Measurements:
°C
°F
CURRENT WEATHER
08:50
Ostia
66°F
NW 9 mph
Feels like: 66°F
Precip: 82%
World Resorts Italy Ostia Weather

7 Day Weather Forecast

05.10
sun
DAY
70°F
NW 14 mph
precip
69%
NIGHT
64°F
SW 1 mph
precip
76%
05.11
mon
DAY
68°F
N 9 mph
precip
0%
NIGHT
66°F
N 10 mph
precip
0%
05.12
tue
DAY
68°F
E 24 mph
precip
0%
NIGHT
62°F
E 6 mph
precip
0%
05.13
wed
DAY
66°F
E 5 mph
precip
0%
NIGHT
60°F
NW 3 mph
precip
100%
05.14
thu
DAY
68°F
E 8 mph
precip
100%
NIGHT
62°F
N 5 mph
precip
0%
05.15
fri
DAY
68°F
N 20 mph
precip
100%
NIGHT
64°F
NE 22 mph
precip
100%
05.16
sat
DAY
66°F
E 22 mph
precip
0%
NIGHT
62°F
E 7 mph
precip
0%

Ostia Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Ostia was 19.3°F. The maximum and minimum values were 18.2°F and 20.2°F respectively.

Ostia on the Weather Map

Best Time to Visit Ostia
The most sunny months:
July 29 days
August 28 days
June 26 days
The most warm months:
August 90.2 °F
July 89.5 °F
June 83.1 °F
Warmest sea temperature:
August 82.3 °F
July 81.0 °F
September 79.0 °F
The most cold months:
January 55.2 °F
February 56.5 °F
December 58.1 °F
The most rainy months:
November 6 days
December 4 days
January 4 days
The most windy months:
February 9 mph
November 9 mph
January 9 mph
more details