Somma Vesuviana weather in July
In July, Somma Vesuviana sees average daytime highs of 26°C and overnight lows near 22°C, with 16 mm of rain across 3.1 wet days and about 14.6 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 85% of the time in July, and the air most often feels muggy.
Daylight stretches from about 14 h 54 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Somma Vesuviana's 1st-clearest and 10th-windiest month. For the whole year in context, see Somma Vesuviana's year-round climate.
- Daytime high
- 26°
- 2nd warmest
- Overnight low
- 22°
- 11th coldest
- Rainfall
- 16 mm
- 3.1 wet days
- Daylight
- 14 h 42 min
- 4:48 AM – 7:28 PM
- Cloud cover
- 19%
- 1st clearest
- Wind
- 9 km/h
- 10th windiest
- Solar energy
- 7.06 kWh/m²
- Travel score
- 8.5
- out of 10
Somma Vesuviana is chief town of the homonym municipality.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 26°C through the month.
A typical July day in Somma Vesuviana reaches about 26°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°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) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 21 |
| 2 | 26 | 21 |
| 3 | 26 | 21 |
| 4 | 26 | 21 |
| 5 | 26 | 21 |
| 6 | 26 | 21 |
| 7 | 26 | 21 |
| 8 | 26 | 21 |
| 9 | 26 | 21 |
| 10 | 26 | 21 |
| 11 | 26 | 21 |
| 12 | 26 | 21 |
| 13 | 26 | 22 |
| 14 | 26 | 22 |
| 15 | 26 | 22 |
| 16 | 26 | 22 |
| 17 | 26 | 22 |
| 18 | 27 | 22 |
| 19 | 27 | 22 |
| 20 | 27 | 22 |
| 21 | 27 | 22 |
| 22 | 27 | 22 |
| 23 | 27 | 22 |
| 24 | 27 | 22 |
| 25 | 27 | 22 |
| 26 | 27 | 22 |
| 27 | 27 | 22 |
| 28 | 27 | 22 |
| 29 | 27 | 22 |
| 30 | 27 | 22 |
| 31 | 27 | 22 |
Somma Vesuviana 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 12° / 8° | 122 | 11.6 | 0.4 | 9.4 | 2.9 |
| Feb | 12° / 8° | 104 | 11 | 0.6 | 10.4 | 3.0 |
| Mar | 14° / 9° | 103 | 10.4 | 0.3 | 11.7 | 4.0 |
| Apr | 16° / 11° | 86 | 11 | 0 | 13.1 | 5.0 |
| May | 20° / 15° | 59 | 7.7 | 0 | 14.2 | 6.8 |
| Jun | 24° / 19° | 29 | 5 | 0 | 14.9 | 8.2 |
| Jul | 26° / 22° | 16 | 3.1 | 0 | 14.6 | 8.5 |
| Aug | 27° / 22° | 22 | 3.9 | 0 | 13.6 | 8.1 |
| Sep | 24° / 19° | 90 | 8.5 | 0 | 12.3 | 7.4 |
| Oct | 20° / 16° | 131 | 10.4 | 0 | 10.9 | 6.5 |
| Nov | 16° / 12° | 183 | 13.4 | 0.1 | 9.7 | 4.8 |
| Dec | 13° / 9° | 151 | 13.2 | 0.2 | 9.1 | 3.4 |
Cloud cover in July
The sky is clear or mostly clear about 85% of the time in July, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 10% 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 | 93 | 93 | 93 | 93 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 94 | 94 | 94 |
| Cloudier (%) | 8 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 92 | 8 |
| 2 | 93 | 7 |
| 3 | 93 | 7 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 94 | 6 |
