Measurements:
°C
°F
CURRENT WEATHER
16:58
Negombo
86°F
NE 8 mph
Feels like: 96°F
Precip: 0%
World Resorts Sri Lanka Negombo Weather

7 Day Weather Forecast

04.17
thu
DAY
90°F
E 7 mph
precip
88%
NIGHT
86°F
NE 8 mph
precip
62%
04.18
fri
DAY
90°F
NE 10 mph
precip
0%
NIGHT
86°F
NE 11 mph
precip
0%
04.19
sat
DAY
90°F
NE 12 mph
precip
100%
NIGHT
84°F
N 10 mph
precip
100%
04.20
sun
DAY
88°F
NE 11 mph
precip
100%
NIGHT
84°F
N 11 mph
precip
100%
04.21
mon
DAY
90°F
NE 11 mph
precip
100%
NIGHT
86°F
N 11 mph
precip
100%
04.22
tue
DAY
88°F
NE 11 mph
precip
100%
NIGHT
84°F
N 11 mph
precip
100%
04.23
wed
DAY
90°F
NE 12 mph
precip
100%
NIGHT
86°F
NE 12 mph
precip
41%

Negombo Sea Water Temperature in April, °F

Select Year: 2025 2024 2023
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25
27
29
31
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27
29
31
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35
37

The average sea surface temperature in April 2025 for Negombo was 30.2°F. The maximum and minimum values were 30.1°F and 30.5°F respectively.

Negombo on the Weather Map

Best Time to Visit Negombo
The most sunny months:
February 19 days
January 18 days
March 16 days
The most warm months:
April 94.7 °F
March 94.3 °F
February 93.3 °F
Warmest sea temperature:
April 90.5 °F
May 89.3 °F
March 88.8 °F
The most cold months:
September 89.1 °F
August 89.1 °F
July 89.3 °F
The most rainy months:
June 16 days
November 15 days
August 15 days
The most windy months:
June 12 mph
July 12 mph
August 12 mph
more details