Best time to fly to Copper Harbor
The most popular months for travelers to fly to Copper Harbor are June, July, and August, when peak temperatures in Copper Harbor can reach up to 62.2°F in August. If you prefer quieter travel, consider November, the least busy time to visit with temperatures around 36.5°F and typically the lowest average one-way fare (around $262), roughly 10% cheaper than the yearly average. Looking for additional cheaper months to fly? September, December, and January offer average one-way fares of around $274, making them good options for flexible travelers.
Month | Temperature | Precipitation | Cloudiness | Demand | Average one-way Fare |
| January | 20.3°F (-6.5°C) | No Rain (Dry) | Very Cloudy | Average | $276 |
| February | 18.0°F (-7.8°C) | No Rain (Dry) | Very Cloudy | Average | $282 |
| March | 26.4°F (-3.1°C) | Light Rain | Mostly Cloudy | Moderately Low | $356 |
| April | 34.0°F (1.1°C) | Light Rain | Mostly Cloudy | Average | $312 |
| May | 43.0°F (6.1°C) | Light Rain | Mostly Sunny | Average | $279 |
| June | 50.5°F (10.3°C) | Light Rain | Mostly Sunny | Moderately High | $296 |
| July | 58.5°F (14.7°C) | Light Rain | Mostly Sunny | Moderately High | $325 |
| August | 62.2°F (16.8°C) | Light Rain | Mostly Sunny | Moderately High | $280 |
| September | 57.9°F (14.4°C) | Light Rain | Mostly Sunny | Average | $272 |
| October | 46.9°F (8.3°C) | Light Rain | Mostly Cloudy | Average | $296 |
| November | 36.5°F (2.5°C) | Light Rain | Mostly Cloudy | Moderately Low | $262 |
| December | 27.5°F (-2.5°C) | Light Rain | Very Cloudy | Moderately Low | $276 |
*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.