When to go · Hyannis
Hyannis, month by month
The best months for Hyannis: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Mar, Oct.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Mar (many businesses closed, ferries reduced); hurricane season peaks Aug–Oct.4 °C (39 °F) / -4 °C (25 °F), 10 rain days39 °F (4 °C) / 25 °F (-4 °C), 10 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Mar (many businesses closed, ferries reduced); hurricane season peaks Aug–Oct.4 °C (39 °F) / -4 °C (25 °F), 9 rain days39 °F (4 °C) / 25 °F (-4 °C), 9 rain daysCrowds: Low · 1 festival or holiday
- MarchAvoidListed as a month to avoid: Jan–Mar (many businesses closed, ferries reduced); hurricane season peaks Aug–Oct.7 °C (45 °F) / -1 °C (30 °F), 10 rain days45 °F (7 °C) / 30 °F (-1 °C), 10 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.12 °C (54 °F) / 4 °C (39 °F), 10 rain days54 °F (12 °C) / 39 °F (4 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Hyannis's best window: Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices.17 °C (63 °F) / 9 °C (48 °F), 10 rain days63 °F (17 °C) / 48 °F (9 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Hyannis's best window: Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices.22 °C (72 °F) / 14 °C (57 °F), 9 rain days72 °F (22 °C) / 57 °F (14 °C), 9 rain daysCrowds: High
- JulyGreatInside Hyannis's best window: Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices.26 °C (79 °F) / 18 °C (64 °F), 8 rain days79 °F (26 °C) / 64 °F (18 °C), 8 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Hyannis's best window: Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices.26 °C (79 °F) / 18 °C (64 °F), 8 rain days79 °F (26 °C) / 64 °F (18 °C), 8 rain daysCrowds: High
- SeptemberGreatInside Hyannis's best window: Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices.22 °C (72 °F) / 14 °C (57 °F), 8 rain days72 °F (22 °C) / 57 °F (14 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberAvoidListed as a month to avoid: Jan–Mar (many businesses closed, ferries reduced); hurricane season peaks Aug–Oct.17 °C (63 °F) / 9 °C (48 °F), 9 rain days63 °F (17 °C) / 48 °F (9 °C), 9 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.12 °C (54 °F) / 4 °C (39 °F), 10 rain days54 °F (12 °C) / 39 °F (4 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.7 °C (45 °F) / -1 °C (30 °F), 11 rain days45 °F (7 °C) / 30 °F (-1 °C), 11 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Hyannis, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 17 °C (63 °F)63 °F (17 °C)
Jun: 22 °C (72 °F)72 °F (22 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Jun: 14 °C (57 °F)57 °F (14 °C)
Rain days
May: 10
Jun: 9 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 1
Jun: 0
May: Inside Hyannis's best window: Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices.
June: Inside Hyannis's best window: Jun–Sep for ferries, beaches and whale watches; late May and September for lower prices.
Hyannis: figures are long-term averages from this guide, not a forecast.