Harrison Lake

Best time to visit Harrison Lake

Best months: March–June and September–November. 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

   41° / 22°

   8 wet

2. Feb

   46° / 25°

   7 wet

3. Mar

   56° / 34°

   10 wet

4. Apr

   68° / 44°

   11 wet

5. May

   76° / 54°

   11 wet

6. Jun

   85° / 63°

   9 wet

7. Jul

   88° / 67°

   8 wet

8. Aug

   87° / 65°

   7 wet

9. Sep

   81° / 57°

   6 wet

10. Oct

    70° / 46°

    7 wet

11. Nov

    56° / 35°

    8 wet

12. Dec

    45° / 27°

    8 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Festus, MO, 2.2 mi away at 600 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.