| 7 | 95 | 5 |
| 8 | 95 | 5 |
| 9 | 95 | 5 |
| 10 | 95 | 5 |
| 11 | 95 | 5 |
| 12 | 95 | 5 |
| 13 | 95 | 5 |
| 14 | 95 | 5 |
| 15 | 96 | 4 |
| 16 | 96 | 4 |
| 17 | 96 | 4 |
| 18 | 95 | 5 |
| 19 | 95 | 5 |
| 20 | 95 | 5 |
| 21 | 95 | 5 |
| 22 | 95 | 5 |
| 23 | 95 | 5 |
| 24 | 95 | 5 |
| 25 | 94 | 6 |
| 26 | 94 | 6 |
| 27 | 94 | 6 |
| 28 | 94 | 6 |
| 29 | 94 | 6 |
| 30 | 94 | 6 |
| 31 | 94 | 6 |
Chance of precipitation in July
Somma Vesuviana gets around 16 mm of rain over 3.1 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 10% and peaks near 12% 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 (%) | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Rain chance (%) | |
|---|---|
| 1 | 7 |
| 2 | 7 |
| 3 | 8 |
| 4 | 8 |
| 5 | 8 |
| 6 | 8 |
| 7 | 8 |
| 8 | 8 |
| 9 | 9 |
| 10 | 9 |
| 11 | 9 |
| 12 | 9 |
| 13 | 9 |
| 14 | 9 |
| 15 | 10 |
| 16 | 10 |
| 17 | 10 |
| 18 | 11 |
| 19 | 11 |
| 20 | 11 |
| 21 | 11 |
| 22 | 11 |
| 23 | 11 |
| 24 | 11 |
| 25 | 12 |
| 26 | 12 |
| 27 | 12 |
| 28 | 12 |
| 29 | 12 |
| 30 | 12 |
| 31 | 12 |
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 46% of days. Sticky, muggy-or-worse air turns up on roughly 59% 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 (%) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 |
| Humid (%) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 28 | 27 | 26 | 26 | 25 | 24 | 23 | 22 | 22 | 21 | 21 |
| Muggy (%) | 43 | 44 | 44 | 45 | 45 | 45 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 45 | 46 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 52 | 53 | 53 |
| Oppressive (%) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 14 | 15 | 16 | 16 | 17 | 18 | 18 | 19 | 19 | 20 | 20 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 3 | 14 | 30 | 43 | 10 |
| 2 | 3 | 14 | 30 | 44 | 10 |
| 3 | 3 | 13 | 30 | 44 | 10 |
| 4 | 2 | 13 | 30 | 45 | 10 |
| 5 | 2 | 13 | 30 | 45 | 10 |
| 6 | 2 | 13 | 30 | 45 | 10 |
| 7 | 2 | 13 | 30 | 44 | 10 |
| 8 | 2 | 13 | 31 | 44 | 10 |
| 9 | 2 | 13 | 31 | 44 | 10 |
| 10 | 2 | 13 | 32 | 43 | 10 |
| 11 | 2 | 13 | 32 | 43 | 9 |
| 12 | 2 | 13 | 32 | 43 | 9 |
| 13 | 3 | 13 | 32 | 43 | 9 |
| 14 | 3 | 13 | 32 | 43 | 9 |
| 15 | 3 | 13 | 32 | 43 | 10 |
| 16 | 3 | 13 | 31 | 43 | 10 |
| 17 | 3 | 12 | 31 | 43 | 11 |
| 18 | 2 | 12 | 30 | 44 | 12 |
| 19 | 2 | 11 | 30 | 44 | 12 |
| 20 | 2 | 11 | 29 | 45 | 13 |
| 21 | 2 | 10 | 28 | 46 | 14 |
| 22 | 2 | 10 | 27 | 46 | 15 |
| 23 | 2 | 9 | 26 | 47 | 16 |
| 24 | 1 | 8 | 26 | 48 | 16 |
| 25 | 1 | 8 | 25 | 49 | 17 |
| 26 | 1 | 7 | 24 | 50 | 18 |
| 27 | 1 | 7 | 23 | 51 | 18 |
| 28 | 1 | 6 | 22 | 52 | 19 |
| 29 | 1 | 6 | 22 | 52 | 19 |
| 30 | 1 | 5 | 21 | 53 | 20 |
| 31 | 1 | 5 | 21 | 53 | 20 |
Wind in July
Winds average 9 km/h in July.
