Lido di Ostia weather in May
In May, Lido di Ostia sees average daytime highs of 19°C and overnight lows near 16°C, with 40 mm of rain across 6 wet days and about 14.3 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 54% of the time in May, and the air most often feels comfortable.
Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Lido di Ostia's 5th-clearest and 9th-windiest month. For the whole year in context, see Lido di Ostia's year-round climate.
- Daytime high
- 19°
- 6th warmest
- Overnight low
- 16°
- 7th coldest
- Rainfall
- 40 mm
- 6 wet days
- Daylight
- 14 h 18 min
- 4:57 AM – 7:18 PM
- Cloud cover
- 40%
- 5th clearest
- Wind
- 13 km/h
- 9th windiest
- Solar energy
- 6.51 kWh/m²
- Travel score
- 7.1
- 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 May
Highs climb over the month, from about 18°C in the first days to 21°C by the end.
A typical May day in Lido di Ostia reaches about 19°C in the afternoon and slips back to 16°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 22°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.
| 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) | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 |
| Avg low (°C) | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 14 |
| 2 | 18 | 14 |
| 3 | 18 | 15 |
| 4 | 18 | 15 |
| 5 | 18 | 15 |
| 6 | 18 | 15 |
| 7 | 18 | 15 |
| 8 | 18 | 15 |
| 9 | 18 | 15 |
| 10 | 19 | 15 |
| 11 | 19 | 16 |
| 12 | 19 | 16 |
| 13 | 19 | 16 |
| 14 | 19 | 16 |
| 15 | 19 | 16 |
| 16 | 19 | 16 |
| 17 | 19 | 16 |
| 18 | 20 | 16 |
| 19 | 20 | 16 |
| 20 | 20 | 17 |
| 21 | 20 | 17 |
| 22 | 20 | 17 |
| 23 | 20 | 17 |
| 24 | 20 | 17 |
| 25 | 20 | 17 |
| 26 | 20 | 17 |
| 27 | 21 | 17 |
| 28 | 21 | 17 |
| 29 | 21 | 18 |
| 30 | 21 | 18 |
| 31 | 21 | 18 |
Lido di Ostia weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-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 May
The sky is clear or mostly clear about 54% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.
| 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 (%) | 62 | 63 | 64 | 64 | 65 | 65 | 66 | 66 | 68 | 68 | 68 | 69 | 69 | 70 | 71 | 71 | 72 | 72 | 72 | 73 | 73 | 74 | 74 | 74 | 75 | 75 | 75 | 74 | 74 | 75 | 75 |
| Cloudier (%) | 38 | 37 | 36 | 36 | 35 | 35 | 34 | 34 | 32 | 32 | 32 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 62 | 38 |
| 2 | 63 | 37 |
| 3 | 64 | 36 |
| 4 | 64 | 36 |
| 5 | 65 | 35 |
| 6 | 65 | 35 |
| 7 | 66 | 34 |
| 8 | 66 | 34 |
| 9 | 68 | 32 |
| 10 | 68 | 32 |
| 11 | 68 | 32 |
| 12 | 69 | 31 |
| 13 | 69 | 31 |
| 14 | 70 | 30 |
| 15 | 71 | 29 |
| 16 | 71 | 29 |
| 17 | 72 | 28 |
| 18 | 72 | 28 |
| 19 | 72 | 28 |
| 20 | 73 | 27 |
| 21 | 73 | 27 |
| 22 | 74 | 26 |
| 23 | 74 | 26 |
| 24 | 74 | 26 |
| 25 | 75 | 25 |
| 26 | 75 | 25 |
| 27 | 75 | 25 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 75 | 25 |
| 31 | 75 | 25 |
Chance of precipitation in May
Lido di Ostia gets around 40 mm of rain over 6 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 20% and peaks near 26% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 |
| Rain chance (%) | |
|---|---|
| 1 | 26 |
| 2 | 26 |
| 3 | 25 |
| 4 | 25 |
| 5 | 25 |
| 6 | 24 |
| 7 | 24 |
| 8 | 24 |
| 9 | 23 |
| 10 | 23 |
| 11 | 22 |
| 12 | 22 |
| 13 | 21 |
| 14 | 20 |
| 15 | 20 |
| 16 | 19 |
| 17 | 19 |
| 18 | 18 |
| 19 | 18 |
| 20 | 17 |
| 21 | 17 |
| 22 | 16 |
| 23 | 16 |
| 24 | 15 |
| 25 | 15 |
| 26 | 15 |
| 27 | 15 |
| 28 | 14 |
| 29 | 14 |
| 30 | 14 |
| 31 | 14 |
Humidity in May
Most of May feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the comfortable band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 47 | 44 | 41 | 39 | 37 | 34 | 33 | 31 | 30 | 28 | 27 | 26 | 26 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 17 | 16 | 15 | 14 | 13 | 11 | 10 | 9 |
| Comfortable (%) | 49 | 51 | 53 | 53 | 54 | 55 | 55 | 55 | 54 | 54 | 53 | 53 | 51 | 50 | 48 | 47 | 45 | 44 | 42 | 41 | 39 | 38 | 37 | 36 | 35 | 34 | 32 | 31 | 30 | 29 | 27 |
| Humid (%) | 4 | 5 | 6 | 8 | 9 | 11 | 12 | 14 | 16 | 18 | 20 | 21 | 23 | 25 | 27 | 29 | 30 | 32 | 34 | 35 | 36 | 38 | 39 | 40 | 41 | 43 | 44 | 45 | 46 | 46 | 46 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 13 | 15 | 17 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 47 | 49 | 4 | 0 |
| 2 | 44 | 51 | 5 | 0 |
| 3 | 41 | 53 | 6 | 0 |
| 4 | 39 | 53 | 8 | 0 |
| 5 | 37 | 54 | 9 | 0 |
| 6 | 34 | 55 | 11 | 0 |
| 7 | 33 | 55 | 12 | 0 |
| 8 | 31 | 55 | 14 | 0 |
| 9 | 30 | 54 | 16 | 0 |
| 10 | 28 | 54 | 18 | 0 |
| 11 | 27 | 53 | 20 | 0 |
| 12 | 26 | 53 | 21 | 0 |
| 13 | 26 | 51 | 23 | 0 |
| 14 | 25 | 50 | 25 | 0 |
| 15 | 24 | 48 | 27 | 1 |
| 16 | 24 | 47 | 29 | 1 |
| 17 | 23 | 45 | 30 | 2 |
| 18 | 22 | 44 | 32 | 2 |
| 19 | 22 | 42 | 34 | 3 |
| 20 | 21 | 41 | 35 | 3 |
| 21 | 20 | 39 | 36 | 4 |
| 22 | 19 | 38 | 38 | 5 |
| 23 | 19 | 37 | 39 | 6 |
| 24 | 17 | 36 | 40 | 7 |
| 25 | 16 | 35 | 41 | 8 |
| 26 | 15 | 34 | 43 | 9 |
| 27 | 14 | 32 | 44 | 10 |
| 28 | 13 | 31 | 45 | 12 |
| 29 | 11 | 30 | 46 | 13 |
| 30 | 10 | 29 | 46 | 15 |
| 31 | 9 | 27 | 46 | 17 |
Wind in May
Winds average 13 km/h in May.
