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World Weather & Climate Information

Average monthly weather in Castries, Saint Lucia

What's the best time to go to Castries in Saint Lucia? Here are some annual weather facts we collected from our historical climate data:
  • On average, the temperatures are always high.
  • A lot of rain (rainy season) falls in the months: January, May, June, July, August, September, October, November and December.
  • On average, the warmest month is August.
  • On average, the coolest month is January.
  • December is the wettest month. This month should be avoided if you don't like too much rain.
  • April is the driest month.
Do these climate conditions match with when you want to go to Castries in Saint Lucia? Get a great hotel deal here.

For more information, see the weather forecast and our average climate infomation (by month in graphs) below.

* Data from nearest weather station: Saint Lucia, Saint Lucia (4.1 KM).
10 Day Weather Forecast 

Average minimum and maximum temperature over the year

The monthly mean minimum and maximum daily temperature. Show in Fahrenheit »
Average min and max temperatures in Saint Lucia, Saint Lucia   Copyright © 2017 www.weather-and-climate.com
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Average monthly precipitation over the year (rainfall, snow)

This is the mean monthly precipitation, including rain, snow, hail etc. Show in Inches »
Average precipitation (rain/snow) in Saint Lucia, Saint Lucia   Copyright © 2017 www.weather-and-climate.com
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Average monthly rainy days over the year

This is the number of days each month with rain, snow, hail etc.
Average rainy days (rain/snow) in Saint Lucia, Saint Lucia   Copyright © 2017 www.weather-and-climate.com
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Average humidity over the year

This is the mean monthly relative humidity
Average relative humidity in Saint Lucia, Saint Lucia   Copyright © 2017 www.weather-and-climate.com
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Weather Forecast for Castries

Show in Fahrenheit
THU
Partly cloudy
29°C
25°C
FRI
Sunny
29°C
25°C
SAT
Patchy rain possible
30°C
26°C