Weather Almanac: Grand Marais, MI 49839

🗓️ Historical norms for May

May avg. precipitation
🌧️ 2.98"
May days below freezing
📉 ≈7.5 days
Average May lows 36°F – 42°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always

Temperature climatic data from weather station: GRAND MARAIS 2 E (USW00014859)

Precipitation climatic data from weather station: MUNISING (USC00205690)

Agricultural climatic data from weather station: GRAND MARAIS 2 E (USW00014859)