|
Typical Janesville May Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 70.0 °F | |
| Average daily low | 47.7 °F | |
| Average monthly precipitation | 4.1 inches | |
| Average monthly snow | none | |
| Daily chance of precipitation | 42.5% | |
| Daily chance of snow | 0% | |
|
Janesville May Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 96 °F | May 28, 2018 |
| Lowest temperature | 17 °F | May 7, 1970 |
| Highest daily low | 72 °F | May 29, 2006 |
| Lowest daily high | 40 °F | May 1, 1994 |
| Hottest average high temperature | 81.7 °F | 1977 |
| Coldest average high temperature | 63.3 °F | 1996 |
| Most daily precipitation | 3.3 inches | May 10, 1948 |
| Most monthly precipitation | 7.4 inches | 2004 |
| Most daily snow | 2.0 inches | May 11, 1966 |
| Most monthly snow | 2.0 inches | 1966 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| May 1 | 64.1 | 42.0 | 89 | 28 |
| May 2 | 64.6 | 42.3 | 88 | 28 |
| May 3 | 64.9 | 42.7 | 88 | 29 |
| May 4 | 65.1 | 42.9 | 90 | 27 |
| May 5 | 65.4 | 43.2 | 90 | 30 |
| May 6 | 65.8 | 43.5 | 87 | 27 |
| May 7 | 66.3 | 43.9 | 85 | 17 |
| May 8 | 66.6 | 44.3 | 89 | 29 |
| May 9 | 67.1 | 44.8 | 91 | 27 |
| May 10 | 67.4 | 45.1 | 90 | 26 |
| May 11 | 67.7 | 45.5 | 92 | 31 |
| May 12 | 68.1 | 46.0 | 94 | 32 |
| May 13 | 68.6 | 46.4 | 93 | 32 |
| May 14 | 69.0 | 46.9 | 92 | 28 |
| May 15 | 69.5 | 47.3 | 90 | 33 |
| May 16 | 70.0 | 47.6 | 91 | 30 |
| May 17 | 70.5 | 48.0 | 91 | 35 |
| May 18 | 70.8 | 48.3 | 93 | 30 |
| May 19 | 71.3 | 48.7 | 95 | 33 |
| May 20 | 71.5 | 49.0 | 91 | 29 |
| May 21 | 71.8 | 49.3 | 92 | 30 |
| May 22 | 72.0 | 49.6 | 92 | 35 |
| May 23 | 72.3 | 49.8 | 90 | 32 |
| May 24 | 72.6 | 50.0 | 91 | 34 |
| May 25 | 72.9 | 50.4 | 94 | 34 |
| May 26 | 73.2 | 50.7 | 93 | 36 |
| May 27 | 73.6 | 51.1 | 95 | 30 |
| May 28 | 74.1 | 51.6 | 96 | 36 |
| May 29 | 74.5 | 52.0 | 94 | 35 |
| May 30 | 74.9 | 52.4 | 92 | 35 |
| May 31 | 75.3 | 52.8 | 92 | 36 |