|
Typical Waterloo May Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 71.6 °F | |
| Average daily low | 48.9 °F | |
| Average monthly precipitation | 4.6 inches | |
| Average monthly snow | 0.1 inches | |
| Daily chance of precipitation | 41.6% | |
| Daily chance of snow | 0.22% | |
|
Waterloo May Weather Records 1895–2024 |
||
|---|---|---|
| Highest temperature | 108 °F | May 31, 1934 |
| Lowest temperature | 22 °F | May 3, 2005 |
| Highest daily low | 73 °F | May 9, 1934 |
| Lowest daily high | 36 °F | May 3, 2013 |
| Hottest average high temperature | 86.6 °F | 1934 |
| Coldest average high temperature | 63.5 °F | 1907 |
| Most daily precipitation | 3.4 inches | May 29, 1980 |
| Most monthly precipitation | 10.8 inches | 2013 |
| Most daily snow | 2.0 inches | May 29, 1947 |
| Most monthly snow | 2.0 inches | 1947 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| May 1 | 65.7 | 42.8 | 93 | 27 |
| May 2 | 66.1 | 43.2 | 91 | 24 |
| May 3 | 66.4 | 43.5 | 90 | 22 |
| May 4 | 66.8 | 43.8 | 91 | 22 |
| May 5 | 67.4 | 44.1 | 93 | 29 |
| May 6 | 67.7 | 44.6 | 99 | 28 |
| May 7 | 68.0 | 45.0 | 90 | 25 |
| May 8 | 68.4 | 45.4 | 90 | 28 |
| May 9 | 68.8 | 45.8 | 95 | 25 |
| May 10 | 69.1 | 46.2 | 93 | 29 |
| May 11 | 69.4 | 46.7 | 93 | 27 |
| May 12 | 69.8 | 47.2 | 94 | 30 |
| May 13 | 70.3 | 47.7 | 91 | 30 |
| May 14 | 70.7 | 48.1 | 96 | 28 |
| May 15 | 71.1 | 48.5 | 92 | 32 |
| May 16 | 71.6 | 48.9 | 92 | 30 |
| May 17 | 72.1 | 49.3 | 94 | 32 |
| May 18 | 72.5 | 49.7 | 98 | 32 |
| May 19 | 72.8 | 50.1 | 98 | 29 |
| May 20 | 73.0 | 50.4 | 97 | 31 |
| May 21 | 73.3 | 50.7 | 93 | 33 |
| May 22 | 73.6 | 51.0 | 101 | 32 |
| May 23 | 73.9 | 51.3 | 93 | 31 |
| May 24 | 74.3 | 51.6 | 94 | 34 |
| May 25 | 74.6 | 52.0 | 92 | 29 |
| May 26 | 75.0 | 52.3 | 94 | 33 |
| May 27 | 75.5 | 52.8 | 97 | 32 |
| May 28 | 75.9 | 53.4 | 95 | 32 |
| May 29 | 76.3 | 53.8 | 101 | 29 |
| May 30 | 76.7 | 54.2 | 100 | 35 |
| May 31 | 76.9 | 54.6 | 108 | 32 |