Climate almanac
Rexburg
Idaho, United States · 43.83°, -111.79°
What is the climate like in Rexburg?
The best time to visit Rexburg is typically June – September, with trip comfort peaking in July (9.0/10). Rexburg is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 16°F (-9°C). The wettest month is typically May and the driest is July; the year sees roughly 20 in (503 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in July (9.0/10)
- Warmest monthJuly — average high 88°F (31°C)
- Coolest monthJanuary — average low 16°F (-9°C)
- Wettest monthMay (2.4 in (60 mm))
- Driest monthJuly (0.3 in (8 mm))
- Annual precipitation20 in (503 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSugar City, 8 km away (1907-2026)