World Resorts Sri Lanka Colombo Weather

Colombo weather in May

Weather in Colombo: May

Average day temperature: 31.6°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: 18 days
Precipitation totals: 394.5 mm.

Air temperature in May, °C

Show year:
2020
2019
2018

The highest day temperature during May of 2020 was 31°C. At the same time the lowest night temperature was 26°C. Daily and nightly averages during May were 30.0°C and 27.6°C.

Sea water temperature in Colombo in May, °C

Show year:
2020
2019
2018

The average sea water temperature in May of 2020 was 30.0°C. The highest and lowest sea temperatures during the month were class="nb">30.9°C and 29.2°C.

Sunny, partly cloudy and cloudy days

Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in May, mm

Precipitation total value in Colombo in May is 394.5 mm. It makes may one of the most rainy months of the year.

Wind speed in May, m/s

The average wind speed value in May is 4.2 m./s.

Average sunny hours

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: 5.9.

Best time for vacation in Colombo

Sunniest months:
January 19 days
February 17 days
March 16 days
Warmest months:
April 33.0 °C
March 32.8 °C
February 32.1 °C
Warmest sea temp:
April 30.1 °C
May 29.5 °C
March 29.3 °C
Coldest months:
July 29.8 °C
August 29.8 °C
September 29.9 °C
Rainiest months:
July 21 days
June 21 days
August 20 days
Windiest months:
June 4.9 m/s
August 4.7 m/s
July 4.7 m/s

Colombo on a weather map

Colombo
+29°C
NE 3 m/s
Feels like: +33°C
Precip.: 80%
Places in Sri Lanka:
Name
С°
+29°C
+30°C
+29°C
+29°C
+30°C
+29°C
+29°C
+28°C
+29°C
+30°C
+29°C
+30°C
+31°C
+29°C
24 Hours Forecast
Colombo
Local time: 11:22
April 15, thursday
1200
29°C
NE
3 m/s
1500
28°C
E
3 m/s
1800
28°C
NE
2 m/s
2100
27°C
SW
2 m/s
April 16, friday
0000
26°C
W
2 m/s
0300
26°C
NW
2 m/s
0600
26°C
NW
2 m/s
0900
29°C
N
2 m/s