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Formia sea water temperature

Current sea water temperature:
+60.3°F
Minimum sea water temperature in December: 65.7°F
Maximum sea water temperature in December: 58.3°F
Average sea water temperature in December: 62.3°F

Sea water temperature for the last 10 days:

December 14 60.3°F December 9 61.7°F
December 13 60.4°F December 8 62.6°F
December 12 60.8°F December 7 62.1°F
December 11 61.3°F December 6 62.1°F
December 10 61.9°F December 5 62.8°F

When is the warmest sea in Formia?

Based on the data about daily sea water temperature for the last three years the warmest sea in Formia was noticed in August, July and September.

Monthly Sea Temperatures in Formia, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 78.8°F. The highest and lowest sea temperatures during the month were 80.8°F and 76.3°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 79.3°F. The highest and lowest sea temperatures during the month were 81.3°F and 76.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 77.6°F. The highest and lowest sea temperatures during the month were 79.3°F and 75.4°F.

Best time for vacation in Formia

Sunniest months:
July 28 days
August 27 days
June 25 days
Warmest months:
August 85.2 °F
July 84.7 °F
June 78.4 °F
Warmest sea temp:
August 79.7 °F
July 78.5 °F
September 76.6 °F
Coldest months:
January 53.0 °F
February 54.2 °F
December 55.7 °F
Rainiest months:
November 7 days
January 6 days
December 5 days
Windiest months:
March 7.4 mph
January 7.2 mph
February 7.1 mph

Formia on a weather map

Formia
+54°F
SW 6 mph
Feels like: +52°F
Precip.: 0%
Places in Italy:
Name
°F
+48°F
+52°F
+43°F
+41°F
+57°F
+54°F
+54°F
+48°F
+46°F
+46°F
+46°F
+41°F
+50°F
+45°F
24 Hours Forecast
Formia
Local time: 03:18
December 15, monday
0600
52°F
W
4 mph
0900
54°F
W
4 mph
1200
57°F
N
3 mph
1500
57°F
NW
7 mph
1800
55°F
NW
7 mph
2100
55°F
W
7 mph
December 16, tuesday
0000
54°F
W
8 mph
0300
54°F
W
11 mph
Units of measurement: °C / °F