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When to go · Saint Helena, Ascension and Tristan da Cunha

Saint Helena, Ascension and Tristan da Cunha in December

Great month. Christmas and the start of whale-shark season; flights and beds fill.

Key facts

Verdict
Great
Crowds
High
Saint Helena, Ascension and Tristan da Cunha
Prices
High
Saint Helena, Ascension and Tristan da Cunha

Verdict

GreatVoykit month rating for Saint Helena, Ascension and Tristan da Cunha

Christmas and the start of whale-shark season; flights and beds fill.

Is another month better than December?

No other month rates higher than December for Saint Helena, Ascension and Tristan da Cunha in this guide.

Weather in December

  • Saint Helena coast · Jamestown, Rupert's, Sandy Baybest weather

    Mild and dry in the rocky valleys, 20–28 °C (68–82 °F); cooler and breezier from June to October.

  • Saint Helena uplands · Longwood, Diana's Peak, Blue Hill, Levelwoodfine

    Cooler, misty and wetter at 500–800 m; bring a fleece all year.

  • Ascension · Georgetown, Green Mountainbest weather

    Hot, dry lava lowlands; cloud forest on Green Mountain.

  • Tristan da Cunha · Edinburgh of the Seven Seasfine

    Cool, windy and wet all year; ships cannot land in heavy swell.

  • Jamestown26 °C (79 °F) / 20 °C (68 °F), 3 rain days
  • Tristan da Cunha17 °C (63 °F) / 5 °C (41 °F), 11 rain 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.

  • Christmas and Boxing Day

    25–26 Dec

    Peak visitor season; shops close.

  • Whale shark season begins check

    About December to April · Jamestown

    Best time to snorkel with whale sharks; book with a licensed operator.

  • Christmas

    25 Dec · Jamestown

    Public holiday; shops close and flights fill.

Crowds and prices

Crowds · Saint Helena, Ascension and Tristan da Cunha
High
Prices · Saint Helena, Ascension and Tristan da Cunha
High

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in Saint Helena, Ascension and Tristan da Cunha, side by side.

  • Verdict

    Dec: Great

    Jan: Great

  • Crowds

    Dec: High

    Jan: High

  • Prices

    Dec: High

    Jan: High

  • Festivals listed

    Dec: 3

    Jan: 2

December: Christmas and the start of whale-shark season; flights and beds fill.

January: Peak season: warm, whale sharks in the bays, extra flights (check); book early.

Saint Helena, Ascension and Tristan da Cunha: figures are long-term averages from this guide, not a forecast.

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Where to go in December

Rated best or good this month

  • Saint Helena coast

    Best weather of the year (Jamestown, Rupert's, Sandy Bay)

  • Ascension

    Best weather of the year (Georgetown, Green Mountain)

  • Jamestown

    Warm; year-end visitors fill beds.

  • Tristan da Cunha

    Best months: Oct–Mar