Measurements:
°C
°F
Grosseto
80°F
NE 6 mph
Feels like: 82°F
Precip: 2%
World Resorts Italy Grosseto Weather

Grosseto Sea Water Temperature

Current Sea Water Temperature:
+81.6°F
Maximum Sea Water Temperature in September: 85.2°F
Minimum Sea Water Temperature in September: 73.2°F
Average water temperature in September: 78.0°F

Sea Water Temperature for the Last 10 Days:

September 16 81.6°F September 11 83.0°F
September 15 82.2°F September 10 83.6°F
September 14 82.8°F September 09 84.4°F
September 13 83.4°F September 08 84.2°F
September 12 83.4°F September 07 84.4°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Grosseto was 85.7°F. The maximum and minimum values were 83.8°F and 87.2°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Grosseto was 83.8°F. The maximum and minimum values were 81.6°F and 85.2°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 90.9 °F
July 90.4 °F
June 83.8 °F
Warmest sea temperature:
August 81.4 °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
Amalfi +82
Baia Domizia +88
Bari +78
Bibione +78
Florence +82
Genoa +76
Lido di Jesolo +78
Naples +78
Palermo +82
Rimini +84
Rome +88
Scalea +72
Sicily +80
Tropea +78
Venice +78
24 Hours Weather Forecast
Grosseto
Local time: 12:45
16 sep, wednesday
1500 82°F
NE
9 mph
1800 82°F
E
7 mph
2100 76°F
E
2 mph
17 sep, thursday
0000 76°F
N
4 mph
0300 74°F
NW
7 mph
0600 72°F
W
6 mph
0900 76°F
NW
6 mph
1200 80°F
N
17 mph