Weather Almanac: Roslyn, SD 57261

🗓️ Historical norms for May

May avg. precipitation
🌧️ 2.97"
May days below freezing
📉 ≈1.7 days
Average May lows ≈44.4°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 May 18
First Fall Frost (36°F)
🍂 Sep 24

Temperature climatic data from weather station: ROY LAKE (USC00397326)

Precipitation climatic data from weather station: ROY LAKE (USC00397326)

Agricultural climatic data from weather station: WAUBAY NWR (USC00398980)