Sun, sea & sand

Negombo weather in April

Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.

74

Holiday weather in April

Good

Best time to visit: January – March

Air temperature31°CNight 26°
Sea temperature29.9°Cvery warm
Sunshine7hrs / dayof 12.3 h daylight
Rainy days27days / month186 mm

What is the weather like in Negombo in April?

In April, Negombo is hot: daytime highs average 31 °C, and even at night it stays warm at around 26 °C. The sea averages 29.9 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 27 days, totalling 186 mm. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Negombo.

April compared

How the weather changes from March to May. Tap a month to open it.

MarchMarAprilAprMayMay
Score787470
Day32°31°30°
Night25°26°26°
Sea29°30°29°
Sun8 h7 h6 h
Rain days152729

More details for April

Daylight
12 h 16 min06:03 – 18:19
UV index
14 · extremeclear sky, noon (estimate)
Muggy days
30 daysdew point 18 °C or more
Wind
12 km/haverage daily peak
Cloud cover
68 %on average
Hot days
23 days30 °C or more
Time zone
UTC+5:30Asia/Colombo

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %70 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in April

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Negombo in April: quick answers

Is Negombo hot in April?

Yes. In April, Negombo is hot: daytime highs average 31 °C and nights stay around 26 °C. On about 23 days the thermometer climbs to 30 °C or more.

Can you swim in Negombo in April?

Yes. In April the sea averages 29.9 °C – almost as warm as a bath.

Does it rain much in Negombo in April?

It rains often – on about 27 days, adding up to 186 mm.

Negombo month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)