St Lucia Climate Guides

The St Lucia Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

St Lucia Weather St Lucia Summary St Lucia Climate St Lucia Today St Lucia Forecast St Lucia When Best
St Lucia Weather St Lucia Summary St Lucia Climate St Lucia Today St Lucia Forecast St Lucia When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 28°C (82°F) Max Daytime Temperature in January in St Lucia (Castries) 28°C (82°F) Max Daytime Temperature in February in St Lucia (Castries) 28°C (82°F) Max Daytime Temperature in March in St Lucia (Castries) 29°C (84°F) Max Daytime Temperature in April in St Lucia (Castries) 30°C (86°F) Max Daytime Temperature in May in St Lucia (Castries) 30°C (86°F) Max Daytime Temperature in June in St Lucia (Castries) 30°C (86°F) Max Daytime Temperature in July in St Lucia (Castries) 30°C (86°F) Max Daytime Temperature in August in St Lucia (Castries) 30°C (86°F) Max Daytime Temperature in September in St Lucia (Castries) 30°C (86°F) Max Daytime Temperature in October in St Lucia (Castries) 29°C (84°F) Max Daytime Temperature in November in St Lucia (Castries) 28°C (82°F) Max Daytime Temperature in December in St Lucia (Castries)
Min Night-time Temperature (°C) 21°C (70°F) Min Night-time Temperature in January in St Lucia (Castries) 21°C (70°F) Min Night-time Temperature in February in St Lucia (Castries) 22°C (72°F) Min Night-time Temperature in March in St Lucia (Castries) 22°C (72°F) Min Night-time Temperature in April in St Lucia (Castries) 23°C (73°F) Min Night-time Temperature in May in St Lucia (Castries) 24°C (75°F) Min Night-time Temperature in June in St Lucia (Castries) 24°C (75°F) Min Night-time Temperature in July in St Lucia (Castries) 24°C (75°F) Min Night-time Temperature in August in St Lucia (Castries) 23°C (73°F) Min Night-time Temperature in September in St Lucia (Castries) 23°C (73°F) Min Night-time Temperature in October in St Lucia (Castries) 23°C (73°F) Min Night-time Temperature in November in St Lucia (Castries) 22°C (72°F) Min Night-time Temperature in December in St Lucia (Castries)
Hours of Sunshine (Daily) 8 Hours of Bright Sunshine per day (72% of Daylight Hours) in January in St Lucia (Castries) 8 Hours of Bright Sunshine per day (71% of Daylight Hours) in February in St Lucia (Castries) 8 Hours of Bright Sunshine per day (69% of Daylight Hours) in March in St Lucia (Castries) 8 Hours of Bright Sunshine per day (67% of Daylight Hours) in April in St Lucia (Castries) 8 Hours of Bright Sunshine per day (64% of Daylight Hours) in May in St Lucia (Castries) 8 Hours of Bright Sunshine per day (58% of Daylight Hours) in June in St Lucia (Castries) 8 Hours of Bright Sunshine per day (61% of Daylight Hours) in July in St Lucia (Castries) 8 Hours of Bright Sunshine per day (65% of Daylight Hours) in August in St Lucia (Castries) 8 Hours of Bright Sunshine per day (62% of Daylight Hours) in September in St Lucia (Castries) 7 Hours of Bright Sunshine per day (63% of Daylight Hours) in October in St Lucia (Castries) 8 Hours of Bright Sunshine per day (66% of Daylight Hours) in November in St Lucia (Castries) 8 Hours of Bright Sunshine per day (68% of Daylight Hours) in December in St Lucia (Castries)
Hours of Daylight (Daily) 11 Hours of Daylight in January in St Lucia (Castries) 12 Hours of Daylight in February in St Lucia (Castries) 12 Hours of Daylight in March in St Lucia (Castries) 12 Hours of Daylight in April in St Lucia (Castries) 13 Hours of Daylight in May in St Lucia (Castries) 13 Hours of Daylight in June in St Lucia (Castries) 13 Hours of Daylight in July in St Lucia (Castries) 13 Hours of Daylight in August in St Lucia (Castries) 12 Hours of Daylight in September in St Lucia (Castries) 12 Hours of Daylight in October in St Lucia (Castries) 11 Hours of Daylight in November in St Lucia (Castries) 11 Hours of Daylight in December in St Lucia (Castries)
Heat and Humidity Discomfort Moderate Heat & Humidity in January in St Lucia (Castries) Moderate Heat & Humidity in February in St Lucia (Castries) Moderate Heat & Humidity in March in St Lucia (Castries) Moderate Heat & Humidity in April in St Lucia (Castries) High Heat & Humidity in May in St Lucia (Castries) High Heat & Humidity in June in St Lucia (Castries) High Heat & Humidity in July in St Lucia (Castries) High Heat & Humidity in August in St Lucia (Castries) High Heat & Humidity in September in St Lucia (Castries) High Heat & Humidity in October in St Lucia (Castries) High Heat & Humidity in November in St Lucia (Castries) Moderate Heat & Humidity in December in St Lucia (Castries)
