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

Bonassola Sea Water Temperature

Current Sea Water Temperature:
+65.6°F
Maximum Sea Water Temperature in April: 67.6°F
Minimum Sea Water Temperature in April: 57.0°F
Average water temperature in April: 60.5°F

Sea Water Temperature for the Last 10 Days:

April 19 65.6°F April 14 61.6°F
April 18 64.8°F April 13 62.2°F
April 17 64.2°F April 12 63.0°F
April 16 63.6°F April 11 61.6°F
April 15 62.8°F April 10 61.2°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 48.3 °F
December 49.8 °F
February 52.0 °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 +68
Bari +66
Bibione +68
Cagliari +68
Catania +70
Florence +72
Genoa +66
Lido di Jesolo +66
Naples +68
Palermo +68
Rimini +62
Rome +72
Sicily +68
Tropea +64
Venice +64
24 Hours Weather Forecast
Bonassola
Local time: 17:53
19 apr, sunday
1800 68°F
N
6 mph
2100 60°F
NW
3 mph
20 apr, monday
0000 58°F
NW
4 mph
0300 62°F
NW
1 mph
0600 60°F
SW
3 mph
0900 60°F
NW
4 mph
1200 62°F
NW
6 mph
1500 62°F
N
6 mph