Weather on March 9

Duluth, MN

55 Years of Data

Avg High
33°F
Avg Low
17°F
Warmest
2025
46°F avg
Coldest
2003
0°F avg

About This Date

March 9th in Duluth, MN typically brings cold spring weather, with average highs around 33°F and lows near 17°F. Over 56 years of records, the warmest March 9th was in 2025 (46°F average), while the coldest was 2003 (0°F) — a 46°F range across recorded history. Precipitation has occurred on 13% of recorded March 9th dates, with snow falling 11% of the time (heaviest snowfall: 3"). The last decade has been 10.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 10.6°F warmer on this date compared to 20-30 years ago.

Planning for March 9th in Duluth, MN? Bundle up with warm layers and protect extremities from the cold.

Warming Trend
1.5°F per decade on this date
YearHighLowAvgPrecipSnow
202652°29°40°
2025warmest61°32°46°
202440°22°31°
202332°27°29°0.43"2"
202220°12°
202154°34°44°
202034°27°30°
201932°10°21°
201833°19°
201727°17°
201641°32°37°0.43"1"
201555°24°40°
201418°
201332°20°26°1.27"3"
201230°10°20°
201132°26°29°
201038°33°35°
200930°20°25°
200824°16°
200749°30°39°
200645°28°36°
200529°18°
200433°16°24°
2003coldest-9°
200229°16°22°
200133°12°23°
200039°18°28°
199931°25°28°
199824°10°17°
199727°19°23°
199621°-8°
199527°-8°10°
199429°11°20°
199334°29°31°
199241°18°29°0.1"
199136°13°24°
199035°28°32°
198931°25°28°
198838°31°34°
198720°14°
198628°24°26°
198546°20°33°
198420°10°
198330°19°25°0.25"1"
198221°-6°0.38"1.5"
198140°33°36°
198030°12°21°
197924°-1°12°
197848°24°36°
197753°20°36°
197628°13°20°0.08"0.3"
197522°14°
197440°30°35°
197333°27°30°
197222°12°
197129°12°20°
56 years of data from DULUTH HARBOR STN

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.