Days with some Rainfall 17 Days with some Rainfall in January in St Lucia (Castries) 12 Days with some Rainfall in February in St Lucia (Castries) 13 Days with some Rainfall in March in St Lucia (Castries) 11 Days with some Rainfall in April in St Lucia (Castries) 15 Days with some Rainfall in May in St Lucia (Castries) 18 Days with some Rainfall in June in St Lucia (Castries) 19 Days with some Rainfall in July in St Lucia (Castries) 19 Days with some Rainfall in August in St Lucia (Castries) 20 Days with some Rainfall in September in St Lucia (Castries) 17 Days with some Rainfall in October in St Lucia (Castries) 19 Days with some Rainfall in November in St Lucia (Castries) 18 Days with some Rainfall in December in St Lucia (Castries)
Monthly Rainfall (mm) 129 mm (5.1 inches) Monthly Rainfall in January in St Lucia (Castries) 98 mm (3.9 inches) Monthly Rainfall in February in St Lucia (Castries) 88 mm (3.5 inches) Monthly Rainfall in March in St Lucia (Castries) 100 mm (3.9 inches) Monthly Rainfall in April in St Lucia (Castries) 148 mm (5.8 inches) Monthly Rainfall in May in St Lucia (Castries) 181 mm (7.1 inches) Monthly Rainfall in June in St Lucia (Castries) 212 mm (8.3 inches) Monthly Rainfall in July in St Lucia (Castries) 260 mm (10.2 inches) Monthly Rainfall in August in St Lucia (Castries) 251 mm (9.9 inches) Monthly Rainfall in September in St Lucia (Castries) 261 mm (10.3 inches) Monthly Rainfall in October in St Lucia (Castries) 314 mm (12.4 inches) Monthly Rainfall in November in St Lucia (Castries) 173 mm (6.8 inches) Monthly Rainfall in December in St Lucia (Castries)
Chance of Ground Frost No Chance of Ground Frost in January in St Lucia (Castries) No Chance of Ground Frost in February in St Lucia (Castries) No Chance of Ground Frost in March in St Lucia (Castries) No Chance of Ground Frost in April in St Lucia (Castries) No Chance of Ground Frost in May in St Lucia (Castries) No Chance of Ground Frost in June in St Lucia (Castries) No Chance of Ground Frost in July in St Lucia (Castries) No Chance of Ground Frost in August in St Lucia (Castries) No Chance of Ground Frost in September in St Lucia (Castries) No Chance of Ground Frost in October in St Lucia (Castries) No Chance of Ground Frost in November in St Lucia (Castries) No Chance of Ground Frost in December in St Lucia (Castries)
UV Index (Maximum) UV (Maximum) Index 9 (Very High) in January in St Lucia (Castries) UV (Maximum) Index 11 (Extreme) in February in St Lucia (Castries) UV (Maximum) Index 11+ (Extreme) in March in St Lucia (Castries) UV (Maximum) Index 11+ (Extreme) in April in St Lucia (Castries) UV (Maximum) Index 11+ (Extreme) in May in St Lucia (Castries) UV (Maximum) Index 11+ (Extreme) in June in St Lucia (Castries) UV (Maximum) Index 11+ (Extreme) in July in St Lucia (Castries) UV (Maximum) Index 11+ (Extreme) in August in St Lucia (Castries) UV (Maximum) Index 11+ (Extreme) in September in St Lucia (Castries) UV (Maximum) Index 11 (Extreme) in October in St Lucia (Castries) UV (Maximum) Index 9 (Very High) in November in St Lucia (Castries) UV (Maximum) Index 8 (Very High) in December in St Lucia (Castries)
Sea Temperature (°C) 27°C (81°F) Sea Temperature in January in St Lucia (Castries) 26°C (79°F) Sea Temperature in February in St Lucia (Castries) 26°C (79°F) Sea Temperature in March in St Lucia (Castries) 27°C (81°F) Sea Temperature in April in St Lucia (Castries) 28°C (82°F) Sea Temperature in May in St Lucia (Castries) 28°C (82°F) Sea Temperature in June in St Lucia (Castries) 28°C (82°F) Sea Temperature in July in St Lucia (Castries) 28°C (82°F) Sea Temperature in August in St Lucia (Castries) 29°C (84°F) Sea Temperature in September in St Lucia (Castries) 29°C (84°F) Sea Temperature in October in St Lucia (Castries) 28°C (82°F) Sea Temperature in November in St Lucia (Castries) 27°C (81°F) Sea Temperature in December in St Lucia (Castries)
J F M A M J J A S O N D
St Lucia Holidays St Lucia Flights St Lucia Hotels St Lucia Hire Cars St Lucia Villas St Lucia Transfers
St Lucia Holidays St Lucia Flights St Lucia Hotels St Lucia Hire Cars St Lucia Villas St Lucia Transfers

The St Lucia Climate Guide shown above is based on the Castries Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in St Lucia with available Climate Guides.

  Anse la Raye   Cap Estate   Castries   Choc Bay   Grand Anse   Gros Islet   Marigot   Morgan Bay   Reduit Beach   Rodney Bay   Soufriere   Vieux Fort  

St Lucia Weather by Month
Check the weather for a particular month in St Lucia by selecting a month from the list below. Alternatively check which month usually has the Best Weather in St Lucia. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
Popular Climate Guide Regions

1.

Thailand

2.

Maldives

3.

Barbados

4.

Dominican Republic

5.

Cancun and Riviera Maya, Mexico

6.

Cuba

7.

Sri Lanka

8.

Antigua

9.

Goa, India

10.

Jamaica
Popular Climate Guide Destinations

1.

Cape Town, South Africa

2.

Mombasa, Kenya

3.

Sydney, New South Wales, Australia

4.

Bangkok, Thailand

5.

Male, Maldives

6.

Bridgetown, Barbados

7.

Santo Domingo, Dominican Republic

8.

Cancun, Cancun and Riviera Maya, Mexico

9.

Havana, Cuba

10.

Colombo, Sri Lanka

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