Measurements:
°C
°F
Grosseto
68°F
NE 6 mph
Feels like: 68°F
Precip: 0%
World Resorts Italy Grosseto Weather

Grosseto Sea Water Temperature

Current Sea Water Temperature:
+64.2°F
Maximum Sea Water Temperature in April: 67.6°F
Minimum Sea Water Temperature in April: 57.0°F
Average water temperature in April: 60.7°F

Sea Water Temperature for the Last 10 Days:

April 26 64.2°F April 21 64.6°F
April 25 64.4°F April 20 64.2°F
April 24 64.4°F April 19 63.6°F
April 23 64.2°F April 18 63.2°F
April 22 64.2°F April 17 63.2°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Grosseto was 81.4°F. The maximum and minimum values were 78.6°F and 85.2°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 90.3 °F
June 83.7 °F
Warmest sea temperature:
August 81.1 °F
July 79.9 °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
Amalfi +70
Bari +68
Bibione +74
Cagliari +68
Catania +72
Florence +70
Genoa +66
Lido di Jesolo +70
Naples +68
Palermo +66
Reggio di Calabria +68
Rimini +68
Rome +74
Sicily +68
Venice +70
24 Hours Weather Forecast
Grosseto
Local time: 11:20
26 apr, sunday
1200 68°F
NE
6 mph
1500 70°F
E
8 mph
1800 68°F
E
7 mph
2100 56°F
SE
2 mph
27 apr, monday
0000 54°F
SW
3 mph
0300 52°F
SW
4 mph
0600 52°F
W
2 mph
0900 60°F
SW
2 mph