Climate almanac
Preston
Idaho, United States · 42.10°, -111.88°
What is the climate like in Preston?
The best time to visit Preston is typically June – September, with trip comfort peaking in July (9.0/10). Preston is warmest in July, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 17°F (-9°C). The wettest month is typically January and the driest is July; the year sees roughly 20 in (511 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in July (9.0/10)
- Warmest monthJuly — average high 89°F (32°C)
- Coolest monthJanuary — average low 17°F (-9°C)
- Wettest monthJanuary (2.6 in (66 mm))
- Driest monthJuly (0.3 in (8 mm))
- Annual precipitation20 in (511 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromPreston, 1 km away (1964-2026)