Alton

What is the climate like in Alton?

The best time to visit Alton is typically September – October, with trip comfort peaking in September (7.3/10). Alton is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically May and the driest is December; the year sees roughly 43 in of precipitation.

• Best time to visitSeptember – October — comfort peaks in September (7.3/10)
• Warmest monthJuly — average high 88°F (31°C)
• Coolest monthJanuary — average low 25°F (-4°C)
• Wettest monthMay (5.1 in)
• Driest monthDecember (2.2 in)
• Annual precipitation43 in