Hyannis Weather in May
In Hyannis, May brings pleasant daytime temperatures around 18°C (64°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.
Rainfall in Hyannis in May
Climate statistics over the past 30 years suggest around 12 days of rain, with 93 mm (3.7 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 May
Daytime temperatures in Hyannis reach 18°C (64°F) in May, dropping to 10°C (50°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Hyannis in May
The month enjoys around 261 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hyannis's climate page.
Hyannis Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
18°C (64°F)
Chance of Rain
39%
Precipitation
93 mm (3.7 in)
Rainy days
12 days
Sunshine
261 hours *
Percentage Sunshine
*
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Hyannis in May
Pleasant temperatures in May 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 Hyannis in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hyannis's climate page.
See the full Hyannis climate overview or explore weather in the United States of America.