Across May, daily wind ranges from about 13 km/h on the calmest days to 14 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) | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| 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 | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in May
Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 60 minutes over May. Sunrise moves from 5:15 AM to 4:45 AM, and sunset from 7:01 PM to 7:31 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) | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.7 | 14.7 | 14.8 |
| Sunrise (AM) | 5:15 | 5:13 | 5:12 | 5:11 | 5:09 | 5:08 | 5:07 | 5:06 | 5:04 | 5:03 | 5:02 | 5:01 | 5:00 | 4:59 | 4:58 | 4:57 | 4:56 | 4:55 | 4:54 | 4:53 | 4:52 | 4:51 | 4:50 | 4:50 | 4:49 | 4:48 | 4:48 | 4:47 | 4:46 | 4:46 | 4:45 |
| Sunset (PM) | 7:01 | 7:03 | 7:04 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 | 7:10 | 7:11 | 7:12 | 7:13 | 7:14 | 7:15 | 7:17 | 7:18 | 7:19 | 7:20 | 7:21 | 7:22 | 7:23 | 7:23 | 7:24 | 7:25 | 7:26 | 7:27 | 7:28 | 7:29 | 7:30 | 7:31 | 7:31 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.8 | 5:15 | 7:01 |
| 2 | 13.8 | 5:13 | 7:03 |
| 3 | 13.9 | 5:12 | 7:04 |
| 4 | 13.9 | 5:11 | 7:05 |
| 5 | 13.9 | 5:09 | 7:06 |
| 6 | 14.0 | 5:08 | 7:07 |
| 7 | 14.0 | 5:07 | 7:08 |
| 8 | 14.1 | 5:06 | 7:09 |
| 9 | 14.1 | 5:04 | 7:10 |
| 10 | 14.1 | 5:03 | 7:11 |
| 11 | 14.2 | 5:02 | 7:12 |
| 12 | 14.2 | 5:01 | 7:13 |
| 13 | 14.2 | 5:00 | 7:14 |
| 14 | 14.3 | 4:59 | 7:15 |
| 15 | 14.3 | 4:58 | 7:17 |
| 16 | 14.3 | 4:57 | 7:18 |
| 17 | 14.4 | 4:56 | 7:19 |
| 18 | 14.4 | 4:55 | 7:20 |
| 19 | 14.4 | 4:54 | 7:21 |
| 20 | 14.5 | 4:53 | 7:22 |
| 21 | 14.5 | 4:52 | 7:23 |
| 22 | 14.5 | 4:51 | 7:23 |
| 23 | 14.6 | 4:50 | 7:24 |
| 24 | 14.6 | 4:50 | 7:25 |
| 25 | 14.6 | 4:49 | 7:26 |
| 26 | 14.6 | 4:48 | 7:27 |
| 27 | 14.7 | 4:48 | 7:28 |
| 28 | 14.7 | 4:47 | 7:29 |
| 29 | 14.7 | 4:46 | 7:30 |
| 30 | 14.7 | 4:46 | 7:31 |
| 31 | 14.8 | 4:45 | 7:31 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.51 kWh/m².
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 — May's 6.51 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) | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 |
| Level | Bright | 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 | 6.0 | Bright |
| 2 | 6.0 | Intense |
| 3 | 6.0 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.2 | Intense |
| 8 | 6.2 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.5 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.6 | Intense |
| 20 | 6.6 | Intense |
| 21 | 6.6 | Intense |
| 22 | 6.7 | Intense |
| 23 | 6.7 | Intense |
| 24 | 6.7 | Intense |
| 25 | 6.7 | Intense |
| 26 | 6.8 | Intense |
| 27 | 6.8 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.8 | Intense |
| 31 | 6.8 | Intense |
Hazard calendar for Lido di Ostia
None of Lido di Ostia's seasonal hazards are active in May. 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 May a good time to visit Lido di Ostia?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit Lido di Ostia for general sightseeing.
What to pack for Lido di Ostia in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Lido di Ostia sees daytime highs around 19°C and nights near 16°C. Pack sun protection. About 6 days see rain.
Sea temperature near Lido di Ostia in May
The nearest coast averages about 18°C in May — 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 May
Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. 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).