Measurements:
°C
°F
CURRENT WEATHER
00:11
Formia
58°F
SW 5 mph
Feels like: 58°F
Precip: 0%
World Resorts Italy Formia Weather

7 Day Weather Forecast

12.18
thu
DAY
62°F
NW 2 mph
precip
0%
NIGHT
58°F
SW 3 mph
precip
0%
12.19
fri
DAY
60°F
NW 4 mph
precip
0%
NIGHT
56°F
S 4 mph
precip
0%
12.20
sat
DAY
58°F
NW 6 mph
precip
0%
NIGHT
54°F
SW 4 mph
precip
0%
12.21
sun
DAY
58°F
NW 6 mph
precip
0%
NIGHT
56°F
W 8 mph
precip
47%
12.22
mon
DAY
58°F
NW 9 mph
precip
0%
NIGHT
56°F
W 11 mph
precip
100%
12.23
tue
DAY
58°F
NW 17 mph
precip
100%
NIGHT
56°F
NW 6 mph
precip
100%
12.24
wed
DAY
58°F
NW 8 mph
precip
100%
NIGHT
56°F
W 9 mph
precip
100%

Formia Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Formia was 16.5°F. The maximum and minimum values were 15.5°F and 17.2°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 53.4 °F
February 54.7 °F
December 56.3 °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