Sri Jayawardenepura Kotte 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: July – August, December – April
What is the weather like in Sri Jayawardenepura Kotte in January?
In January, Sri Jayawardenepura Kotte is hot: daytime highs average 30 °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. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Sri Jayawardenepura Kotte.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 68 | 81 | 82 |
| Day | 29° | 30° | 31° |
| Night | 23° | 23° | 23° |
| Sea | 28° | 28° | 28° |
| Sun | 5 h | 7 h | 7 h |
| Rain days | 19 | 12 | 11 |
More details for January
- Daylight
- 11 h 46 min06:26 – 18:12
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 61 %on averageAll months
- Hot days
- 17 days30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Colombo
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %63 %
- 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
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Sri Jayawardenepura Kotte in January: quick answers
Is Sri Jayawardenepura Kotte hot in January?
Yes. In January, Sri Jayawardenepura Kotte is hot: daytime highs average 30 °C and nights stay around 23 °C. On about 17 days the thermometer climbs to 30 °C or more.
Can you swim in Sri Jayawardenepura Kotte in January?
Yes. In January the sea averages 27.9 °C – lovely and warm for swimming.
Does it rain much in Sri Jayawardenepura Kotte in January?
Rain is frequent, with about 12 rainy days and 104 mm in total.
Sri Jayawardenepura Kotte month by month
The whole year in Sri Jayawardenepura KotteAll 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). Sources & licences