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° / 24°
- 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.
Weather in July
- CastriesHighs around 31 °C, lows around 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 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.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast