South Orleans (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit South Orleans.
Climate overview of South Orleans
The climate in South Orleans, Massachusetts, United States of America, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to 4°C (39°F) in February.
The city receives considerable rain/snowfall, with around 1210 mm (48 in) annually. December is the wettest month. It has warm summers and cold winters. Sunshine peaks in July, when the city sees around 10.0 hours of sunshine per day.
South Orleans Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in South Orleans - and find the best time to visit.
Monthly Temperature in South Orleans
In South Orleans, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 26°C (79°F) in July to a chilly 4°C (39°F) in the coolest month, February.
Nights vary from 19°C (66°F) in July to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in South Orleans
South Orleans experiences significant rain/snowfall throughout the year, averaging 1210 mm (48 in) of precipitation annually. South Orleans offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (136 mm (5.4 in)) and the driest month August (72 mm (2.8 in)) is not too significant. For more details, please visit our South Orleans Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in South Orleans
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
Daily hours of sunshine
Best Time to Visit South Orleans
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July, August and September
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: February, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in South Orleans
What is the best time to visit South Orleans?
June, July, August and September typically offer the most optimal weather in South Orleans. In contrast, January, February, March, November and December tend to have less optimal conditions. South Orleans has warm summers and cold winters.
What temperatures can I expect in South Orleans?
Daytime highs range from 4°C (39°F) in February to 26°C (79°F) in July. Nighttime lows range from -4°C (25°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does South Orleans get?
Annual rainfall is around 1210 mm (48 in). December is the wettest month with 136 mm (5.4 in), while August is the driest with 72 mm (2.8 in).
How sunny is South Orleans?
South Orleans receives around 2,605 hours of sunshine per year. July is the sunniest month with 301 hours, while January is the cloudiest with just 147 hours. Overall, South Orleans enjoys abundant sunshine.
South Orleans 3-Day Forecast
South Orleans on the map
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