Groton Weather in March

During March, Groton experiences low daytime temperatures of 8°C (46°F) and cooler nights around -1°C (30°F). Expect quite a bit of snow/rainfall. Around 119 mm (4.7 in) is typical.

Rainfall in Groton in March

Typically, about 11 days will experience snow/rainfall, with an average of 119 mm (4.7 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Groton in March

If you're visiting Groton in March, expect highs of 8°C (46°F) and overnight lows around -1°C (30°F). Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Groton in March

Expect a lot of sunshine this month, with about 213 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.

March in Groton has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit the United States of America, check out our Groton's climate page.

Groton Temperature in March

Min Temperature -1°C (30°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 35%  

Precipitation 119 mm (4.7 in)  

Rainy days 11 days  

Humidity 60% *  

Sunshine 213 hours *  

Percentage Sunshine 58% *  

* Data from: Hartford, the United States of America (68 KM, 42 Miles).

What to Wear in Groton in March

Cold weather calls for smart layering in March. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Groton in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Groton's climate page.

More climate data for Groton

Temperature Rainfall Sunshine Humidity

See the full Groton climate overview or explore weather in the United States of America.