Measurements:
°C
°F
Formia
70°F
W 4 mph
Feels like: 70°F
Precip: 13%
World Resorts Italy Formia Weather

Formia Sea Water Temperature

Current Sea Water Temperature:
+78.2°F
Maximum Sea Water Temperature in October: 79.0°F
Minimum Sea Water Temperature in October: 69.4°F
Average water temperature in October: 74.3°F

Sea Water Temperature for the Last 10 Days:

October 03 78.2°F September 28 79.4°F
October 02 78.6°F September 27 79.2°F
October 01 79.0°F September 26 79.8°F
September 30 79.8°F September 25 81.0°F
September 29 79.8°F September 24 80.6°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 88.0°F. The maximum and minimum values were 87.0°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Formia was 84.0°F. The maximum and minimum values were 79.2°F and 88.4°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 89.0 °F
July 88.4 °F
June 81.5 °F
Warmest sea temperature:
August 83.3 °F
July 81.9 °F
September 79.8 °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
F°
Amalfi +62
Bari +72
Bibione +54
Catania +68
Florence +64
Genoa +50
Lido di Jesolo +58
Naples +72
Palermo +58
Rimini +58
Rome +64
Scalea +48
Sicily +64
Tropea +68
Venice +58
24 Hours Weather Forecast
Formia
Local time: 04:55
04 oct, sunday
0600 70°F
W
4 mph
0900 72°F
W
4 mph
1200 74°F
N
5 mph
1500 76°F
NE
7 mph
1800 76°F
E
9 mph
2100 74°F
SE
8 mph
05 oct, monday
0000 72°F
SE
6 mph
0300 72°F
SE
5 mph