Negombo 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: December – March
What is the weather like in Negombo in January?
In January, Negombo is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 27.8 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 62 mm. On about 16 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 Negombo.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 73 | 88 | 88 |
| Day | 29° | 30° | 32° |
| Night | 24° | 23° | 24° |
| Sea | 28° | 28° | 28° |
| Sun | 6 h | 7 h | 8 h |
| Rain days | 15 | 8 | 7 |
More details for January
- Daylight
- 11 h 45 min06:27 – 18:12
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or more
- Wind
- 15 km/haverage daily peak
- Cloud cover
- 57 %on average
- Hot days
- 16 days30 °C or more
- Time zone
- UTC+5:30Asia/Colombo
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %68 %
- Few rainy daysweight 20 %74 %
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
Negombo in January: quick answers
Is Negombo hot in January?
Yes. In January, Negombo is hot: daytime highs average 30 °C and nights stay around 23 °C. On about 16 days the thermometer climbs to 30 °C or more.
Can you swim in Negombo in January?
Yes. In January the sea averages 27.8 °C – lovely and warm for swimming.
Does it rain much in Negombo in January?
Rain falls on about 8 days, adding up to 62 mm.
Negombo month by month
The whole year in NegomboAll 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)