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Formia sea water temperature

Current sea water temperature:
+64.0°F
Minimum sea water temperature in May: 73.2°F
Maximum sea water temperature in May: 60.8°F
Average sea water temperature in May: 65.6°F

Sea water temperature for the last 10 days:

May 21 64.0°F May 16 65.1°F
May 20 63.9°F May 15 64.6°F
May 19 63.1°F May 14 64.9°F
May 18 63.5°F May 13 66.2°F
May 17 64.0°F May 12 65.3°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 54.3 °F
December 55.7 °F
Rainiest months:
November 7 days
January 6 days
December 5 days
Windiest months:
March 7.3 mph
January 7.3 mph
February 7.1 mph

Formia on a weather map

Formia
+63°F
SW 6 mph
Feels like: +63°F
Precip.: 0%
Places in Italy:
Name
°F
+57°F
+63°F
+61°F
+64°F
+57°F
+59°F
+61°F
+64°F
+57°F
+57°F
+61°F
+52°F
+57°F
+55°F
24 Hours Forecast
Formia
Local time: 04:47
May 22, friday
0600
63°F
SW
6 mph
0900
68°F
SW
3 mph
1200
70°F
N
5 mph
1500
70°F
NE
8 mph
1800
70°F
E
6 mph
2100
68°F
W
3 mph
May 23, saturday
0000
66°F
SW
5 mph
0300
63°F
S
8 mph
Units of measurement: °C / °F