Climate almanac
Newton
Iowa, United States · 41.70°, -93.05°
What is the climate like in Newton?
The best time to visit Newton is typically June – September, with trip comfort peaking in August (6.9/10). Newton is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 16°F (-9°C). The wettest month is typically May and the driest is February; the year sees roughly 38 in (970 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in August (6.9/10)
- Warmest monthJuly — average high 85°F (29°C)
- Coolest monthJanuary — average low 16°F (-9°C)
- Wettest monthMay (5.5 in (140 mm))
- Driest monthFebruary (1.4 in (36 mm))
- Annual precipitation38 in (970 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromNewton, 2 km away (1893-2024)