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

The temperature in South Wellfleet can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also experiences much rain/snowfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to South Wellfleet can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 27°C in July. In February, the coolest month of the year, temperatures drop to a chilly 4°C.

At night, you can expect cooler temperatures, with averages dropping to around -4°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

South Wellfleet is known for its substantial rain/snowfall, with annual precipitation reaching 1196 mm. South Wellfleet experiences moderate seasonal variation in rainfall, with monthly averages ranging from 131 mm in December, the wettest month, and 72 mm in August, the driest month.

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

Sunshine over the year

South Wellfleet can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.0 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 4.9 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Nantucket, the United States of America (71 KM, 44 Miles).

Daily hours of sunshine

Data from: Nantucket, the United States of America (71 KM, 44 Miles).

Forecast for South Wellfleet (MA)

Sun   Dec 22
-4°C | -7°C
NW 11 m/s
3.1 mm
overcast and  chance of snow

overcast and chance of snow

Mon   Dec 23
1°C | -6°C
SW 5 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Dec 24
5°C | 0°C
N 4 m/s
0.8 mm
overcast and slight rain

overcast and slight rain

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

During the months of June, 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 Wellfleet?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in South Wellfleet?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in South Wellfleet?
    December tops the wettest month list with 131 mm of rainfall.
  • Which is the driest month in South Wellfleet?
    August is the driest month with 72 mm of precipitation.
  • Which is the sunniest month in South Wellfleet?
    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.