Sandwich (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sandwich.
Climate overview of Sandwich
Sandwich, Massachusetts, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to 4°C (39°F) in February.
With around 1312 mm (52 in) of annual rain/snowfall, Sandwich has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has warm summers and cold winters. The wettest month is December. The most sunshine falls in July, with an average of 10.0 hours of daily sunshine.
Sandwich Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sandwich - and find the best time to visit.
Monthly Temperature in Sandwich
Depending on the time of the year, temperatures range from comfortable to chilly in Sandwich. Average daytime temperatures reach a comfortable 27°C (81°F) in July. In February, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).
At night, temperatures range from around 18°C (64°F) in July to -6°C (21°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sandwich
Sandwich has a relatively rain/snowy climate with high precipitation levels, averaging 1312 mm (52 in) of rain/snowfall annually. Despite minor fluctuations, Sandwich enjoys fairly consistent precipitation throughout the year. In December, you can expect around 142 mm (5.6 in) of precipitation, while in August, Sandwich receives about 88 mm (3.5 in). For more details, please visit our Sandwich 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 Sandwich
Sandwich 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
Daily hours of sunshine
Best Time to Visit Sandwich
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: August and September
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: February, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Sandwich
What is the best time to visit Sandwich?
July and August typically offer the most optimal weather in Sandwich. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Sandwich has warm summers and cold winters.
What temperatures can I expect in Sandwich?
Daytime highs range from 4°C (39°F) in February to 27°C (81°F) in July. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Sandwich get?
Annual rainfall is around 1312 mm (52 in). December is the wettest month with 142 mm (5.6 in), while August is the driest with 88 mm (3.5 in).
How sunny is Sandwich?
Sandwich 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, Sandwich enjoys abundant sunshine.
Sandwich 3-Day Forecast
Sandwich (MA) 3-Day Forecast
Sandwich on the map
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