Weather in Sri Lanka in December

In December, Sri Lanka experiences a mix of tropical warmth with occasional rains, making it an inviting destination for outdoor enthusiasts. The temperatures remain quite pleasant, with a blend of sunny days that lend themselves to exploration and some rain showers providing refreshing interludes. Whilst the humidity can be moderate, the breeze by the coast often balances it. Travellers can look forward to a comfortable climate for exploring the country’s scenic landscapes and cultural landmarks.

December Climate Overview

• Average Temperature: 22°C to 30°C
• Rainfall: 150mm
• Sunshine Hours: 8 hours
• Humidity: Around 75%
• Wind Speed: Gentle breezes at approximately 15 km/h

What to Expect in December

Daytime Conditions

During the day, the temperature typically rises to pleasant highs that hover around 30°C, accompanied by generous sunshine. The heat is tempered by the proximity to the ocean, making conditions favourable for exploration and leisure. Humidity levels are noticeable but not overwhelming, adding a tropical touch to the air.

Rainfall Patterns

December may bring scattered showers, often short and invigorating rather than prolonged. While rain is not uncommon, it rarely hampers daytime plans significantly and tends to cool down the environment, enhancing the freshness of the surroundings.

Evening Conditions

As night approaches, the temperature typically cools down to around 22°C, providing a comfortable atmosphere for evening activities. Gentle breezes contribute to a pleasant environment, perfect for leisurely walks or dining al fresco.

Best Activities in Sri Lanka in December

• Outdoor Activities: Consider hiking through lush trails, exploring historic sites, and immersing in local markets bustling with holiday flair.
• Seasonal Highlights: Witness the rich blooms of flora nurtured by the rain and explore national parks that host an abundance of wildlife.
• Water-based or Nature-based Activities: Suitable for nature treks and wildlife safaris, offering a chance to see seasonal migratory patterns.

What to Pack for December

• Appropriate clothing for daytime and evening temperatures
• Protection from sun or rain (hat, sunscreen, umbrella, etc.)
• Footwear suitable for local terrain (e.g., walking, hiking, city streets)
• Reusable water bottle