Waterloo July Weather

Averages and records for weather in Waterloo, Iowa in the month of July.
Typical Waterloo July Weather
1991–2020
Average daily high 83.9 °F
Average daily low 62.7 °F
Average monthly precipitation 4.3 inches
Average monthly snow none
Daily chance of precipitation 28.9%
Daily chance of snow 0%
Waterloo July Weather Records
1895–2024
Highest temperature 112 °F July 14, 1936
Lowest temperature 42 °F July 7, 1984
Highest daily low 80 °F July 31, 1917
Lowest daily high 61 °F July 6, 1909
Hottest average high temperature 98.2 °F 1936
Coldest average high temperature 77.0 °F 1971
Most daily precipitation 5.5 inches July 2, 1999
Most monthly precipitation 12.8 inches 1999
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
July 1 83.2 61.9 102 45
July 2 83.3 62.0 100 45
July 3 83.4 62.1 100 45
July 4 83.6 62.3 100 43
July 5 83.7 62.5 109 45
July 6 83.8 62.6 105 47
July 7 83.8 62.6 104 42
July 8 83.9 62.7 102 46
July 9 83.9 62.7 104 44
July 10 83.9 62.7 106 45
July 11 84.0 62.8 106 46
July 12 83.9 62.8 110 46
July 13 84.0 62.8 112 43
July 14 83.9 62.8 112 44
July 15 83.9 62.8 106 44
July 16 83.9 62.8 103 48
July 17 84.0 62.8 105 48
July 18 84.0 62.7 102 49
July 19 84.0 62.7 104 47
July 20 84.0 62.7 104 47
July 21 83.9 62.6 106 46
July 22 83.8 62.4 104 45
July 23 83.7 62.3 103 46
July 24 83.7 62.3 107 49
July 25 83.7 62.2 104 46
July 26 83.7 62.2 109 46
July 27 83.6 62.1 102 45
July 28 83.5 62.0 102 45
July 29 83.4 61.9 103 44
July 30 83.3 61.9 104 45
July 31 83.1 61.7 105 43
Weather Station Details
Years Station Coordinates
1950–2024 Waterloo Municipal Airport location
1895–1950 Waterloo location