|
Typical Casper May Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 67.0 °F | |
| Average daily low | 37.5 °F | |
| Average monthly precipitation | 2.2 inches | |
| Average monthly snow | 2.6 inches | |
|
Casper May Weather Records 1900–2023 |
||
|---|---|---|
| Highest temperature | 99 °F | May 27, 1912 |
| Lowest temperature | 16 °F | May 12, 1953 |
| Highest daily low | 65 °F | May 29, 1934 |
| Lowest daily high | 29 °F | May 1, 1954 |
| Hottest average temperature | 11.6 °F above average |
1934 |
| Coldest average temperature | -6.3 °F below average |
2019 |
| Most daily precipitation | 2.2 inches | May 17, 2000 |
| Most monthly precipitation | 6.5 inches | 1978 |
| Most daily snow | 14.0 inches | May 11, 1922 |
| Most monthly snow | 24.6 inches | 1978 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| May 1 | 61.2 | 32.5 | 81 | 17 |
| May 2 | 61.6 | 32.8 | 82 | 17 |
| May 3 | 62.0 | 33.1 | 83 | 17 |
| May 4 | 62.6 | 33.5 | 85 | 24 |
| May 5 | 62.9 | 33.8 | 88 | 20 |
| May 6 | 63.3 | 34.2 | 87 | 20 |
| May 7 | 63.7 | 34.5 | 89 | 21 |
| May 8 | 63.9 | 34.8 | 87 | 18 |
| May 9 | 64.2 | 35.1 | 87 | 18 |
| May 10 | 64.5 | 35.5 | 85 | 20 |
| May 11 | 64.9 | 35.9 | 85 | 17 |
| May 12 | 65.3 | 36.2 | 87 | 16 |
| May 13 | 65.7 | 36.6 | 88 | 22 |
| May 14 | 66.2 | 36.9 | 89 | 22 |
| May 15 | 66.7 | 37.3 | 87 | 26 |
| May 16 | 67.2 | 37.6 | 89 | 25 |
| May 17 | 67.6 | 38.0 | 99 | 28 |
| May 18 | 68.0 | 38.4 | 93 | 28 |
| May 19 | 68.4 | 38.6 | 94 | 27 |
| May 20 | 68.7 | 39.0 | 89 | 24 |
| May 21 | 69.0 | 39.3 | 89 | 26 |
| May 22 | 69.4 | 39.5 | 93 | 22 |
| May 23 | 70.0 | 39.9 | 97 | 28 |
| May 24 | 70.4 | 40.3 | 93 | 26 |
| May 25 | 70.9 | 40.6 | 89 | 27 |
| May 26 | 71.5 | 41.0 | 91 | 29 |
| May 27 | 71.9 | 41.3 | 99 | 30 |
| May 28 | 72.2 | 41.6 | 92 | 29 |
| May 29 | 72.6 | 41.9 | 95 | 30 |
| May 30 | 72.9 | 42.1 | 97 | 29 |
| May 31 | 73.2 | 42.2 | 91 | 27 |