Measurements:
°C
°F
Formia
88°F
NE 9 mph
Feels like: 92°F
Precip: 3%
World Resorts Italy Formia Weather

Formia Sea Water Temperature

Current Sea Water Temperature:
+87.4°F
Maximum Sea Water Temperature in August: 88.8°F
Minimum Sea Water Temperature in August: 76.8°F
Average water temperature in August: 83.2°F

Sea Water Temperature for the Last 10 Days:

August 22 87.4°F August 17 88.2°F
August 21 88.0°F August 16 87.8°F
August 20 87.6°F August 15 88.4°F
August 19 87.6°F August 14 88.4°F
August 18 87.8°F August 13 88.2°F

When is the Warmest Sea for Formia?

According to our data for the last three years for Formia 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 Formia was 88.1°F. The maximum and minimum values were 87.4°F and 88.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Formia was 85.0°F. The maximum and minimum values were 82.0°F and 88.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Formia was 80.7°F. The maximum and minimum values were 78.2°F and 82.6°F respectively.

Best Time to Visit Formia
The most sunny months:
July 28 days
August 27 days
June 25 days
The most warm months:
August 89.1 °F
July 88.4 °F
June 81.5 °F
Warmest sea temperature:
August 83.3 °F
July 81.9 °F
September 79.6 °F
The most cold months:
January 53.3 °F
February 54.8 °F
December 56.4 °F
The most rainy months:
November 7 days
January 6 days
December 5 days
The most windy months:
March 7 mph
January 7 mph
February 7 mph

Formia on the Weather Map

Italy Resorts:
NAME
Baia Domizia +96
Bari +88
Bibione +80
Florence +88
Genoa +78
Lido di Jesolo +86
Naples +88
Palermo +100
Rimini +96
Rome +98
Sanremo +80
Scalea +84
Sicily +100
Tropea +84
Venice +86
24 Hours Weather Forecast
Formia
Local time: 16:10
22 aug, saturday
1800 86°F
E
11 mph
2100 82°F
SE
11 mph
23 aug, sunday
0000 80°F
SE
7 mph
0300 78°F
S
4 mph
0600 78°F
S
4 mph
0900 82°F
W
2 mph
1200 82°F
N
9 mph
1500 86°F
NE
8 mph