Willow Swamp

Best time to visit Willow Swamp

Best months: July–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

1. Jan

   30° / 9°

   13 wet

2. Feb

   34° / 9°

   11 wet

3. Mar

   42° / 17°

   12 wet

4. Apr

   48° / 23°

   11 wet

5. May

   58° / 30°

   14 wet

6. Jun

   67° / 36°

   14 wet

7. Jul

   78° / 41°

   11 wet

8. Aug

   77° / 39°

   11 wet

9. Sep

   68° / 33°

   10 wet

10. Oct

    53° / 25°

    10 wet

11. Nov

    37° / 16°

    11 wet

12. Dec

    27° / 9°

    14 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Big Sky 2wnw, MT, 14.1 mi away at 6,590 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.