Measurements:
°C
°F
CURRENT WEATHER
12:58
Negombo
80°F
E 25 mph
Feels like: 86°F
Precip: 64%
World Resorts Sri Lanka Negombo Weather

7 Day Weather Forecast

08.01
sat
DAY
80°F
E 25 mph
precip
64%
NIGHT
82°F
E 19 mph
precip
53%
08.02
sun
DAY
84°F
E 11 mph
precip
28%
NIGHT
82°F
NE 11 mph
precip
70%
08.03
mon
DAY
80°F
NE 17 mph
precip
60%
NIGHT
80°F
E 9 mph
precip
30%
08.04
tue
DAY
82°F
E 14 mph
precip
59%
NIGHT
82°F
E 16 mph
precip
21%
08.05
wed
DAY
84°F
E 15 mph
precip
18%
NIGHT
82°F
NE 16 mph
precip
49%
08.06
thu
DAY
84°F
NE 16 mph
precip
48%
NIGHT
82°F
E 16 mph
precip
34%
08.07
fri
DAY
86°F
E 17 mph
precip
22%
NIGHT
82°F
E 17 mph
precip
27%

Negombo Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Negombo was 28.0°F. The maximum and minimum values were 27.3°F and 29.0°F respectively.

Negombo on the Weather Map

Best Time to Visit Negombo
The most sunny months:
January 18 days
February 18 days
March 16 days
The most warm months:
April 94.0 °F
March 93.9 °F
February 92.8 °F
Warmest sea temperature:
April 90.5 °F
May 89.4 °F
March 88.8 °F
The most cold months:
August 88.8 °F
September 88.9 °F
July 88.9 °F
The most rainy months:
June 15 days
October 14 days
May 14 days
The most windy months:
June 13 mph
July 12 mph
August 12 mph
more details