Climate almanac
Paris
Illinois, United States · 39.61°, -87.70°
What is the climate like in Paris?
The best time to visit Paris is typically August – October, with trip comfort peaking in September (7.4/10). Paris is warmest in July, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically July and the driest is September; the year sees roughly 46 in (1161 mm) of precipitation.
- Best time to visitAugust – October — comfort peaks in September (7.4/10)
- Warmest monthJuly — average high 86°F (30°C)
- Coolest monthJanuary — average low 25°F (-4°C)
- Wettest monthJuly (5.5 in (139 mm))
- Driest monthSeptember (2.7 in (68 mm))
- Annual precipitation46 in (1161 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromParis Stp, 3 km away (1893-2026)