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Is December a Good Month to Visit Sri Lanka

Last updated
Petteri on a motorbike
Written by Petteri Palo, a travel enthusiast who has travelled more than 30 countries. All information and tips are based from actual travels.

December is one of the best months to visit Sri Lanka. The south and west coasts are fully in season with calm seas and plenty of sunshine, the Cultural Triangle is hot and mostly dry, and the Hill Country offers cool, clear mornings with only occasional showers.

It’s also one of the busiest months of the year, especially from mid‑December onward, so booking early is essential.

Seasonal Highlights in December

  • Whale Watching at Its Best
    Mirissa offers peak blue‑whale sightings, with calm seas and reliable conditions.
  • Festive Atmosphere
    December brings a lively, celebratory feel — beach towns, hotels, and restaurants often host seasonal events, especially toward Christmas and New Year.
  • Excellent Visibility for Photography
    Clear skies and bright light make December one of the best months for landscape and wildlife photography.
  • Ideal for Multi‑Region Itineraries
    With stable weather across the south, west, and Cultural Triangle, December is perfect for combining beaches, culture, and the Hill Country in one trip.

Weather Overview

December brings some of the most stable weather of the year, with sunny days on the south and west coasts, hot and mostly dry conditions in the Cultural Triangle, cool and clear mornings in the Hill Country, and wet, windy weather on the east coast.

South & West Coasts
jan Weather icon 31°C 24°C
feb Weather icon 31°C 24°C
mar Weather icon 32°C 25°C
apr Weather icon 32°C 25°C
may Weather icon 31°C 25°C
jun Weather icon 30°C 25°C
jul Weather icon 30°C 25°C
aug Weather icon 30°C 25°C
sep Weather icon 30°C 25°C
oct Weather icon 30°C 24°C
nov Weather icon 30°C 24°C
dec Weather icon 31°C 24°C
East & North Coasts
jan Weather icon 31°C 23°C
feb Weather icon 32°C 23°C
mar Weather icon 32°C 24°C
apr Weather icon 32°C 25°C
may Weather icon 32°C 26°C
jun Weather icon 31°C 26°C
jul Weather icon 32°C 26°C
aug Weather icon 32°C 26°C
sep Weather icon 32°C 26°C
oct Weather icon 32°C 26°C
nov Weather icon 32°C 26°C
dec Weather icon 31°C 24°C
Cultural Triangle
jan Weather icon 31°C 21°C
feb Weather icon 33°C 22°C
mar Weather icon 34°C 24°C
apr Weather icon 34°C 25°C
may Weather icon 33°C 24°C
jun Weather icon 32°C 24°C
jul Weather icon 32°C 24°C
aug Weather icon 32°C 24°C
sep Weather icon 32°C 24°C
oct Weather icon 31°C 23°C
nov Weather icon 30°C 22°C
dec Weather icon 30°C 21°C
Hill Country (Low-Mid)
jan Weather icon 25°C 17°C
feb Weather icon 26°C 17°C
mar Weather icon 27°C 18°C
apr Weather icon 27°C 19°C
may Weather icon 26°C 20°C
jun Weather icon 25°C 20°C
jul Weather icon 25°C 20°C
aug Weather icon 25°C 19°C
sep Weather icon 25°C 19°C
oct Weather icon 25°C 19°C
nov Weather icon 25°C 18°C
dec Weather icon 25°C 18°C
Hill Country (High)
jan Weather icon 20°C 10°C
feb Weather icon 21°C 11°C
mar Weather icon 22°C 13°C
apr Weather icon 21°C 14°C
may Weather icon 20°C 14°C
jun Weather icon 19°C 13°C
jul Weather icon 19°C 12°C
aug Weather icon 20°C 12°C
sep Weather icon 20°C 12°C
oct Weather icon 20°C 13°C
nov Weather icon 19°C 12°C
dec Weather icon 19°C 11°C

Places to Visit in December

December is especially good for:

Avoid the east coast — it’s fully off‑season

Need itineraries? Check out my 3-week Sri Lanka itinerary or my Cultural Triangle itinerary for inspiration.

National Parks in December

December is a strong wildlife month across much of the island.

Good Conditions

  • Yala — Excellent for leopards; peak season conditions.
  • Udawalawe — Reliable elephant sightings year‑round.
  • Wilpattu — Good visibility and active wildlife as the landscape dries.

Decent Conditions

  • Minneriya / Kaudulla / Hurulu — Elephants are more dispersed, but sightings are still possible.

Not Recommended

  • Kumana — still affected by monsoon patterns.
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Book in Advance for December

December is one of the busiest months of the year, especially from mid‑December onward, so book accommodation and transport in advance to secure the best options.

Accommodation

Tours & Transport

Consider booking your travels through my links — it supports the site at no extra cost to you. You can secure most accommodation, tours, and transport easily through the major platforms below.

Verdict: Should You Visit Sri Lanka in December?

Yes — December is one of the best months to visit Sri Lanka.

With excellent beach weather on the south and west coasts, reliable conditions in the Cultural Triangle, and clear, cool days in the Hill Country, December offers some of the most enjoyable travel conditions of the year. Just book early, especially for beach towns and national parks.

Want to compare all the months? Check out my guide to the best time to visit Sri Lanka, or explore another month in depth below.

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