Measurements:
°C
°F
Giresun
42°F
SE 6 mph
Feels like: 40°F
Precip: 100%
World Resorts Turkey Giresun Weather

Giresun Sea Water Temperature

Current Sea Water Temperature:
+58.2°F
Maximum Sea Water Temperature in December: 61.6°F
Minimum Sea Water Temperature in December: 50.0°F
Average water temperature in December: 55.9°F

Sea Water Temperature for the Last 10 Days:

December 13 58.2°F December 08 60.0°F
December 12 58.2°F December 07 59.6°F
December 11 58.6°F December 06 59.8°F
December 10 59.0°F December 05 60.4°F
December 09 59.6°F December 04 61.0°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Giresun was 84.1°F. The maximum and minimum values were 81.2°F and 86.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Giresun was 81.0°F. The maximum and minimum values were 75.2°F and 85.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Giresun was 77.7°F. The maximum and minimum values were 72.0°F and 82.8°F respectively.

Best Time to Visit Giresun
The most sunny months:
July 18 days
August 18 days
May 17 days
The most warm months:
August 81.9 °F
July 80.8 °F
September 75.9 °F
Warmest sea temperature:
August 82.4 °F
July 80.2 °F
September 78.3 °F
The most cold months:
February 47.1 °F
January 47.2 °F
March 50.5 °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
Alanya +52
Antalya +52
Avsallar +52
Beldibi +48
Belek +54
Bodrum +56
Fethiye +56
Istanbul +48
Kas +46
Kemer +48
Konakli +52
Marmaris +52
Mersin +54
Okurcalar +54
Side +54
24 Hours Weather Forecast
Giresun
Local time: 02:46
14 dec, sunday
0300 42°F
SE
6 mph
0600 42°F
SW
3 mph
0900 42°F
W
2 mph
1200 48°F
SW
6 mph
1500 46°F
SW
7 mph
1800 42°F
W
5 mph
2100 40°F
NW
2 mph
15 dec, monday
0000 40°F
N
3 mph