May weather forecast and climate
South Chatham, MA

Average temperature in May - South Chatham, MA
  • Average high temperature in May: 59°F

The warmest month (with the highest average high temperature) is July (74.9°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in May: 48.1°F

The month with the highest average low temperature is July (62.7°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

Average rainfall in May - South Chatham, MA
  • Average rainfall in May: 3.8"

The wettest month (with the highest rainfall) is March (4.9").
The driest month (with the lowest rainfall) is August (3.2").

Average rainfall days in May - South Chatham, MA
  • Average rainfall days in May: 11 days

The month with the highest number of rainy days is December (13 days).
Months with the lowest number of rainy days are July and August (8 days).

Average snowfall in May - South Chatham, MA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (10.3").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average daylight in May - South Chatham, MA
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

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