Groton Weather in April

Groton in April averages 14°C (57°F) during the day and 4°C (39°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Groton in April

On average, there are about 11 days with rain during this month, averaging 96 mm (3.8 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Groton in April

Daytime highs in Groton in April reach 14°C (57°F), with nights around 4°C (39°F). Conditions are often most pleasant around the middle of the day. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Groton in April

Enjoy a sunny month with about 228 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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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 April

Min Temperature 4°C (39°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 37%  

Precipitation 96 mm (3.8 in)  

Rainy days 11 days  

Humidity 58% *  

Sunshine 228 hours *  

Percentage Sunshine 57% *  

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

What to Wear in Groton in April

The weather can be unpredictable in April, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Groton in April

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

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

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.