Measurements:
°C
°F
CURRENT WEATHER
14:06
Ostia
78°F
NE 11 mph
Feels like: 82°F
Precip: 0%
World Resorts Italy Ostia Weather

7 Day Weather Forecast

05.30
sat
DAY
80°F
NE 7 mph
precip
0%
NIGHT
70°F
SE 5 mph
precip
0%
05.31
sun
DAY
78°F
E 8 mph
precip
0%
NIGHT
70°F
NW 2 mph
precip
0%
06.01
mon
DAY
76°F
N 12 mph
precip
0%
NIGHT
70°F
NW 7 mph
precip
0%
06.02
tue
DAY
76°F
N 13 mph
precip
0%
NIGHT
70°F
NW 4 mph
precip
0%
06.03
wed
DAY
74°F
N 19 mph
precip
100%
NIGHT
70°F
N 5 mph
precip
0%
06.04
thu
DAY
76°F
E 7 mph
precip
0%
NIGHT
70°F
NE 7 mph
precip
0%
06.05
fri
DAY
78°F
N 7 mph
precip
0%
NIGHT
72°F
NE 5 mph
precip
0%

Ostia Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Ostia was 18.6°F. The maximum and minimum values were 17.4°F and 21.6°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