30.12
tue
tue
Day
82°F
SE 16 mph
Precip.
0%
0%
Night
77°F
SW 11 mph
Precip.
0%
0%
31.12
wed
wed
Day
82°F
SE 14 mph
Precip.
0%
0%
Night
77°F
SE 6 mph
Precip.
69%
69%
01.01
thu
thu
Day
82°F
SE 8 mph
Precip.
0%
0%
Night
77°F
SW 7 mph
Precip.
0%
0%
02.01
fri
fri
Day
84°F
S 11 mph
Precip.
77%
77%
Night
77°F
SW 12 mph
Precip.
0%
0%
03.01
sat
sat
Day
79°F
SW 14 mph
Precip.
0%
0%
Night
77°F
SW 14 mph
Precip.
0%
0%
04.01
sun
sun
Day
82°F
S 16 mph
Precip.
0%
0%
Night
77°F
SW 17 mph
Precip.
0%
0%
05.01
mon
mon
Day
82°F
SW 17 mph
Precip.
28%
28%
Night
75°F
SW 16 mph
Precip.
100%
100%
06.01
tue
tue
Day
77°F
SW 19 mph
Precip.
44%
44%
Night
75°F
SW 17 mph
Precip.
0%
0%
07.01
wed
wed
Day
81°F
SW 19 mph
Precip.
0%
0%
Night
77°F
SW 19 mph
Precip.
78%
78%
08.01
thu
thu
Day
81°F
SW 15 mph
Precip.
0%
0%
Night
77°F
SW 19 mph
Precip.
0%
0%
09.01
fri
fri
Day
81°F
SW 21 mph
Precip.
0%
0%
Night
77°F
SW 17 mph
Precip.
0%
0%
10.01
sat
sat
Day
81°F
SW 17 mph
Precip.
79%
79%
Night
75°F
S 17 mph
Precip.
100%
100%
11.01
sun
sun
Day
75°F
SW 16 mph
Precip.
100%
100%
Night
73°F
SW 14 mph
Precip.
0%
0%
12.01
mon
mon
Day
81°F
S 15 mph
Precip.
100%
100%
Night
75°F
SW 15 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 82.9°F and 81.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 82.1°F. The highest and lowest sea temperatures during the month were 83.5°F and 81.3°F.
Air temperature in Negombo, °F
Precipitation total in Negombo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Negombo
Negombo on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Negombo
Local time: 02:30
December 30, tuesday
0300
75°F
SW
14 mph
14 mph
0600
75°F
S
14 mph
14 mph
0900
79°F
S
14 mph
14 mph
1200
82°F
SE
16 mph
16 mph
1500
81°F
SE
19 mph
19 mph
1800
79°F
S
16 mph
16 mph
2100
79°F
S
12 mph
12 mph
December 31, wednesday
0000
77°F
SW
11 mph
11 mph
