Measurements:
°C
°F
CURRENT WEATHER
22:38
Formia
56°F
SE 9 mph
Feels like: 54°F
Precip: 0%
World Resorts Italy Formia Weather

7 Day Weather Forecast

05.16
sat
DAY
62°F
E 24 mph
precip
62%
NIGHT
56°F
SE 9 mph
precip
0%
05.17
sun
DAY
64°F
N 9 mph
precip
0%
NIGHT
60°F
SE 5 mph
precip
0%
05.18
mon
DAY
68°F
E 9 mph
precip
0%
NIGHT
58°F
SE 6 mph
precip
0%
05.19
tue
DAY
66°F
NE 6 mph
precip
0%
NIGHT
60°F
SE 8 mph
precip
0%
05.20
wed
DAY
68°F
NE 7 mph
precip
0%
NIGHT
66°F
S 3 mph
precip
0%
05.21
thu
DAY
72°F
NE 6 mph
precip
100%
NIGHT
66°F
NE 6 mph
precip
0%
05.22
fri
DAY
74°F
N 5 mph
precip
0%
NIGHT
68°F
SW 4 mph
precip
0%

Formia Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Formia was 18.1°F. The maximum and minimum values were 17.6°F and 19.0°F respectively.

Formia on the Weather Map

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 88.5 °F
June 81.5 °F
Warmest sea temperature:
August 83.0 °F
July 81.6 °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
more details