Climate almanac
Litchfield
Illinois, United States · 39.18°, -89.65°
What is the climate like in Litchfield?
The best time to visit Litchfield is typically August – October, with trip comfort peaking in September (7.3/10). Litchfield is warmest in July, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 24°F (-4°C). The wettest month is typically April and the driest is December; the year sees roughly 45 in (1135 mm) of precipitation.
- Best time to visitAugust – October — comfort peaks in September (7.3/10)
- Warmest monthJuly — average high 86°F (30°C)
- Coolest monthJanuary — average low 24°F (-4°C)
- Wettest monthApril (5.4 in (136 mm))
- Driest monthDecember (2.3 in (59 mm))
- Annual precipitation45 in (1135 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromHillsboro, 14 km away (1895-2026)