Current sea water temperature:
+81.7°F
| Minimum sea water temperature in July: | 84.6°F |
| Maximum sea water temperature in July: | 79.5°F |
| Average sea water temperature in July: | 82.0°F |
| more information | |
14 days
forecast
forecast
| Unawatuna |
monthly
weather
weather
| Unawatuna |
Sea water temperature for the last 10 days:
| July 12 | 81.7°F | July 7 | 82.4°F |
| July 11 | 82.0°F | July 6 | 82.8°F |
| July 10 | 82.6°F | July 5 | 83.3°F |
| July 9 | 82.4°F | July 4 | 83.3°F |
| July 8 | 81.9°F | July 3 | 83.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Unawatuna?
Based on the data about daily sea water temperature for the last three years the warmest sea in Unawatuna was noticed in April, May and March.
Monthly Sea Temperatures in Unawatuna, °F
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 86.6°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.1°F.
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 85.0°F. The highest and lowest sea temperatures during the month were 87.6°F and 83.1°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 83.9°F. The highest and lowest sea temperatures during the month were 85.6°F and 82.4°F.
current
weather
weather
| Unawatuna |
weather in
July
July
| Unawatuna |
Best time for vacation in Unawatuna
Unawatuna on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Unawatuna
Local time: 03:04
July 13, monday
0600

81°F
E
14 mph
14 mph
0900

82°F
E
16 mph
16 mph
1200

84°F
E
17 mph
17 mph
1500

82°F
E
15 mph
15 mph
1800

81°F
E
12 mph
12 mph
2100

81°F
E
12 mph
12 mph
July 14, tuesday
0000

81°F
E
13 mph
13 mph
0300

81°F
E
15 mph
15 mph



























