Which is the hottest month in St Lucia?

The hottest time of year in St Lucia is normally January. Expect maximum daytime temperatures to reach 29°C with high heat and humidity.

Which month has the most rain in St Lucia?

In terms of rainfall, January is usually the wettest month in St Lucia with 148mm on average. There are normally 12 days in January with some rain.

When is it sunniest in St Lucia?

The sunniest time of year in St Lucia is normally July with bright sunshine on average for 74% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in St Lucia?

The sea is usually at its warmest in St Lucia in February when the water temperature reaches 27°C.

Best time to visit St Lucia

Q: When is the best time to visit St Lucia?

The best time to visit St Lucia is May, June, July, August and December based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Find the best time to visit St Lucia and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

St Lucia by month

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

Recommended for South Africa

Avalon Waterways: Current offers on 2025 river cruises

Sale

Save on river cruises in 2025 with Avalon Waterways
Book river cruises in Europe, Asia, Africa & Americas
Filter deals by promotion, month, destination & more

Go to Avalon Waterways deal >>

Expires at 23:59 on Wednesday 31st Dec 2025 · View all Avalon Waterways offers

When is the best time to visit St Lucia?

The best time to visit St Lucia is May, June, July, August and December based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
4
Feb
4
Mar
4
Apr
4
May
4
Jun
4
Jul
4
Aug
4
Sep
4
Oct
4
Nov
4
Dec

Change criteria

Max Day Temperature (°F)

84
Jan
84
Feb
84
Mar
81
Apr
77
May
73
Jun
73
Jul
75
Aug
75
Sep
77
Oct
79
Nov
82
Dec

Hours of Sunshine (daily)

8
Jan
8
Feb
8
Mar
7
Apr
8
May
8
Jun
8
Jul
8
Aug
7
Sep
7
Oct
7
Nov
8
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for South Africa (St Lucia) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)