Groton Weather in June

In Groton, June brings high daytime temperatures around 24°C (75°F), with nights cooling to 15°C (59°F). Expect quite a bit of rainfall this month.

Rainfall in Groton in June

Expect around 13 days of rain based on historical data, with 113 mm (4.4 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Groton in June

Expect highs of 24°C (75°F) in Groton in June, with nights dropping to around 15°C (59°F). June is known for being in the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Groton in June

The month enjoys around 273 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer enjoying temperate temperatures and rain-free days, 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 June

Min Temperature 15°C (59°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 43%  

Precipitation 113 mm (4.4 in)  

Rainy days 13 days  

Humidity 67% *  

Sunshine 273 hours *  

Percentage Sunshine 60% *  

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

What to Wear in Groton in June

Pleasant temperatures in June mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. 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 June

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

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.