WhereItsSunny

Climate of Saint Lucia — Month by Month

Country-wide average for Saint Lucia. Part of Caribbean, America.

Located in Caribbean, America, Saint Lucia has a tropical climate. Country-wide average temperatures range from 26°C / 78.8°F in January to 28°C / 82.4°F in May, with annual rainfall totalling around 1970 mm / 77.6 in — driest in March (75 mm / 3 in), wettest in July (250 mm / 9.8 in). These are national averages; regional variation can be substantial, especially in geographically diverse countries. For city-level detail see the cities section below, and for state or province breakdowns follow the subdivisions link if available.

Best time to visit Saint Lucia →
See all 11 subdivisions side by side →

Sunny & HotSunny & WarmSunny & MildTropicalSnowy
MonthTemperatureRainfallMatches
January26°C78.8°F125 mm4.9″Tropical
February26°C78.8°F95 mm3.7″Tropical
March26.5°C79.7°F75 mm3″
April27°C80.6°F90 mm3.5″Tropical
May28°C82.4°F110 mm4.3″Tropical
June28°C82.4°F145 mm5.7″Tropical
July27.5°C81.5°F250 mm9.8″Tropical
August28°C82.4°F250 mm9.8″Tropical
September28°C82.4°F200 mm7.9″Tropical
October27.5°C81.5°F250 mm9.8″Tropical
November27°C80.6°F220 mm8.7″Tropical
December26.5°C79.7°F160 mm6.3″Tropical

Frequently asked questions

What is the best time to visit Saint Lucia?

Saint Lucia does not have a clear sunny-and-dry window by our cutoffs. The warmest month is May at 28°C / 82.4°F, and the driest is March at 75 mm / 3 in — likely your best travel window.

What is the climate of Saint Lucia?

Saint Lucia has country-wide monthly average temperatures ranging from 26°C / 78.8°F in January to 28°C / 82.4°F in May. Annual rainfall averages about 1970 mm / 77.6 in, with the wettest month being July (250 mm / 9.8 in) and the driest March (75 mm / 3 in). Regional variation within Saint Lucia can be significant — see subdivision or city pages for detail.

What is the hottest month in Saint Lucia?

The hottest month in Saint Lucia is May, with a country-wide average temperature of 28°C / 82.4°F.

What is the coldest month in Saint Lucia?

The coldest month in Saint Lucia is January, with a country-wide average temperature of 26°C / 78.8°F.

When does it rain most in Saint Lucia?

The wettest month in Saint Lucia is July, averaging about 250 mm / 9.8 in of rain. The driest is March with about 75 mm / 3 in.