Weather in Negombo: May
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Average day temperature: | 88.0°F |
| Average night temperature: | 80.9°F | |
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Sea water temperature: | 85.4°F |
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Number of sunny days: | 3 days |
| Day length: | 12.4 - 12.5 hours | |
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Number of rainy days: | 14 days |
| Precipitation totals: | 10.4 in. | |
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forecast
| Negombo |
temperature
| Negombo |
Air temperature in May, °F
The highest day temperature during May of 2025 was 86°F. At the same time the lowest night temperature was 79°F. Daily and nightly averages during May were 84.6°F and 81.2°F.
Sea water temperature in Negombo in May, °F
The average sea water temperature in May of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 87.1°F and 84.6°F.
Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Negombo in May is 14.0 in. It makes may one of the most rainy months of the year.
The average wind speed value in May is 10.7 mph
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: 4.2.
Best time for vacation in Negombo
Negombo on a weather map
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