Lido di Ostia weather in July
In July, Lido di Ostia sees average daytime highs of 25°C and overnight lows near 23°C, with 15 mm of rain across 1.8 wet days and about 14.7 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 87% of the time in July, and the air most often feels muggy.
Daylight stretches from about 15 hours at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Lido di Ostia's 1st-clearest and 11th-windiest month. For the whole year in context, see Lido di Ostia's year-round climate.
- Daytime high
- 25°
- 2nd warmest
- Overnight low
- 23°
- 11th coldest
- Rainfall
- 15 mm
- 1.8 wet days
- Daylight
- 14 h 42 min
- 4:54 AM – 7:39 PM
- Cloud cover
- 16%
- 1st clearest
- Wind
- 12 km/h
- 11th windiest
- Solar energy
- 7.16 kWh/m²
- Travel score
- 9.0
- out of 10
Lido di Ostia is human settlement in Rome, Lazio, Italy.
- Density
- 5,553/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 25°C through the month.
A typical July day in Lido di Ostia reaches about 25°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 22 |
| 2 | 25 | 22 |
| 3 | 25 | 22 |
| 4 | 25 | 22 |
| 5 | 25 | 22 |
| 6 | 25 | 22 |
| 7 | 25 | 22 |
| 8 | 25 | 22 |
| 9 | 25 | 22 |
| 10 | 25 | 22 |
| 11 | 25 | 22 |
| 12 | 25 | 22 |
| 13 | 25 | 22 |
| 14 | 25 | 22 |
| 15 | 25 | 23 |
| 16 | 25 | 23 |
| 17 | 26 | 23 |
| 18 | 26 | 23 |
| 19 | 26 | 23 |
| 20 | 26 | 23 |
| 21 | 26 | 23 |
| 22 | 26 | 23 |
| 23 | 26 | 23 |
| 24 | 26 | 23 |
| 25 | 26 | 23 |
| 26 | 26 | 23 |
| 27 | 26 | 23 |
| 28 | 26 | 23 |
| 29 | 26 | 23 |
| 30 | 26 | 23 |
| 31 | 26 | 23 |
Lido di Ostia weather by month
How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 9° | 81 | 10.6 | 9.3 | 3.4 |
| Feb | 12° / 9° | 78 | 9.6 | 10.3 | 3.4 |
| Mar | 14° / 10° | 72 | 8.6 | 11.7 | 4.3 |
| Apr | 16° / 12° | 61 | 8 | 13.1 | 5.3 |
| May | 19° / 16° | 40 | 6 | 14.3 | 7.1 |
| Jun | 23° / 20° | 22 | 3.3 | 15 | 8.5 |
| Jul | 25° / 23° | 15 | 1.8 | 14.7 | 9.0 |
| Aug | 26° / 23° | 21 | 2.6 | 13.7 | 8.6 |
| Sep | 23° / 20° | 86 | 7.9 | 12.3 | 7.6 |
| Oct | 20° / 17° | 132 | 10.4 | 10.9 | 6.6 |
| Nov | 17° / 13° | 161 | 13.3 | 9.6 | 5.0 |
| Dec | 13° / 10° | 115 | 11.7 | 9 | 3.8 |
Cloud cover in July
The sky is clear or mostly clear about 87% of the time in July, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 6%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 94 |
| Cloudier (%) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 92 | 8 |
| 2 | 92 | 8 |
| 3 | 92 | 8 |
| 4 | 92 | 8 |
| 5 | 92 | 8 |
| 6 | 92 | 8 |
| 7 | 92 | 8 |
| 8 | 93 | 7 |
