|
Typical Mason City May Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 69.8 °F | |
| Average daily low | 47.0 °F | |
| Average monthly precipitation | 5.1 inches | |
| Average monthly snow | 0.3 inches | |
| Daily chance of precipitation | 44.1% | |
| Daily chance of snow | 0.22% | |
|
Mason City May Weather Records 1893–2024 |
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|---|---|---|
| Highest temperature | 104 °F | May 31, 1934 |
| Lowest temperature | 22 °F | May 3, 2005 |
| Highest daily low | 73 °F | May 29, 1942 |
| Lowest daily high | 33 °F | May 3, 2013 |
| Hottest average high temperature | 83.1 °F | 1934 |
| Coldest average high temperature | 62.9 °F | 1935 |
| Most daily precipitation | 4.6 inches | May 21, 2004 |
| Most monthly precipitation | 12.9 inches | 2004 |
| Most daily snow | 6.0 inches | May 2, 2013 |
| Most monthly snow | 9.5 inches | 2013 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| May 1 | 64.0 | 40.9 | 93 | 25 |
| May 2 | 64.5 | 41.3 | 89 | 25 |
| May 3 | 64.7 | 41.6 | 91 | 22 |
| May 4 | 65.2 | 41.9 | 90 | 24 |
| May 5 | 65.7 | 42.3 | 91 | 24 |
| May 6 | 66.1 | 42.6 | 95 | 25 |
| May 7 | 66.4 | 43.1 | 89 | 26 |
| May 8 | 66.7 | 43.5 | 91 | 27 |
| May 9 | 67.0 | 44.0 | 91 | 23 |
| May 10 | 67.3 | 44.4 | 94 | 25 |
| May 11 | 67.6 | 44.8 | 93 | 25 |
| May 12 | 68.1 | 45.3 | 94 | 26 |
| May 13 | 68.5 | 45.8 | 91 | 25 |
| May 14 | 68.9 | 46.2 | 99 | 30 |
| May 15 | 69.4 | 46.6 | 91 | 28 |
| May 16 | 69.9 | 47.1 | 91 | 26 |
| May 17 | 70.3 | 47.5 | 94 | 28 |
| May 18 | 70.7 | 47.9 | 97 | 31 |
| May 19 | 71.0 | 48.3 | 97 | 27 |
| May 20 | 71.3 | 48.5 | 96 | 28 |
| May 21 | 71.6 | 48.8 | 93 | 30 |
| May 22 | 71.9 | 49.1 | 100 | 29 |
| May 23 | 72.2 | 49.5 | 90 | 30 |
| May 24 | 72.6 | 49.9 | 92 | 32 |
| May 25 | 73.0 | 50.2 | 94 | 29 |
| May 26 | 73.5 | 50.6 | 93 | 31 |
| May 27 | 73.9 | 51.2 | 98 | 32 |
| May 28 | 74.4 | 51.7 | 97 | 32 |
| May 29 | 74.7 | 52.0 | 98 | 31 |
| May 30 | 75.1 | 52.4 | 98 | 31 |
| May 31 | 75.3 | 52.8 | 104 | 35 |