May weather forecast and Climate
Northampton, MA US

• Average high temperature in May: 20.6°C

Warmest month (with highest average high temperature) is July (27.8°C).
Month with lowest average high temperature is January (0.6°C).

• Average low temperature in May: 7.2°C

Month with highest average low temperature is July (15°C).
Coldest month (with lowest average low temperature) is January (-10.6°C).

• Average rainfall in May: 105.2mm

Wettest month (with highest rainfall) is October (117.9mm).
Driest month (with lowest rainfall) is February (82mm).