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.