| 9 | 93 | 7 |
| 10 | 94 | 6 |
| 11 | 94 | 6 |
| 12 | 94 | 6 |
| 13 | 94 | 6 |
| 14 | 94 | 6 |
| 15 | 94 | 6 |
| 16 | 94 | 6 |
| 17 | 94 | 6 |
| 18 | 94 | 6 |
| 19 | 95 | 5 |
| 20 | 95 | 5 |
| 21 | 95 | 5 |
| 22 | 95 | 5 |
| 23 | 95 | 5 |
| 24 | 95 | 5 |
| 25 | 95 | 5 |
| 26 | 95 | 5 |
| 27 | 94 | 6 |
| 28 | 94 | 6 |
| 29 | 94 | 6 |
| 30 | 94 | 6 |
| 31 | 94 | 6 |
Chance of precipitation in July
Lido di Ostia gets around 15 mm of rain over 1.8 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 6% and peaks near 7% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Rain chance (%) | |
|---|---|
| 1 | 4 |
| 2 | 4 |
| 3 | 4 |
| 4 | 4 |
| 5 | 4 |
| 6 | 5 |
| 7 | 5 |
| 8 | 5 |
| 9 | 5 |
| 10 | 5 |
| 11 | 5 |
| 12 | 6 |
| 13 | 6 |
| 14 | 6 |
| 15 | 6 |
| 16 | 6 |
| 17 | 7 |
| 18 | 7 |
| 19 | 7 |
| 20 | 7 |
| 21 | 7 |
| 22 | 7 |
| 23 | 7 |
| 24 | 7 |
| 25 | 6 |
| 26 | 6 |
| 27 | 6 |
| 28 | 6 |
| 29 | 6 |
| 30 | 6 |
| 31 | 6 |
Humidity in July
Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the muggy band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Humid (%) | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 9 |
| Muggy (%) | 45 | 44 | 44 | 43 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 36 | 35 | 34 |
| Oppressive (%) | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 30 | 30 | 31 | 32 | 33 | 34 | 36 | 37 | 38 | 40 | 41 | 43 | 45 | 46 | 47 | 49 | 49 | 50 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 6 | 20 | 45 | 28 | 1 |
| 2 | 1 | 6 | 20 | 44 | 29 | 1 |
| 3 | 1 | 5 | 20 | 44 | 29 | 1 |
| 4 | 1 | 5 | 21 | 43 | 30 | 1 |
| 5 | 1 | 5 | 21 | 42 | 30 | 1 |
| 6 | 0 | 5 | 21 | 42 | 31 | 1 |
| 7 | 0 | 5 | 22 | 41 | 31 | 1 |
| 8 | 0 | 5 | 22 | 41 | 30 | 1 |
| 9 | 0 | 5 | 23 | 41 | 30 | 1 |
| 10 | 0 | 5 | 23 | 41 | 30 | 1 |
| 11 | 0 | 5 | 23 | 41 | 29 | 2 |
| 12 | 0 | 4 | 23 | 41 | 29 | 2 |
| 13 | 0 | 4 | 23 | 41 | 29 | 2 |
| 14 | 0 | 4 | 22 | 41 | 30 | 2 |
| 15 | 0 | 4 | 22 | 41 | 30 | 2 |
| 16 | 0 | 4 | 21 | 41 | 31 | 2 |
| 17 | 0 | 4 | 20 | 41 | 32 | 2 |
| 18 | 0 | 4 | 19 | 41 | 33 | 3 |
| 19 | 0 | 4 | 18 | 41 | 34 | 3 |
| 20 | 0 | 4 | 17 | 41 | 36 | 3 |
| 21 | 0 | 3 | 16 | 41 | 37 | 3 |
| 22 | 0 | 3 | 15 | 41 | 38 | 3 |
| 23 | 0 | 3 | 13 | 40 | 40 | 3 |
| 24 | 0 | 3 | 12 | 40 | 41 | 4 |
| 25 | 0 | 2 | 12 | 39 | 43 | 4 |
| 26 | 0 | 2 | 11 | 38 | 45 | 4 |
| 27 | 0 | 2 | 10 | 38 | 46 | 4 |
| 28 | 0 | 2 | 10 | 37 | 47 | 4 |
| 29 | 0 | 2 | 9 | 36 | 49 | 5 |
| 30 | 0 | 2 | 9 | 35 | 49 | 5 |
| 31 | 0 | 2 | 9 | 34 | 50 | 5 |
Wind in July
Winds average 12 km/h in July.
Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 12 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | light breeze |
| 27 | 12 | light breeze |
| 28 | 12 | light breeze |
| 29 | 12 | calm |
| 30 | 12 | calm |
| 31 | 12 | calm |
Sunrise & sunset in July
Daylight runs from about 15 hours at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over July. Sunrise moves from 4:44 AM to 5:08 AM, and sunset from 7:44 PM to 7:26 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.8 | 14.7 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.5 | 14.4 | 14.4 | 14.4 | 14.3 | 14.3 |
| Sunrise (AM) | 4:44 | 4:45 | 4:45 | 4:46 | 4:46 | 4:47 | 4:48 | 4:48 | 4:49 | 4:50 | 4:50 | 4:51 | 4:52 | 4:52 | 4:53 | 4:54 | 4:55 | 4:56 | 4:56 | 4:57 | 4:58 | 4:59 | 5:00 | 5:01 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:07 | 5:08 |
| Sunset (PM) | 7:44 | 7:44 | 7:44 | 7:44 | 7:43 | 7:43 | 7:43 | 7:43 | 7:42 | 7:42 | 7:42 | 7:41 | 7:41 | 7:40 | 7:40 | 7:39 | 7:38 | 7:38 | 7:37 | 7:36 | 7:36 | 7:35 | 7:34 | 7:33 | 7:32 | 7:31 | 7:30 | 7:29 | 7:28 | 7:27 | 7:26 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.0 | 4:44 | 7:44 |
| 2 | 15.0 | 4:45 | 7:44 |
| 3 | 15.0 | 4:45 | 7:44 |
| 4 | 15.0 | 4:46 | 7:44 |
| 5 | 15.0 | 4:46 | 7:43 |
| 6 | 14.9 | 4:47 | 7:43 |
| 7 | 14.9 | 4:48 | 7:43 |
| 8 | 14.9 | 4:48 | 7:43 |
| 9 | 14.9 | 4:49 | 7:42 |
| 10 | 14.9 | 4:50 | 7:42 |
| 11 | 14.9 | 4:50 | 7:42 |
| 12 | 14.8 | 4:51 | 7:41 |
| 13 | 14.8 | 4:52 | 7:41 |
| 14 | 14.8 | 4:52 | 7:40 |
| 15 | 14.8 | 4:53 | 7:40 |
| 16 | 14.7 | 4:54 | 7:39 |
| 17 | 14.7 | 4:55 | 7:38 |
| 18 | 14.7 | 4:56 | 7:38 |
| 19 | 14.7 | 4:56 | 7:37 |
| 20 | 14.6 | 4:57 | 7:36 |
| 21 | 14.6 | 4:58 | 7:36 |
| 22 | 14.6 | 4:59 | 7:35 |
| 23 | 14.6 | 5:00 | 7:34 |
| 24 | 14.5 | 5:01 | 7:33 |
| 25 | 14.5 | 5:02 | 7:32 |
| 26 | 14.5 | 5:03 | 7:31 |
| 27 | 14.4 | 5:04 | 7:30 |
| 28 | 14.4 | 5:05 | 7:29 |
| 29 | 14.4 | 5:06 | 7:28 |
| 30 | 14.3 | 5:07 | 7:27 |
| 31 | 14.3 | 5:08 | 7:26 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 7.16 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 7.16 kWh/m² in July across the year — July's 7.16 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.9 | 6.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.3 | Intense |
| 2 | 7.3 | Intense |
| 3 | 7.3 | Intense |
| 4 | 7.3 | Intense |
| 5 | 7.3 | Intense |
| 6 | 7.3 | Intense |
| 7 | 7.3 | Intense |
| 8 | 7.3 | Intense |
| 9 | 7.3 | Intense |
| 10 | 7.3 | Intense |
| 11 | 7.3 | Intense |
| 12 | 7.2 | Intense |
| 13 | 7.2 | Intense |
| 14 | 7.2 | Intense |
| 15 | 7.2 | Intense |
| 16 | 7.2 | Intense |
| 17 | 7.2 | Intense |
| 18 | 7.2 | Intense |
| 19 | 7.2 | Intense |
| 20 | 7.1 | Intense |
| 21 | 7.1 | Intense |
| 22 | 7.1 | Intense |
| 23 | 7.1 | Intense |
| 24 | 7.0 | Intense |
| 25 | 7.0 | Intense |
| 26 | 7.0 | Intense |
| 27 | 7.0 | Intense |
| 28 | 6.9 | Intense |
| 29 | 6.9 | Intense |
| 30 | 6.9 | Intense |
| 31 | 6.8 | Intense |
Hazard calendar for Lido di Ostia
None of Lido di Ostia's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Lido di Ostia's rainy season runs September–February, when most of the year's rain falls.
Is July a good time to visit Lido di Ostia?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is one of the better times to visit Lido di Ostia for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Lido di Ostia in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Lido di Ostia sees daytime highs around 25°C and nights near 23°C. Pack sun protection. Worth having: light clothes.
Sea temperature near Lido di Ostia in July
The nearest coast averages about 25°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in August at about 26°C and coldest in February near 14°C.
It's comfortable for a long swim from May 31 to Nov 1 — about 5.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 14 | 15 | 18 | 22 | 25 | 26 | 24 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 24 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Lido di Ostia in July
Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lido di Ostia peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 5 | 4 | 7 | 9 | 10 | 8 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 4 | Moderate |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Where is Lido di Ostia?
Lido di Ostia sits at 41.7°N, 12.3°E, 1 m above sea level, in Italy. The nearest listed city is Fiumicino, 5.0 km away.
Topography around Lido di Ostia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lido di Ostia.
Within 3 km, the terrain around Lido di Ostia has only modest variations in elevation — a maximum elevation change of 24 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 126 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,788 m.
The land around Lido di Ostia is covered by water (45%), grassland (20%) and artificial surfaces (20%) within 3 km, water (56%) within 16 km, and trees (37%) and water (35%) within 80 km.
Italy travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 230 V · 50 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $43,309
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 513
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lido di Ostia (41.7321°, 12.2765°, elevation 1 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).