Measurements:
°C
°F
CURRENT WEATHER
06:30
Negombo
82°F
NE 12 mph
Feels like: 90°F
Precip: 31%
World Resorts Sri Lanka Negombo Weather

7 Day Weather Forecast

07.11
sat
DAY
86°F
NE 12 mph
precip
19%
NIGHT
84°F
NE 13 mph
precip
26%
07.12
sun
DAY
86°F
NE 14 mph
precip
19%
NIGHT
84°F
NE 13 mph
precip
42%
07.13
mon
DAY
86°F
NE 14 mph
precip
8%
NIGHT
82°F
NE 14 mph
precip
35%
07.14
tue
DAY
86°F
NE 14 mph
precip
18%
NIGHT
82°F
NE 14 mph
precip
24%
07.15
wed
DAY
86°F
NE 14 mph
precip
7%
NIGHT
82°F
NE 12 mph
precip
23%
07.16
thu
DAY
86°F
NE 14 mph
precip
12%
NIGHT
82°F
NE 11 mph
precip
30%
07.17
fri
DAY
86°F
NE 14 mph
precip
16%
NIGHT
82°F
NE 14 mph
precip
31%

Negombo Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Negombo was 28.5°F. The maximum and minimum values were 27.3°F and 29.6°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 89.0 °F
The most rainy months:
June 15 days
October 14 days
July 14 days
The most windy months:
June 13 mph
July 12 mph
August 12 mph
more details