St Kitts and Nevis weather

Our guide to the weather in St Kitts and Nevis during May

27

Average high

6

UV Index

106mm

Monthly rainfall

28

Sea temperature

We've looked at the most up-to-date weather data for St Kitts and Nevis, 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 St Kitts and Nevis weather in May.

How warm is it in St Kitts and Nevis during May?

The temperature is extremely stable in May with average highs of 27℃ and lows just 1℃ lower at 26℃. 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 St Kitts and Nevis during May?

On average, there will be 5 rainy days during the month, amounting to 105.7mm 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, May will see just 2 days that produce a storm.

Is it windy in St Kitts and Nevis during May?

Expect moderate breeze becoming stronger at times during May, with occasional gusts up to 21mph. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in St Kitts and Nevis during May?

The water around St Kitts and Nevis reaches a very pleasant 28℃ during May. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

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Weather in St Kitts and Nevis

Our month-by-month guide to the weather and climate in St Kitts and Nevis

25.9

St Kitts and Nevis weather in

January
25.7

St Kitts and Nevis weather in

February
25.6

St Kitts and Nevis weather in

March
26.2

St Kitts and Nevis weather in

April
27.0

St Kitts and Nevis weather in

May
27.7

St Kitts and Nevis weather in

June
27.9

St Kitts and Nevis weather in

July
28.3

St Kitts and Nevis weather in

August
28.5

St Kitts and Nevis weather in

September
28.3

St Kitts and Nevis weather in

October
27.6

St Kitts and Nevis weather in

November
26.7

St Kitts and Nevis weather in

December