Cheyenne Climate: Weather by Month and Best Time to Visit
Best months for Cheyenne: September, August, July.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 4°C | -6°C | 13 mm | 4 | – | – | 5.2 |
| February | 5°C | -6°C | 18 mm | 5 | – | – | 5.3 |
| March | 11°C | -2°C | 36 mm | 7 | – | – | 6.1 |
| April | 14°C | 1°C | 60 mm | 10 | – | – | 6.4 |
| May | 19°C | 6°C | 78 mm | 13 | – | – | 6.9 |
| June | 25°C | 11°C | 54 mm | 10 | – | – | 7.7 |
| July | 29°C | 14°C | 40 mm | 9 | – | – | 7.9 |
| August | 28°C | 13°C | 37 mm | 8 | – | – | 8.0 |
| September | 24°C | 9°C | 37 mm | 6 | – | – | 8.3 |
| October | 16°C | 3°C | 39 mm | 7 | – | – | 7.2 |
| November | 9°C | -2°C | 22 mm | 4 | – | – | 6.1 |
| December | 4°C | -6°C | 17 mm | 4 | – | – | 5.1 |