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When to go · Castries

Castries in July

Mixed month. Hot, humid and stormy; storms can cancel ferries and small flights.

Key facts

Verdict
Mixed
Temperature
31°C (88°F) / 24°C (75°F)
average high / low
Rain days
21
Crowds
Medium
Saint Lucia overall
Prices
Medium
Saint Lucia overall

Verdict

MixedVoykit month rating for Castries

Hot, humid and stormy; storms can cancel ferries and small flights.

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

Is another month better than July?

July is rated mixed. These months rate higher:

Weather in July

Long-term averages
  • CastriesHighs around 31 °C (88 °F), lows around 24 °C (75 °F), rain on about 21 days
  • North (Rodney Bay, Castries), Saint Lucia · Gros Islet, Rodney Bay, Castries, Marigot Bayrainy

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

Wet / hurricane season season

Short daily showers, fewer visitors, lower prices, and real storm risk Aug–Oct — buy insurance with storm cover.

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.

  • Carnival check

    Usually July · Castries streets

    Parades, costume bands and road closures through the town centre; hotels fill.

  • Lucian Carnival big impact

    Mid-July (check) · Saint Lucia

    Parades in Castries; rooms fill.

Crowds and prices

Crowds · Saint Lucia overall
Medium
Prices · Saint Lucia overall
Medium

Saint Lucia overall: Carnival mid-July; wet and humid.

Compare two months

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

  • Verdict

    Jul: Mixed

    Jan: Great (better)

  • Daytime high

    Jul: 31 °C (88 °F)

    Jan: 29 °C (84 °F)

  • Night low

    Jul: 24 °C (75 °F)

    Jan: 22 °C (72 °F)

  • Rain days

    Jul: 21

    Jan: 16 (better)

  • Crowds

    Jul: Medium

    Jan: High

  • Prices

    Jul: Medium

    Jan: High

  • Festivals listed

    Jul: 2

    Jan: 1

July: Hot, humid and stormy; storms can cancel ferries and small flights.

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

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

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Saint Lucia in July →