St Lucia climate guide

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.

The climate guide for St Lucia shown below is for Castries.

Temperature in St Lucia (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
Min temperature (night-time)
Sea temperature

Sunshine & Daylight in St Lucia

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight

Rainfall in St Lucia

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
Average monthly rainfall (mm)

More climate for St Lucia

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
Heat & Humidity

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Metric (°C / mm)  |  Imperial (°F / inches)

  • Save up to 60% on holidays to St Lucia with Sandals
  • Minimum stay of 5 nights. Blackout periods apply
  • Travel before 20th December 2018 (inclusive)

Expires at 23:59 on Sunday 30th April 2017 · View all Sandals offers

More about St Lucia

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

  • Save on long haul flights to destinations worldwide
  • Book flights to the USA, Caribbean, South Africa & India
  • Including Orlando, Cancun, Punta Cana, Cape Town & Goa

Back to top

St Lucia climate by month

Check St Lucia climate for a particular month by selecting from the list below. Monthly climate guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Back to top

More St Lucia destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

More destinations

Related posts

Popular travel offers

Top ^