Weather in Šri Lanka in december
Country-wide climate normals across 15 cities in Šri Lanka.
How Hot Is Šri Lanka in december?
Šri Lanka bakes evenly in December — highs around 29°C are typical from Kandy all the way to Battaramulla South, with very little regional variation. Lows sit around 24°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Šri Lanka in december
Limited sunshine and short daylight define Šri Lanka's December: Colombo averages just 1.9h of direct sun, with the sun up between 6:15 am and 5:55 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Šri Lanka In december?
Šri Lanka is in the heart of its rainy season: Colombo measures 210mm of rain across 19 days in December, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is Šri Lanka Humid In december?
Saturated air defines Šri Lanka's December: humidity at 80% in Colombo, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In Šri Lanka In december
Šri Lanka's December has gentle wind — Colombo averages 17 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Šri Lanka In december
Šri Lanka sees mostly cloudy weather through December: Colombo averages 70% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.