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When to go · Castries

Castries in December

Good month. Dry season begins; festive and busy from mid-month.

Key facts

Verdict
Good
Temperature
29°C (84°F) / 23°C (73°F)
average high / low
Rain days
18
Crowds
High
Saint Lucia overall
Prices
High
Saint Lucia overall

Verdict

GoodVoykit month rating for Castries

Dry season begins; festive and busy from mid-month.

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

Is another month better than December?

December is rated good. These months rate higher:

Weather in December

Long-term averages
  • CastriesHighs around 29 °C (84 °F), lows around 23 °C (73 °F), rain on about 18 days
  • North (Rodney Bay, Castries), Saint Lucia · Gros Islet, Rodney Bay, Castries, Marigot Bayfine

    Drier, flatter north; 26–31 °C (79–88 °F) with trade winds.

Dry season season

Reliable sun, busiest cruise-ship traffic, highest hotel prices.

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.

  • Cruise season builds

    From November · Harbour and market

    More ship days, busier mornings at the market and Pointe Seraphine.

  • Saint Lucia National Day and festive season check

    13 December, then Christmas–New Year · Citywide

    Flags, decorations and the year's busiest, priciest weeks.

  • Cruise ship days

    Nov–Apr (most days)

    The harbour and market are crowded from mid-morning.

  • National Day (Saint Lucy's Day)

    13 Dec · Saint Lucia

    Festival of lights in Castries.

  • Christmas and Boxing Day big impact

    25–26 Dec · Saint Lucia

    Peak prices.

Crowds and prices

Crowds · Saint Lucia overall
High
Prices · Saint Lucia overall
High

Saint Lucia overall: National Day 13 December; Christmas peak.

High-price month: see what to book ahead.

Compare two months

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

  • Verdict

    Dec: Good

    Jan: Great (better)

  • Daytime high

    Dec: 29 °C (84 °F)

    Jan: 29 °C (84 °F)

  • Night low

    Dec: 23 °C (73 °F)

    Jan: 22 °C (72 °F)

  • Rain days

    Dec: 18

    Jan: 16 (better)

  • Crowds

    Dec: High

    Jan: High

  • Prices

    Dec: High

    Jan: High

  • Festivals listed

    Dec: 5

    Jan: 1

December: Dry season begins; festive and busy from mid-month.

January: Dry season, warm and breezy; busiest and dearest.

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

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Saint Lucia in December →