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South Orleans (MA) Weather and Climate: A Comprehensive Guide

The climate in South Orleans is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In South Orleans, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 26°C in July to a chilly 4°C in the coolest month, February.

Nights are cooler, with lows often dropping to around -4°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

South Orleans experiences significant rain/snowfall throughout the year, averaging 1210 mm of precipitation annually. South Orleans offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between December (136 mm) and August (72 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, South Orleans serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.0 hours of sunshine daily, and embrace the darker days in January, offering only 4.9 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Nantucket, the United States of America (52 KM, 32 Miles).

Daily hours of sunshine

Data from: Nantucket, the United States of America (52 KM, 32 Miles).

Forecast for South Orleans (MA)

Sun   Dec 22
-4°C | -8°C
NW 6 m/s
2.4 mm
overcast and  chance of snow

overcast and chance of snow

Mon   Dec 23
1°C | -6°C
SW 3 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Dec 24
6°C | 0°C
NW 3 m/s
0.7 mm
overcast and slight rain

overcast and slight rain

The best time of year to visit South Orleans in the United States of America

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in South Orleans?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in South Orleans?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in South Orleans?
    December tops the wettest month list with 136 mm of rainfall.
  • Which is the driest month in South Orleans?
    August is the driest month with 72 mm of precipitation.
  • Which is the sunniest month in South Orleans?
    July is the sunniest month with an average of 301 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.