Weather Almanac: Sister Bay, WI 54234

🗓️ Historical norms for April

April avg. precipitation
🌧️ 2.73"
April days below freezing
📉 ≈10.2 days
Average April lows ≈33.4°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 Jun 1
First Fall Frost (36°F)
🍂 Sep 28

Temperature climatic data from weather station: EPHRAIM 1NE-WWTP (USC00472626)

Precipitation climatic data from weather station: EPHRAIM 1NE-WWTP (USC00472626)

Agricultural climatic data from weather station: WASHINGTON IS (USC00478905)