Temp
29° C
average
Rain
102 mm
per month
Sun
25 %
chance
Humidity
82 %
average
What’s the weather like in Negombo in May?
In May, Negombo experiences warm and humid weather, as it is the beginning of the monsoon season in Sri Lanka. The temperature remains stable throughout the month, with highs reaching an average of 31°C (88°F) during the day and dropping to around 26°C (79°F) at night. The chance of rainfall increases significantly, with frequent showers and occasional thunderstorms.
Average daily temperatures
The average daily temperature in Negombo in May ranges between 26°C (79°F) and 31°C (88°F). The temperature remains relatively consistent throughout the month, with only slight variations expected. It is advisable to pack lightweight and breathable clothing to stay comfortable in the warm and humid conditions.
Sunshine and rainfall
May witnesses a considerable increase in rainfall in Negombo, with an average of 235mm of precipitation throughout the month. This leads to a decrease in the number of hours of sunshine, which range between 5 to 6 hours per day. The showers are usually heavy but short-lived, allowing for periods of clear skies and pleasant weather in between.
