Measurements:
°C
°F
Giresun
66°F
NE 6 mph
Feels like: 66°F
Precip: 53%
World Resorts Turkey Giresun Weather

Giresun Sea Water Temperature

Current Sea Water Temperature:
+74.2°F
Maximum Sea Water Temperature in September: 84.4°F
Minimum Sea Water Temperature in September: 70.2°F
Average water temperature in September: 78.3°F

Sea Water Temperature for the Last 10 Days:

September 28 74.2°F September 23 75.4°F
September 27 74.2°F September 22 76.6°F
September 26 74.2°F September 21 76.8°F
September 25 74.8°F September 20 76.2°F
September 24 76.4°F September 19 77.6°F

When is the Warmest Sea for Giresun?

According to our data for the last three years for Giresun the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Giresun was 81.8°F. The maximum and minimum values were 80.0°F and 83.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Giresun was 80.5°F. The maximum and minimum values were 79.2°F and 82.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Giresun was 77.7°F. The maximum and minimum values were 74.2°F and 81.4°F respectively.

Best Time to Visit Giresun
The most sunny months:
July 18 days
August 17 days
June 16 days
The most warm months:
August 81.7 °F
July 80.5 °F
September 75.6 °F
Warmest sea temperature:
August 82.4 °F
July 80.3 °F
September 78.3 °F
The most cold months:
January 47.1 °F
February 47.1 °F
March 50.3 °F
The most rainy months:
January 5 days
March 5 days
December 5 days
The most windy months:
January 7 mph
February 6 mph
December 6 mph

Giresun on the Weather Map

Turkey Resorts:
NAME
F°
Alanya +76
Antalya +68
Beldibi +66
Belek +74
Bodrum +66
Camyuva +66
Fethiye +74
Istanbul +66
Kas +64
Kemer +66
Kusadasi +62
Marmaris +66
Okurcalar +76
Oludeniz +74
Side +72
24 Hours Weather Forecast
Giresun
Local time: 03:39
29 sep, tuesday
0600 66°F
E
3 mph
0900 68°F
E
3 mph
1200 68°F
S
5 mph
1500 70°F
S
5 mph
1800 68°F
E
5 mph
2100 66°F
NE
10 mph
30 sep, wednesday
0000 66°F
E
14 mph
0300 66°F
E
20 mph