Bentota weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: January – April
What is the weather like in Bentota in January?
In January, Bentota is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 104 mm in total. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Bentota.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 68 | 81 | 84 |
| Day | 29° | 29° | 30° |
| Night | 24° | 23° | 24° |
| Sea | 28° | 28° | 28° |
| Sun | 5 h | 7 h | 7 h |
| Rain days | 19 | 12 | 11 |
More details for January
- Daylight
- 11 h 47 min06:25 – 18:12
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 12 km/haverage daily peak
- Cloud cover
- 61 %on average
- Hot days
- 5 days30 °C or more
- Time zone
- UTC+5:30Asia/Colombo
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 20 %43 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Bentota in January: quick answers
Is Bentota hot in January?
Yes. In January, Bentota is hot: daytime highs average 29 °C and nights stay around 23 °C. On about 5 days the thermometer climbs to 30 °C or more.
Can you swim in Bentota in January?
Yes. In January the sea averages 27.9 °C – lovely and warm for swimming.
Does it rain much in Bentota in January?
Rain is frequent, with about 12 rainy days and 104 mm in total.
Bentota month by month
The whole year in BentotaAll destinations: Sri LankaWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)