Best Time to Visit Casper: Month-by-Month Guide
Best months for Casper: August, September, June, July.
- Best months for Casper: August, September, June, July.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: September. Good weather without the busiest period.
- Wettest months: April, May, March.
- The least pleasant month is December (score 4.3).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -11°C | 20 mm | 6 | – | – | 4.4 |
| February | 0°C | -10°C | 25 mm | 5 | – | – | 4.4 |
| March | 7°C | -5°C | 37 mm | 7 | – | – | 5.2 |
| April | 11°C | -1°C | 59 mm | 11 | – | – | 5.7 |
| May | 18°C | 4°C | 69 mm | 11 | – | – | 6.9 |
| June | 25°C | 9°C | 34 mm | 7 | – | – | 8.2 |
| July | 30°C | 14°C | 19 mm | 5 | – | – | 8.2 |
| August | 29°C | 13°C | 14 mm | 4 | – | – | 8.6 |
| September | 23°C | 8°C | 29 mm | 6 | – | – | 8.3 |
| October | 14°C | 1°C | 45 mm | 7 | – | – | 6.7 |
| November | 5°C | -4°C | 27 mm | 6 | – | – | 5.3 |
| December | -1°C | -10°C | 23 mm | 6 | – | – | 4.3 |
Frequently asked questions
When is the best time to visit Casper?
The best months are August, September, June, July.
When is the rainy season in Casper?
The wettest months are April, May, March.