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When to go · Portsmouth, Rhode Island

Portsmouth, Rhode Island, month by month

The best months for Portsmouth, Rhode Island: May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb, Mar.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Jan–Mar (many seasonal sights closed, cold and windy).4 °C (39 °F) / -5 °C (23 °F), 10 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Jan–Mar (many seasonal sights closed, cold and windy).5 °C (41 °F) / -4 °C (25 °F), 9 rain daysCrowds: Low · 1 festival or holiday
  3. MarchAvoidListed as a month to avoid: Jan–Mar (many seasonal sights closed, cold and windy).9 °C (48 °F) / 0 °C (32 °F), 10 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGoodOutside the best window (May–Oct; Sep–Oct for warm water and no crowds). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.14 °C (57 °F) / 4 °C (39 °F), 11 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGreatInside Portsmouth, Rhode Island's best window: May–Oct; Sep–Oct for warm water and no crowds.19 °C (66 °F) / 9 °C (48 °F), 11 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Portsmouth, Rhode Island's best window: May–Oct; Sep–Oct for warm water and no crowds.24 °C (75 °F) / 14 °C (57 °F), 10 rain daysCrowds: High
  7. JulyGreatInside Portsmouth, Rhode Island's best window: May–Oct; Sep–Oct for warm water and no crowds.27 °C (81 °F) / 18 °C (64 °F), 9 rain daysCrowds: High · 1 festival or holiday
  8. AugustGreatInside Portsmouth, Rhode Island's best window: May–Oct; Sep–Oct for warm water and no crowds.27 °C (81 °F) / 18 °C (64 °F), 9 rain daysCrowds: High
  9. SeptemberGreatInside Portsmouth, Rhode Island's best window: May–Oct; Sep–Oct for warm water and no crowds.23 °C (73 °F) / 14 °C (57 °F), 8 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGreatInside Portsmouth, Rhode Island's best window: May–Oct; Sep–Oct for warm water and no crowds.17 °C (63 °F) / 8 °C (46 °F), 9 rain daysCrowds: Medium
  11. NovemberMixedOutside the best window (May–Oct; Sep–Oct for warm water and no crowds). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.12 °C (54 °F) / 3 °C (37 °F), 10 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberMixedOutside the best window (May–Oct; Sep–Oct for warm water and no crowds). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.6 °C (43 °F) / -2 °C (28 °F), 11 rain daysCrowds: High · 1 festival or holiday

Compare two months

Weather, crowds and prices for any two months in Portsmouth, Rhode Island, side by side.

  • Verdict

    May: Great

    Jun: Great

  • Daytime high

    May: 19 °C (66 °F)

    Jun: 24 °C (75 °F)

  • Night low

    May: 9 °C (48 °F)

    Jun: 14 °C (57 °F)

  • Rain days

    May: 11

    Jun: 10 (better)

  • Crowds

    May: Medium

    Jun: High

  • Prices

    May: Medium

    Jun: High

  • Festivals listed

    May: 1

    Jun: 0

May: Inside Portsmouth, Rhode Island's best window: May–Oct; Sep–Oct for warm water and no crowds.

June: Inside Portsmouth, Rhode Island's best window: May–Oct; Sep–Oct for warm water and no crowds.

Portsmouth, Rhode Island: figures are long-term averages from this guide, not a forecast.