Best Time to Visit Unawatuna - practical advice with names and honest picks.
The best time to visit Unawatuna is December to March, when rainfall is minimal and seas are calm, with temperatures around 28-30°C and gentle breezes. The months to avoid: The wettest months are May and September to November, with 26 to 30 wet days a month (Open-Meteo averages, 2015 to 2024). The table below sets all twelve months side by side: temperature, rain, crowds and prices. Each month links to its own page with events and what to pack.
The best time to visit Unawatuna is December to March, when rainfall is minimal and seas are calm, with temperatures around 28-30°C and gentle breezes. The months to avoid: The wettest months are May and September to November, with 26 to 30 wet days a month (Open-Meteo averages, 2015 to 2024). The table below sets all twelve months side by side: temperature, rain, crowds and prices. Each month links to its own page with events and what to pack.
Month by month
| Month | High / low | Rainy days | Crowds | Prices | Should you go? |
|---|---|---|---|---|---|
| January | 29C / 23C | 18 | high | high | Yes: ideal weather with minimal rainfall and comfortable temperatures make this peak season worth the higher prices |
| February | 30C / 24C | 17 | high | high | Yes: continues the excellent dry season weather with slightly fewer crowds than January |
| March | 30C / 24C | 21 | high | high | Yes: excellent weather continues with temperatures starting to climb, still ideal for most activities |
| April | 30C / 25C | 26 | medium | medium | Maybe: transition month with increasing rainfall and humidity, but still manageable if you don't mind occasional storms |
| May | 29C / 26C | 30 | low | low | No: peak monsoon season with heavy rainfall and rough seas make this the worst time for beach activities |
| June | 29C / 26C | 29 | low | low | No: continued heavy monsoon rains and dangerous sea conditions make this unsuitable for typical beach activities |
| July | 29C / 25C | 29 | low | low | No: still in monsoon season with rough seas and frequent rain, though slightly better than May-June |
| August | 28C / 25C | 29 | low | low | Maybe: monsoon weakening but still unpredictable weather, good for those seeking authentic experiences with few tourists |
| September | 28C / 25C | 29 | low | low | Maybe: transitional month with improving weather but still some rain, good value with fewer crowds |
| October | 28C / 24C | 29 | medium | medium | Yes: excellent shoulder season with good weather returning, fewer crowds, and better prices than peak season |
| November | 29C / 24C | 26 | medium | medium | Yes |
| December | 29C / 24C | 23 | high | high | Yes: excellent weather with minimal rain and perfect temperatures, though crowds and prices are increasing as peak season begins |
Best months for what you want
- Least rain: January to February, with around 17 rainy days a month.
- Fewest people: May to September.
- Lowest prices: May to September.
- Busiest: January, February, March and December. Book rooms ahead for these months.
Events worth planning around
- Duruthu Poya Festival (January): Buddhist temple celebrations with processions and traditional dancing.
- Galle Literary Festival (January): International authors and speakers at nearby Galle Fort.
- Sinhala and Tamil New Year (April): Major national holiday with beach games and traditional foods.
When to avoid
The wettest months are May and September to November, with 26 to 30 wet days a month (Open-Meteo averages, 2015 to 2024). May has about 30 rainy days. Swimming dangerous due to rough seas. June has about 29 rainy days. Beach unsafe for swimming.
More on Unawatuna
The Unawatuna overview has costs, areas and transport in one place. The Unawatuna travel guide is the longer read.
We plan trips to Unawatuna and the rest of Sri Lanka. Tell us your dates and we will put a route together. Our routes are on the tours page.

