Climate almanac
Saint Johnsbury
Vermont, United States · 44.42°, -72.02°
What is the climate like in Saint Johnsbury?
The best time to visit Saint Johnsbury is typically August – September, with trip comfort peaking in August (6.5/10). Saint Johnsbury is warmest in July, when daily highs average 78°F (26°C), and coolest in January, when lows fall to about 11°F (-12°C). The wettest month is typically October and the driest is September; the year sees roughly 44 in (1130 mm) of precipitation.
- Best time to visitAugust – September — comfort peaks in August (6.5/10)
- Warmest monthJuly — average high 78°F (26°C)
- Coolest monthJanuary — average low 11°F (-12°C)
- Wettest monthOctober (4.7 in (118 mm))
- Driest monthSeptember (2.9 in (73 mm))
- Annual precipitation44 in (1130 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSaint Johnsbury, 0 km away (1894-2026)