Measurements:
°C
°F
Grosseto
82°F
W 4 mph
Feels like: 84°F
Precip: 4%
World Resorts Italy Grosseto Weather

Grosseto Sea Water Temperature

Current Sea Water Temperature:
+86.0°F
Maximum Sea Water Temperature in August: 86.6°F
Minimum Sea Water Temperature in August: 76.4°F
Average water temperature in August: 81.1°F

Sea Water Temperature for the Last 10 Days:

August 05 86.0°F July 31 85.6°F
August 04 84.6°F July 30 86.0°F
August 03 83.8°F July 29 85.6°F
August 02 84.0°F July 28 85.4°F
August 01 85.2°F July 27 85.6°F

When is the Warmest Sea for Grosseto?

According to our data for the last three years for Grosseto 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 Grosseto was 80.3°F. The maximum and minimum values were 77.0°F and 82.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Grosseto was 84.3°F. The maximum and minimum values were 78.4°F and 88.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Grosseto was 78.8°F. The maximum and minimum values were 76.4°F and 81.2°F respectively.

Best Time to Visit Grosseto
The most sunny months:
July 29 days
August 27 days
June 26 days
The most warm months:
August 90.8 °F
July 90.4 °F
June 83.8 °F
Warmest sea temperature:
August 81.1 °F
July 80.2 °F
September 77.8 °F
The most cold months:
January 52.6 °F
February 54.7 °F
December 55.2 °F
The most rainy months:
November 4 days
January 3 days
December 3 days
The most windy months:
March 9 mph
February 9 mph
November 9 mph

Grosseto on the Weather Map

Italy Resorts:
NAME
Baia Domizia +88
Bari +90
Bibione +82
Florence +80
Genoa +74
Lido di Jesolo +88
Naples +88
Palermo +86
Rimini +82
Rome +82
Sanremo +82
Scalea +66
Sicily +86
Tropea +80
Venice +88
24 Hours Weather Forecast
Grosseto
Local time: 22:20
06 aug, thursday
0000 78°F
NW
1 mph
0300 76°F
SW
4 mph
0600 76°F
SW
4 mph
0900 86°F
SW
2 mph
1200 92°F
E
10 mph
1500 94°F
NE
12 mph
1800 90°F
E
12 mph
2100 82°F
SE
2 mph