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When to go · Portland, Maine

Portland, Maine, month by month

The best months for Portland, Maine: Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb, Mar.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Jan–Mar (cold, ice, some seasonal closures).0 °C (32 °F) / -9 °C (16 °F), 11 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Jan–Mar (cold, ice, some seasonal closures).2 °C (36 °F) / -8 °C (18 °F), 9 rain daysCrowds: Low · 1 festival or holiday
  3. MarchAvoidListed as a month to avoid: Jan–Mar (cold, ice, some seasonal closures).6 °C (43 °F) / -3 °C (27 °F), 11 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGoodOutside the best window (Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.12 °C (54 °F) / 3 °C (37 °F), 11 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGoodOutside the best window (Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.18 °C (64 °F) / 8 °C (46 °F), 12 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Portland, Maine's best window: Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds.23 °C (73 °F) / 13 °C (55 °F), 11 rain daysCrowds: High
  7. JulyGreatInside Portland, Maine's best window: Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds.26 °C (79 °F) / 17 °C (63 °F), 10 rain daysCrowds: High · 1 festival or holiday
  8. AugustGreatInside Portland, Maine's best window: Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds.26 °C (79 °F) / 16 °C (61 °F), 9 rain daysCrowds: High
  9. SeptemberGreatInside Portland, Maine's best window: Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds.22 °C (72 °F) / 12 °C (54 °F), 9 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGreatInside Portland, Maine's best window: Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds.15 °C (59 °F) / 6 °C (43 °F), 10 rain daysCrowds: Medium
  11. NovemberMixedOutside the best window (Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.9 °C (48 °F) / 1 °C (34 °F), 11 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberMixedOutside the best window (Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.3 °C (37 °F) / -5 °C (23 °F), 11 rain daysCrowds: High · 1 festival or holiday

Compare two months

Weather, crowds and prices for any two months in Portland, Maine, side by side.

  • Verdict

    Jun: Great

    Jul: Great

  • Daytime high

    Jun: 23 °C (73 °F)

    Jul: 26 °C (79 °F)

  • Night low

    Jun: 13 °C (55 °F)

    Jul: 17 °C (63 °F)

  • Rain days

    Jun: 11

    Jul: 10 (better)

  • Crowds

    Jun: High

    Jul: High

  • Prices

    Jun: High

    Jul: High

  • Festivals listed

    Jun: 0

    Jul: 1

June: Inside Portland, Maine's best window: Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds.

July: Inside Portland, Maine's best window: Jun–Sep for warm weather and ferries; Sep–Oct for fewer crowds.

Portland, Maine: figures are long-term averages from this guide, not a forecast.