Quick answer: the best months to play Whistling Straits are May, August & September, based on 10-year weather averages measured at the course in Kohler, WI.
Pete Dye’s faux-links along Lake Michigan plays dramatically different depending on the lake breeze — the same hole can need a wedge or a 5-iron on consecutive days. The season is short but spectacular, with fall colors framing the closing holes.
| Month | Avg High | Avg Low | Rainy Days | Avg Wind | Season |
|---|---|---|---|---|---|
| January | 30°F | 18°F | 13 | 13 mph | Off-season |
| February | 33°F | 17°F | 10 | 14 mph | Off-season |
| March | 43°F | 29°F | 15 | 14 mph | Off-season |
| April | 52°F | 36°F | 16 | 14 mph | Variable |
| May | 63°F | 47°F | 13 | 13 mph | Shoulder |
| June | 75°F | 58°F | 14 | 12 mph | Shoulder |
| July | 80°F | 64°F | 15 | 11 mph | Shoulder |
| August | 79°F | 63°F | 12 | 11 mph | Peak |
| September | 72°F | 58°F | 11 | 12 mph | Peak |
| October | 60°F | 46°F | 13 | 14 mph | Shoulder |
| November | 48°F | 34°F | 9 | 15 mph | Variable |
| December | 37°F | 25°F | 13 | 14 mph | Off-season |
Our playability scoring treats highs of 60–80°F as ideal, wind under 8 mph as calm, and fewer rainy days as more bookable mornings. January typically brings the most challenging weather at Whistling Straits.
Booked a tee time? Check the live golf weather score for Milwaukee, WI — the closest city we track to Whistling Straits — for today's playability rating, hourly wind, and the best tee time window.