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When to go · Calais, Maine

Calais, Maine in May

Good month. Outside the best window (July–August (festival) and late spring (pleasant weather)). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.

Key facts

Verdict
Good
Temperature
18°C (64°F) / 6°C (43°F)
average high / low
Rain days
7
Crowds
Medium
United States overall
Prices
Medium
United States overall

Verdict

GoodUnited States month rating

Outside the best window (July–August (festival) and late spring (pleasant weather)). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.

Is another month better than May?

May is rated good. These months rate higher:

Weather in May

Long-term averages
  • Calais, MaineHighs around 18 °C (64 °F), lows around 6 °C (43 °F), rain on about 7 days

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Memorial Day big impact

    Last Monday of May · United States

    Start of summer; roads and beaches full.

Crowds and prices

Crowds · United States overall
Medium
Prices · United States overall
Medium

United States overall: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.

Compare two months

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

  • Verdict

    May: Good

    Jul: Great (better)

  • Daytime high

    May: 18 °C (64 °F)

    Jul: 27 °C (81 °F)

  • Night low

    May: 6 °C (43 °F)

    Jul: 15 °C (59 °F)

  • Rain days

    May: 7

    Jul: 5 (better)

  • Crowds

    May: Medium

    Jul: High

  • Prices

    May: Medium

    Jul: High

  • Festivals listed

    May: 1

    Jul: 1

May: Outside the best window (July–August (festival) and late spring (pleasant weather)). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.

July: Inside Calais, Maine's best window: July–August (festival) and late spring (pleasant weather).

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

What to pack

  • A warm layer for the evenings

Build the full packing list for your trip →

Across United States in May →