Measurements:
°C
°F
Grosseto
74°F
N 13 mph
Feels like: 80°F
Precip: 6%
World Resorts Italy Grosseto Weather

Grosseto Sea Water Temperature

Current Sea Water Temperature:
+78.4°F
Maximum Sea Water Temperature in October: 78.4°F
Minimum Sea Water Temperature in October: 68.2°F
Average water temperature in October: 72.9°F

Sea Water Temperature for the Last 10 Days:

October 06 78.4°F October 01 78.4°F
October 05 78.4°F September 30 78.4°F
October 04 78.2°F September 29 78.2°F
October 03 78.2°F September 28 78.4°F
October 02 78.2°F September 27 78.8°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 82.0°F. The maximum and minimum values were 78.2°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 78.0 °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
F°
Amalfi +76
Bari +74
Bibione +76
Catania +84
Florence +82
Genoa +74
Lido di Jesolo +74
Naples +74
Palermo +80
Rimini +74
Rome +74
Scalea +74
Sicily +76
Tropea +74
Venice +74
24 Hours Weather Forecast
Grosseto
Local time: 14:40
06 oct, tuesday
1500 74°F
N
13 mph
1800 72°F
N
9 mph
2100 68°F
S
2 mph
07 oct, wednesday
0000 66°F
S
3 mph
0300 66°F
SW
4 mph
0600 64°F
SW
6 mph
0900 68°F
SW
5 mph
1200 74°F
N
5 mph