Illinois · Lake fishing

Lake Piasa

Apr–Jun, Aug–Oct
best months

Lake Piasa is a 14-acre lake in Illinois, at about 584 feet.

  • Best time to go · Apr–Jun, Aug–Oct

    Best time to visit Lake Piasa

    Best months: April–June and August–October. 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

      36° / 19°

      8 wet

    2. Feb

      41° / 23°

      7 wet

    3. Mar

      52° / 32°

      9 wet

    4. Apr

      65° / 42°

      11 wet

    5. May

      74° / 54°

      12 wet

    6. Jun

      83° / 63°

      9 wet

    7. Jul

      87° / 66°

      8 wet

    8. Aug

      85° / 63°

      7 wet

    9. Sep

      79° / 55°

      7 wet

    10. Oct

      67° / 43°

      8 wet

    11. Nov

      53° / 33°

      9 wet

    12. Dec

      41° / 24°

      8 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Jerseyville 2 Sw, IL, 9.9 mi away at 630 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

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