May weather forecast
Saint Kitts and Nevis

May in Saint Kitts and Nevis brings about a more noticeable shift in the climate as the islands transition further into the wet season. Rainfall increases quite significantly from April, reaching an average of 100mm (3.94"). This uptick in precipitation marks the start of the wetter months but does not tend to be disruptive to outdoor activities as rain showers are often brief and sporadic.

The average temperature in May ranges from 26°C (78.8°F) to 29°C (84.2°F), indicating a continued warming trend as the islands move closer to the peak summer months. Despite this increase, the climate remains comfortably warm, offering pleasant conditions for exploring the islands' diverse natural and cultural offerings.

As with previous months, the smaller and more mountainous island of Nevis may see marginally cooler conditions and slightly higher rainfall levels. However, these variations are usually minimal and do not significantly alter the overall agreeable climate of the federation.

Sea temperatures continue to rise in May, reaching an inviting 27°C (80.6°F). This warm sea temperature, coupled with an average of 8 hours of daily sunshine, offers excellent conditions for a wide variety of water activities, from swimming and snorkeling to sailing and fishing.

Winds during May continue to provide a refreshing respite from the increasing heat, averaging 24km/h (14.9mph). These winds enhance the comfortable atmosphere, particularly for beach and seaside activities.

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• Basseterre - May »
  The months with the highest UV index in Basseterre are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Basseterre, Saint Kitts and Nevis.
• Fig Tree - May »
  The months with the highest UV index in Fig Tree are January through December, with an average maximum UV index of 7. The months with the highest humidity in Fig Tree are May through August, with an average relative humidity of 78%.
• Nevis - May »
  In Nevis during May, the rain falls for 15 days and regularly aggregates up to 88mm (3.46") of precipitation. On the last day of the month, in Nevis, sunrise is at 05:35 and sunset at 18:40 AST.
• Dieppe Bay Town - May »
  May's weather exhibits longer days and balmier nights, marking the transition to more summer-like conditions at Dieppe Bay Town, Saint Kitts, and Nevis. What time are sunrise and sunset in May in Dieppe Bay Town?
• Cotton Ground - May »
  The months with the highest humidity in Cotton Ground are May through August, with an average relative humidity of 78%. In Cotton Ground, Saint Kitts and Nevis, during May, the rain falls for 24.1 days and regularly aggregates up to 75mm (2.95") of precipitation.
• Butlers - May »
  The months with the lowest UV index in Butlers, Saint Kitts and Nevis, are January through December, with an average maximum UV index of 7. In May, in Butlers, Saint Kitts and Nevis, the rain falls for 24.1 days.