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State park

Red Hills State Park

Illinois

About

Red Hills State Park covers 964 acres in southern Illinois, about 1.8 miles from the town of Sumner. The land is managed by the State Department of Natural Resources. The most comfortable months for a visit are spring and fall. Typical averages from a nearby weather station in Lawrenceville show October highs around 69°F with lows near 44°F, while May runs about 77°F by day and 54°F at night. Midsummer is the warmest stretch, with July highs averaging 88°F. Paddlers can find Muddy Creek about 2 miles away, and Raccoon Creek lies roughly 9.5 miles from the park.

Park size

964 acres

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Location

Red Hills State Park

Illinois

Data source: USGS PAD-US 4.1 (Protected Areas Database, public domain)

Facts about this place

When to go

Best time to go: Apr–May. The mildest months here, with typical highs of 67–77°F and lows of 43–54°F.

Typical monthly averages (not a forecast) from the Lawrenceville 2wsw, IL weather station, 6.2 mi away. High / low in °F.

  1. Jan39° high21° low
  2. Feb44° high24° low
  3. Mar55° high33° low
  4. Apr67° high43° low
  5. May77° high54° low
  6. Jun86° high63° low
  7. Jul88° high66° low
  8. Aug87° high63° low
  9. Sep82° high56° low
  10. Oct69° high44° low
  11. Nov55° high34° low
  12. Dec44° high26° low

Source: NOAA NCEI U.S. Climate Normals 1991–2020

Where it is

  • Red Hills State Park · State park
Nearest town
Sumner, Illinois · 1.8 mi
Managed by
State Department of Natural Resources

Source: USGS PAD-US 4.1; USGS GNIS populated places

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)

Best time to visit Red Hills State Park

Best months: March–May 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

    39° / 21°

    10 wet

  2. Feb

    44° / 24°

    9 wet

  3. Mar

    55° / 33°

    10 wet

  4. Apr

    67° / 43°

    10 wet

  5. May

    77° / 54°

    11 wet

  6. Jun

    86° / 63°

    10 wet

  7. Jul

    88° / 66°

    8 wet

  8. Aug

    87° / 63°

    7 wet

  9. Sep

    82° / 56°

    7 wet

  10. Oct

    69° / 44°

    8 wet

  11. Nov

    55° / 34°

    9 wet

  12. Dec

    44° / 26°

    10 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Lawrenceville 2wsw, IL, 6.2 mi away at 451 ft. We don't have this place's elevation, so higher spots nearby can run cooler. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.