Measurements:
°C
°F
Bonassola
50°F
SW 4 mph
Feels like: 50°F
Precip: 87%
World Resorts Italy Bonassola Weather

Bonassola Sea Water Temperature

Current Sea Water Temperature:
+63.6°F
Maximum Sea Water Temperature in December: 65.8°F
Minimum Sea Water Temperature in December: 59.4°F
Average water temperature in December: 62.0°F

Sea Water Temperature for the Last 10 Days:

December 05 63.6°F November 30 63.2°F
December 04 63.8°F November 29 63.8°F
December 03 64.0°F November 28 64.6°F
December 02 64.0°F November 27 64.8°F
December 01 63.0°F November 26 65.0°F

When is the Warmest Sea for Bonassola?

According to our data for the last three years for Bonassola 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 Bonassola was 82.1°F. The maximum and minimum values were 80.4°F and 84.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Bonassola was 82.3°F. The maximum and minimum values were 80.0°F and 85.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Bonassola was 78.6°F. The maximum and minimum values were 75.4°F and 80.6°F respectively.

Best Time to Visit Bonassola
The most sunny months:
July 22 days
August 19 days
June 16 days
The most warm months:
August 83.4 °F
July 83.1 °F
June 77.7 °F
Warmest sea temperature:
August 83.1 °F
July 82.0 °F
September 78.9 °F
The most cold months:
January 48.2 °F
December 49.1 °F
February 51.6 °F
The most rainy months:
October 6 days
December 5 days
January 4 days
The most windy months:
January 6 mph
November 6 mph
October 5 mph

Bonassola on the Weather Map

Italy Resorts:
NAME
Amalfi +50
Bari +56
Cagliari +52
Catania +56
Florence +50
Genoa +48
Naples +56
Palermo +54
Pisa +50
Rimini +50
Rome +52
Scalea +44
Sicily +50
Tropea +56
Venice +48
24 Hours Weather Forecast
Bonassola
Local time: 10:11
05 dec, friday
1200 54°F
S
5 mph
1500 50°F
S
6 mph
1800 44°F
S
8 mph
2100 42°F
S
8 mph
06 dec, saturday
0000 42°F
S
6 mph
0300 40°F
S
5 mph
0600 46°F
SW
5 mph
0900 48°F
SW
4 mph