Dumbarton

What is the climate like in Dumbarton?

The best time to visit Dumbarton is typically May, the year's most comfortable month (5.3/10). Dumbarton is warmest in July, when daily highs average 64°F (18°C), and coolest in January, when lows fall to about 36°F (2°C). The wettest month is typically October and the driest is April; the year sees roughly 57 in of precipitation.

• Best time to visitMay — the year's comfort peak (5.3/10)
• Warmest monthJuly — average high 64°F (18°C)
• Coolest monthJanuary — average low 36°F (2°C)
• Wettest monthOctober (6.3 in)
• Driest monthApril (2.7 in)
• Annual precipitation57 in