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When to go · Jamestown

Jamestown in May

Good month. Mild, some cloud.

Key facts

Verdict
Good
Temperature
25°C (77°F) / 19°C (66°F)
average high / low
Rain days
3
Crowds
Low
Saint Helena, Ascension and Tristan da Cunha overall
Prices
Medium
Saint Helena, Ascension and Tristan da Cunha overall

Verdict

GoodVoykit month rating for Jamestown

Mild, some cloud.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than May?

May is rated good. These months rate higher:

Weather in May

Long-term averages
  • JamestownHighs around 25 °C (77 °F), lows around 19 °C (66 °F), rain on about 3 days
  • Mild and dry in the rocky valleys, 20–28 °C (68–82 °F); cooler and breezier from June to October.

Autumn season

Mild, clear days; good hiking.

Watch: Cooler evenings; check flight patterns.

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.

  • Saint Helena Day

    21 May · Island-wide

    A public holiday with events; shops close.

Crowds and prices

Crowds · Saint Helena, Ascension and Tristan da Cunha overall
Low
Prices · Saint Helena, Ascension and Tristan da Cunha overall
Medium

Saint Helena, Ascension and Tristan da Cunha overall: Cooler uplands; 21 May Saint Helena Day.

Compare two months

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

  • Verdict

    May: Good

    Jan: Great (better)

  • Daytime high

    May: 25 °C (77 °F)

    Jan: 27 °C (81 °F)

  • Night low

    May: 19 °C (66 °F)

    Jan: 21 °C (70 °F)

  • Rain days

    May: 3

    Jan: 3

  • Crowds

    May: Low

    Jan: High

  • Prices

    May: Medium

    Jan: High

  • Festivals listed

    May: 1

    Jan: 1

May: Mild, some cloud.

January: Warm; whale-shark season roughly Dec to Apr.

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

What to pack

Nothing unusual for the weather this month.

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Across Saint Helena, Ascension and Tristan da Cunha in May →