Castries weather
Our guide to the weather in Castries during July
We've looked at the most up-to-date weather data for Castries, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Castries weather in July.
How warm is it in Castries during July?
The temperature is extremely stable in July with average highs of 29℃ and lows just 3℃ lower at 27℃. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Castries during July?
On average, there will be 6 rainy days during the month, amounting to 138.5mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, July will see just 2 days that produce a storm.
Is it windy in Castries during July?
Expect moderate breeze becoming stronger at times during July, with occasional gusts up to 20mph. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.
Weather in Castries
Our month-by-month guide to the weather and climate in Castries
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