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)84°F (29°C) / 23°C (73°F)73°F (23°C)
- average high / low
- Rain days
- 18
- Crowds
- High
- Saint Lucia overall
- Prices
- High
- Saint Lucia overall
Verdict
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
- CastriesHighs around 29 °C (84 °F), lows around 23 °C (73 °F), rain on about 18 daysHighs around 84 °F (29 °C), lows around 73 °F (23 °C), 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.Drier, flatter north; 79–88 °F (26–31 °C) 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)84 °F (29 °C)
Jan: 29 °C (84 °F)84 °F (29 °C)
Night low
Dec: 23 °C (73 °F)73 °F (23 °C)
Jan: 22 °C (72 °F)72 °F (22 °C)
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