Lake Erie Water Temperatures. Maximum and minimum monthly sea temperatures in Erie Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; Min °C-0.2-0.3-0.6: 1: 3.5: 11: 20.1: 21.9: 18.3: 12.5: 7.7: 2.1: Max °C: 3.6: 1.1: 1.4: 5.7: 12.7: 22.7: 25.8: 25.7: 23.9: 19.9: 13.1: 8.5: Min °F: 33.2: 32.1: 31.7: 35.6: 42: 56.4: 70.4: 72.9: 67.2: 57.5: 48: 38.3: Max °F: 37: 33.4: 33.7: 40.3: 51.2: 68.1: 76.1: 76.7: 72.8: 64.9: 53.4: 44.7 The warmest water temperature in Lake Erie in May is 17.6°C/63.7°F, and the coldest water temperature in May is 4.4°C/39.9°F. It always been temperate that ranges around 29°F to 70°F, which is considered normal. Lake Erie’s average water temperature reached 79.6 degrees on July 10, over 8 degrees above normal, and the warmest mark on record for any month (although it … The good thing about this lake is that it never freezes. The average air temperature and Lake Erie water temperature at Buffalo, New York, defines the various lake-effect seasons. All data is for the years 1927-2019 . The average water temperature in Lake Erie in winter reaches 3°C/37.4°F, in spring 5°C/41°F, in summer the average temperature rises to … Monthly Lake Erie Temperatures : January: February: March: April: May: June: July: August: September: October: November: December Third digit is the lowest observed temperature for the date. So, tourists can enjoy the lake regardless of the seasons are. Normal is based on the entire period of record. Unofficial Normals and Extremes for each day of the year. First digit is the highest observed temperature for the date. During those months, Lake Erie water temperature does not drop below 20°C/68°F and therefore suitable for comfortable swimming. Current water temperature Lake Erie Changes water temperature in Lake Erie in May 2020, 2019 The waterspout … Average water temperature in Lake Erie in May is 9.3°C/48.7°F and therefore is not suitable for comfortable swimming. Second digit is the normal temperature for the date. Lake Erie: The current water temperature 62.6 °F The temperature is too cold to swim.