Which is the hottest month in Castries?

The hottest time of year in Castries is normally September. Expect maximum daytime temperatures to reach 30°C with very high heat and humidity.

Which month has the most rain in Castries?

In terms of rainfall, October is usually the wettest month in Castries with 269mm on average. There are normally 18 days in October with some rain.

When is it sunniest in Castries?

The sunniest time of year in Castries is normally January with bright sunshine on average for 72% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in Castries?

The sea is usually at its warmest in Castries in September when the water temperature reaches 29°C.

Best time to visit Castries

Q: When is the best time to visit Castries?

The best time to visit Castries is January and February based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Castries by month

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

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When is the best time to visit Castries?

The best time to visit Castries is January and February based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [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
3.5
Oct
4
Nov
4
Dec

Change criteria

Max Day Temperature (°C)

28
Jan
28
Feb
29
Mar
29
Apr
30
May
30
Jun
30
Jul
30
Aug
30
Sep
30
Oct
29
Nov
29
Dec

Hours of Sunshine (daily)

8
Jan
8
Feb
8
Mar
8
Apr
8
May
8
Jun
8
Jul
8
Aug
8
Sep
7
Oct
8
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 St Lucia (Castries) 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 / mm) | Imperial (°F / inches)