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)88°F (31°C) / 24°C (75°F)75°F (24°C)
- average high / low
- Rain days
- 21
- Crowds
- Medium
- Saint Lucia overall
- Prices
- Medium
- Saint Lucia overall
Verdict
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
- CastriesHighs around 31 °C (88 °F), lows around 24 °C (75 °F), rain on about 21 daysHighs around 88 °F (31 °C), lows around 75 °F (24 °C), 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.Drier, flatter north; 79–88 °F (26–31 °C) 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)88 °F (31 °C)
Jan: 29 °C (84 °F)84 °F (29 °C)
Night low
Jul: 24 °C (75 °F)75 °F (24 °C)
Jan: 22 °C (72 °F)72 °F (22 °C)
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