4 in).
Does it snow in Duluth in March?
Yes. Normal snowfall in March is 9.1 in, and snow covers the ground on about 19 days.
Is March a good time to visit Duluth?
March ranks 8th of 12 months on our comfort score for Duluth (35 out of 100). It has almost no comfortable days. The best month is August.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Superior (USC00478349), 4.2 mi SSE of the city center, 607 ft (93 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Duluth (USW00014913), 6.1 mi NW of the city center, 1,428 ft (728 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Duluth International Airport (727450-14913), 5.7 mi NW of the city center, 1,422 ft (722 ft higher than the city). Hourly observations, 1991-2020.