Weather in Colombo: May
|Average day temperature:||31.4°C|
|Average night temperature:||27.1°C|
|Sea water temperature:||29.5°C|
|Number of sunny days:||4 days|
|Day length:||12.4 - 12.5 hours|
|Number of rainy days:||19 days|
|Precipitation totals:||423.2 mm.|
Air temperature in May, °C
The highest day temperature during May of 2021 was 31°C. At the same time the lowest night temperature was 25°C. Daily and nightly averages during May were 29.5°C and 26.8°C.
Sea water temperature in Colombo in May, °C
The average sea water temperature in May of 2021 was 29.8°C. The highest and lowest sea temperatures during the month were class="nb">30.3°C and 29.0°C.
Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in May, mm
Precipitation total value in Colombo in May is 423.2 mm. It makes may one of the most rainy months of the year.
The average wind speed value in May is 4.2 m./s.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 5.7.
Best time for vacation in Colombo
Colombo on a weather map
|+25°C||NW 1 m/s|