Granby

What is the climate like in Granby?

The best time to visit Granby is typically September, the year's most comfortable month (6.6/10). Granby is warmest in July, when daily highs average 79°F (26°C), and coolest in January, when lows fall to about 12°F (-11°C). The wettest month is typically August and the driest is September; the year sees roughly 50 in (1277 mm) of precipitation.

• Best time to visitSeptember — the year's comfort peak (6.6/10)
• Warmest monthJuly — average high 79°F (26°C)
• Coolest monthJanuary — average low 12°F (-11°C)
• Wettest monthAugust (5.2 in (132 mm))
• Driest monthSeptember (2.9 in (74 mm))
• Annual precipitation50 in (1277 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGranby, 2 km away (1948-2023)