World Resorts Sri Lanka Unawatuna Weather

Unawatuna 14 Days Forecast

20.06
sat
Day
84°F
E 12 mph
Precip.
15%
Night
81°F
NE 11 mph
Precip.
36%
21.06
sun
Day
82°F
NE 13 mph
Precip.
66%
Night
79°F
NE 15 mph
Precip.
72%
22.06
mon
Day
82°F
E 14 mph
Precip.
56%
Night
81°F
E 12 mph
Precip.
58%
23.06
tue
Day
82°F
E 15 mph
Precip.
48%
Night
81°F
E 11 mph
Precip.
54%
24.06
wed
Day
82°F
E 14 mph
Precip.
39%
Night
81°F
E 14 mph
Precip.
26%
25.06
thu
Day
82°F
E 15 mph
Precip.
33%
Night
79°F
E 14 mph
Precip.
50%
26.06
fri
Day
82°F
E 15 mph
Precip.
38%
Night
79°F
E 12 mph
Precip.
44%
27.06
sat
Day
82°F
E 13 mph
Precip.
54%
Night
79°F
E 11 mph
Precip.
62%
28.06
sun
Day
84°F
E 12 mph
Precip.
25%
Night
81°F
E 12 mph
Precip.
31%
29.06
mon
Day
84°F
E 14 mph
Precip.
25%
Night
81°F
E 12 mph
Precip.
55%
30.06
tue
Day
82°F
E 15 mph
Precip.
54%
Night
81°F
E 14 mph
Precip.
38%
01.07
wed
Day
82°F
E 14 mph
Precip.
55%
Night
79°F
E 12 mph
Precip.
64%
02.07
thu
Day
82°F
E 13 mph
Precip.
57%
Night
79°F
E 11 mph
Precip.
53%
03.07
fri
Day
82°F
E 14 mph
Precip.
24%
Night
81°F
E 12 mph
Precip.
22%

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

Sunniest months:
January 13 days
March 13 days
February 11 days
Warmest months:
April 88.0 °F
March 88.0 °F
February 86.6 °F
Warmest sea temp:
April 85.8 °F
May 84.6 °F
March 84.4 °F
Coldest months:
September 84.0 °F
August 84.1 °F
July 84.5 °F
Rainiest months:
June 18 days
September 18 days
August 17 days
Windiest months:
July 12.6 mph
June 12.5 mph
August 12.1 mph

Unawatuna on a weather map

Unawatuna
+82°F
E 10 mph
Feels like: +88°F
Precip.: 14%
Places in Sri Lanka:
Name
°F
+82°F
+82°F
+82°F
+82°F
+82°F
+84°F
+82°F
+84°F
+82°F
+84°F
+84°F
+86°F
+82°F
+84°F
+82°F
24 Hours Forecast
Unawatuna
Local time: 09:10
June 20, saturday
1200
84°F
E
12 mph
1500
82°F
E
12 mph
1800
81°F
E
11 mph
2100
81°F
E
10 mph
June 21, sunday
0000
81°F
NE
11 mph
0300
79°F
NE
11 mph
0600
79°F
NE
11 mph
0900
81°F
NE
12 mph
Units of measurement: °C / °F