Weather in Šri Lanka in maj
Country-wide climate normals across 15 cities in Šri Lanka.
How Hot Is Šri Lanka in maj?
Uniform heat across Šri Lanka's May: averages climb to 30°C nationally with overnight lows of 26°C, narrow spread from coast to interior. The hottest cities like Batticaloa register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Šri Lanka in maj
Persistent cloud and grey skies define Šri Lanka's May: about 1.4h of sun a day in Colombo. Daylight is in short supply too, running from 5:55 am to 6:20 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In Šri Lanka In maj?
Heavy seasonal rains saturate Šri Lanka in May — Colombo averages 338mm of rain across 24 days, with downpours an almost daily feature. The pattern is consistent across most regions, particularly along monsoon-affected coasts. Expect torrential afternoon storms followed by humid heat.
Is Šri Lanka Humid In maj?
Šri Lanka is enveloped in tropical-thick humidity through May: Colombo averages 80%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In Šri Lanka In maj
Breezy conditions cover Šri Lanka's May: Colombo sits at 20 kph on average, with the country as a whole feeling windy through the day. Afternoon winds pick up across most cities, and coastal regions often run significantly higher.
Cloud Cover In Šri Lanka In maj
Cloudy skies dominate Šri Lanka in May — 75% cover in Colombo, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.