Negombo Weather in May

What's the weather like in Negombo (Western) in May 2023?

The climate in Negombo during May can be summarized as very hot, humid and very wet.

May is in the spring in Negombo and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (78°F) is normal.

Negombo weather averages (imperial / metric)
Daytime temperature 31.7°C 89°F
Nightly temperature 25.4°C 77.6°F
Average temperature 28.5°C 83.3°F
Daily sunshine 6.9 hrs
Avg rainfall 298 mm 11.7 ins
Rainy days 12 days
Sea temperature 29.4°C 84.8°F
Humidity 80%
Windspeed 10.4kph 7 mph

On average May is the 2nd wettest month of the year in Negombo with around 298mm 11.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.9 hours of sunshine per day.

May temperatures in Negombo

Negombo average temperature in May

May rainfall

Negombo average rain in May

May hourly sunshine

Negombo average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Negombo in May 2023.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Negombo weather stats

Negombo weather statistics
Hottest month: April 32.4°C 90.3°F
Driest month: January 48mm 1.9ins
Sunniest month: March 9.2hrs
Coldest month: January 30.9°C 87.6°F
Wettest month: October 351mm 13.8ins
Map showing location of Negombo (7.2083, 79.8358)

Locations nearby

Top Sri Lanka locations

Change units