20.06
sat
sat
Day

84°F
E 12 mph
Precip.
15%
15%
Night

81°F
NE 11 mph
Precip.
36%
36%
21.06
sun
sun
Day

82°F
NE 13 mph
Precip.
66%
66%
Night

79°F
NE 15 mph
Precip.
72%
72%
22.06
mon
mon
Day

82°F
E 14 mph
Precip.
56%
56%
Night

81°F
E 12 mph
Precip.
58%
58%
23.06
tue
tue
Day

82°F
E 15 mph
Precip.
48%
48%
Night

81°F
E 11 mph
Precip.
54%
54%
24.06
wed
wed
Day

82°F
E 14 mph
Precip.
39%
39%
Night

81°F
E 14 mph
Precip.
26%
26%
25.06
thu
thu
Day

82°F
E 15 mph
Precip.
33%
33%
Night

79°F
E 14 mph
Precip.
50%
50%
26.06
fri
fri
Day

82°F
E 15 mph
Precip.
38%
38%
Night

79°F
E 12 mph
Precip.
44%
44%
27.06
sat
sat
Day

82°F
E 13 mph
Precip.
54%
54%
Night

79°F
E 11 mph
Precip.
62%
62%
28.06
sun
sun
Day

84°F
E 12 mph
Precip.
25%
25%
Night

81°F
E 12 mph
Precip.
31%
31%
29.06
mon
mon
Day

84°F
E 14 mph
Precip.
25%
25%
Night

81°F
E 12 mph
Precip.
55%
55%
30.06
tue
tue
Day

82°F
E 15 mph
Precip.
54%
54%
Night

81°F
E 14 mph
Precip.
38%
38%
01.07
wed
wed
Day

82°F
E 14 mph
Precip.
55%
55%
Night

79°F
E 12 mph
Precip.
64%
64%
02.07
thu
thu
Day

82°F
E 13 mph
Precip.
57%
57%
Night

79°F
E 11 mph
Precip.
53%
53%
03.07
fri
fri
Day

82°F
E 14 mph
Precip.
24%
24%
Night

81°F
E 12 mph
Precip.
22%
22%
sea water
temperature
temperature
| Unawatuna |
monthly
weather
weather
| Unawatuna |
current
weather
weather
| Unawatuna |
7 days
forecast
forecast
| Unawatuna |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 83.4°F. The highest and lowest sea temperatures during the month were 83.8°F and 82.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 81.2°F. The highest and lowest sea temperatures during the month were 83.1°F and 79.7°F.
Air temperature in Unawatuna, °F
Precipitation total in Unawatuna, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Unawatuna
Unawatuna on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Unawatuna
Local time: 09:10
June 20, saturday
1200

84°F
E
12 mph
12 mph
1500

82°F
E
12 mph
12 mph
1800

81°F
E
11 mph
11 mph
2100

81°F
E
10 mph
10 mph
June 21, sunday
0000

81°F
NE
11 mph
11 mph
0300

79°F
NE
11 mph
11 mph
0600

79°F
NE
11 mph
11 mph
0900

81°F
NE
12 mph
12 mph



























