Climate almanac
West Frankfort
Illinois, United States · 37.90°, -88.93°
What is the climate like in West Frankfort?
The best time to visit West Frankfort is typically August – October, with trip comfort peaking in September (7.4/10). West Frankfort is warmest in July, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 29°F (-2°C). The wettest month is typically April and the driest is September; the year sees roughly 49 in (1239 mm) of precipitation.
- Best time to visitAugust – October — comfort peaks in September (7.4/10)
- Warmest monthJuly — average high 89°F (32°C)
- Coolest monthJanuary — average low 29°F (-2°C)
- Wettest monthApril (5.5 in (139 mm))
- Driest monthSeptember (2.8 in (71 mm))
- Annual precipitation49 in (1239 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromDu Quoin 4 Se, 25 km away (1898-2026)