Rock Springs Climate: Weather by Month and Best Time to Visit
Best months for Rock Springs: August, June, July, September.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -3°C | -12°C | 18 mm | 5 | – | – | 4.4 |
| February | 0°C | -10°C | 18 mm | 5 | – | – | 4.4 |
| March | 6°C | -5°C | 29 mm | 7 | – | – | 5.1 |
| April | 12°C | -1°C | 41 mm | 10 | – | – | 5.9 |
| May | 18°C | 5°C | 42 mm | 9 | – | – | 7.3 |
| June | 25°C | 10°C | 20 mm | 5 | – | – | 8.4 |
| July | 29°C | 14°C | 12 mm | 4 | – | – | 8.4 |
| August | 28°C | 14°C | 13 mm | 4 | – | – | 8.6 |
| September | 23°C | 8°C | 22 mm | 5 | – | – | 8.4 |
| October | 14°C | 2°C | 27 mm | 6 | – | – | 7.0 |
| November | 5°C | -6°C | 20 mm | 6 | – | – | 5.0 |
| December | -2°C | -12°C | 18 mm | 6 | – | – | 4.3 |