Groton Weather in October

Groton in October sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 8°C (46°F). Rainfall is fairly high at around 107 mm (4.2 in) on average, so pack waterproofs just in case.

Rainfall in Groton in October

Climate statistics over the past 30 years suggest around 13 days of rain, with 107 mm (4.2 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Groton in October

October in Groton brings typical temperatures with highs around 18°C (64°F) and lows of 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Groton in October

With approximately 199 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.