Hyannis Weather in October

October in Hyannis brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 9°C (48°F). Quite a bit of rainfall is expected, around 116 mm (4.6 in), so pack an umbrella.

Rainfall in Hyannis in October

Records from the past 30 years suggest around 12 days of rain, with 116 mm (4.6 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Hyannis in October

In October, Hyannis gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Hyannis in October

Enjoy a sunny month with about 205 hours of sunshine, the clear skies make Hyannis even more beautiful.

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.