Climate almanac
Sparta
Wisconsin, United States · 43.94°, -90.81°
What is the climate like in Sparta?
The best time to visit Sparta is typically September, the year's most comfortable month (6.6/10). Sparta is warmest in July, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 14°F (-10°C). The wettest month is typically June and the driest is January; the year sees roughly 38 in (972 mm) of precipitation.
- Best time to visitSeptember — the year's comfort peak (6.6/10)
- Warmest monthJuly — average high 82°F (28°C)
- Coolest monthJanuary — average low 14°F (-10°C)
- Wettest monthJune (4.6 in (117 mm))
- Driest monthJanuary (1.5 in (38 mm))
- Annual precipitation38 in (972 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSparta, 1 km away (1893-2024)