Climate almanac
Troy
Missouri, United States · 38.98°, -90.98°
What is the climate like in Troy?
The best time to visit Troy is typically August – October, with trip comfort peaking in September (7.5/10). Troy is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically May and the driest is December; the year sees roughly 43 in (1099 mm) of precipitation.
- Best time to visitAugust – October — comfort peaks in September (7.5/10)
- Warmest monthJuly — average high 88°F (31°C)
- Coolest monthJanuary — average low 25°F (-4°C)
- Wettest monthMay (5.3 in (135 mm))
- Driest monthDecember (2.0 in (52 mm))
- Annual precipitation43 in (1099 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromWarrenton 1 N, 21 km away (1893-2021)