Best time to fly to Grassy Butte
The most popular months for travelers to fly to Grassy Butte are January, March, and April, when peak temperatures in Grassy Butte can reach up to 41°F in April. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 30.9°F. For better deals, August usually offers the lowest average one-way fare around $288, roughly 12% cheaper than the yearly average. Looking for additional cheaper months to fly? November, October, and June offer average one-way fares roughly ranging from $291 to $304, making them good options for flexible travelers.
Month | Temperature | Precipitation | Cloudiness | Demand | Average one-way Fare |
| January | 15.3°F (-9.3°C) | No Rain (Dry) | Mostly Cloudy | Moderately High | $369 |
| February | 15.3°F (-9.3°C) | No Rain (Dry) | Mostly Cloudy | Average | $349 |
| March | 29.5°F (-1.4°C) | No Rain (Dry) | Mostly Cloudy | Moderately High | $383 |
| April | 41.0°F (5.0°C) | No Rain (Dry) | Mostly Sunny | Moderately High | $364 |
| May | 55.0°F (12.8°C) | Light Rain | Mostly Sunny | Moderately Low | $315 |
| June | 65.3°F (18.5°C) | Light Rain | Mostly Sunny | Average | $304 |
| July | 72.3°F (22.4°C) | Light Rain | Sunny | Average | $329 |
| August | 71.1°F (21.7°C) | Light Rain | Sunny | Average | $288 |
| September | 62.1°F (16.7°C) | Light Rain | Sunny | Average | $317 |
| October | 45.3°F (7.4°C) | No Rain (Dry) | Mostly Sunny | Average | $301 |
| November | 30.9°F (-0.6°C) | No Rain (Dry) | Mostly Sunny | Moderately Low | $291 |
| December | 17.6°F (-8.0°C) | No Rain (Dry) | Mostly Cloudy | Moderately Low | $362 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.