Across July, daily wind ranges from about 8 km/h on the calmest days to 9 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) | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in July
Daylight runs from about 14 h 54 min at the start of July to 14 h 12 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 4:39 AM to 5:01 AM, and sunset from 7:33 PM to 7:16 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) | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.8 | 14.8 | 14.8 | 14.7 | 14.7 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.5 | 14.5 | 14.4 | 14.4 | 14.4 | 14.3 | 14.3 | 14.3 | 14.2 |
| Sunrise (AM) | 4:39 | 4:39 | 4:39 | 4:40 | 4:41 | 4:41 | 4:42 | 4:42 | 4:43 | 4:44 | 4:44 | 4:45 | 4:46 | 4:46 | 4:47 | 4:48 | 4:49 | 4:50 | 4:50 | 4:51 | 4:52 | 4:53 | 4:54 | 4:55 | 4:56 | 4:56 | 4:57 | 4:58 | 4:59 | 5:00 | 5:01 |
| Sunset (PM) | 7:33 | 7:33 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:31 | 7:31 | 7:31 | 7:30 | 7:30 | 7:29 | 7:29 | 7:28 | 7:28 | 7:27 | 7:27 | 7:26 | 7:25 | 7:25 | 7:24 | 7:23 | 7:22 | 7:21 | 7:20 | 7:20 | 7:19 | 7:18 | 7:17 | 7:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.9 | 4:39 | 7:33 |
| 2 | 14.9 | 4:39 | 7:33 |
| 3 | 14.9 | 4:39 | 7:32 |
| 4 | 14.9 | 4:40 | 7:32 |
| 5 | 14.9 | 4:41 | 7:32 |
| 6 | 14.8 | 4:41 | 7:32 |
| 7 | 14.8 | 4:42 | 7:32 |
| 8 | 14.8 | 4:42 | 7:31 |
| 9 | 14.8 | 4:43 | 7:31 |
| 10 | 14.8 | 4:44 | 7:31 |
| 11 | 14.8 | 4:44 | 7:30 |
| 12 | 14.7 | 4:45 | 7:30 |
| 13 | 14.7 | 4:46 | 7:29 |
| 14 | 14.7 | 4:46 | 7:29 |
| 15 | 14.7 | 4:47 | 7:28 |
| 16 | 14.7 | 4:48 | 7:28 |
| 17 | 14.6 | 4:49 | 7:27 |
| 18 | 14.6 | 4:50 | 7:27 |
| 19 | 14.6 | 4:50 | 7:26 |
| 20 | 14.6 | 4:51 | 7:25 |
| 21 | 14.5 | 4:52 | 7:25 |
| 22 | 14.5 | 4:53 | 7:24 |
| 23 | 14.5 | 4:54 | 7:23 |
| 24 | 14.5 | 4:55 | 7:22 |
| 25 | 14.4 | 4:56 | 7:21 |
| 26 | 14.4 | 4:56 | 7:20 |
| 27 | 14.4 | 4:57 | 7:20 |
| 28 | 14.3 | 4:58 | 7:19 |
| 29 | 14.3 | 4:59 | 7:18 |
| 30 | 14.3 | 5:00 | 7:17 |
| 31 | 14.2 | 5:01 | 7:16 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 7.06 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 7.06 kWh/m² in July across the year — July's 7.06 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) | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 |
| 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 | 7.2 | Intense |
| 2 | 7.2 | Intense |
| 3 | 7.2 | Intense |
| 4 | 7.2 | Intense |
| 5 | 7.2 | Intense |
| 6 | 7.2 | Intense |
| 7 | 7.2 | Intense |
| 8 | 7.2 | Intense |
| 9 | 7.2 | Intense |
| 10 | 7.2 | Intense |
| 11 | 7.2 | Intense |
| 12 | 7.1 | Intense |
| 13 | 7.1 | Intense |
| 14 | 7.1 | Intense |
| 15 | 7.1 | Intense |
| 16 | 7.1 | Intense |
| 17 | 7.1 | Intense |
| 18 | 7.1 | Intense |
| 19 | 7.0 | Intense |
| 20 | 7.0 | Intense |
| 21 | 7.0 | Intense |
| 22 | 7.0 | Intense |
| 23 | 7.0 | Intense |
| 24 | 6.9 | Intense |
| 25 | 6.9 | Intense |
| 26 | 6.9 | Intense |
| 27 | 6.8 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.8 | Intense |
| 31 | 6.7 | Intense |
Hazard calendar for Somma Vesuviana
None of Somma Vesuviana's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Somma Vesuviana's rainy season runs September–April, when most of the year's rain falls.
Is July a good time to visit Somma Vesuviana?
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 Somma Vesuviana for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Somma Vesuviana in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Somma Vesuviana sees daytime highs around 26°C and nights near 22°C. Pack sun protection. Worth having: light clothes. About 3 days see rain.
Sea temperature near Somma Vesuviana 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 offshore is warmest in August at about 26°C and coldest in February near 14°C.
It's comfortable for a long swim from May 26 to Nov 7 — about 5.5 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 | 16 | 19 | 23 | 25 | 26 | 24 | 22 | 19 | 17 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 23 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 24 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Somma Vesuviana 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 Somma Vesuviana peaks around July 16 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 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 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 | 2 | 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 |
Air quality in Somma Vesuviana in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Somma Vesuviana is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 14 | 16 | 16 | 14 | 13 | 11 | 12 | 12 | 12 | 10 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 16 | Moderate |
| May | 14 | Moderate |
| Jun | 13 | Moderate |
| Jul | 11 | Good |
| Aug | 12 | Good |
| Sep | 12 | Good |
| Oct | 12 | Good |
| Nov | 10 | Good |
| Dec | 10 | Good |
Where is Somma Vesuviana?
Somma Vesuviana sits at 40.9°N, 14.4°E, 165 m above sea level, in Italy. The nearest listed city is Sant'Anastasia, 3.0 km away.
Topography around Somma Vesuviana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Somma Vesuviana.
Within 3 km, the terrain around Somma Vesuviana has large variations in elevation — a maximum elevation change of 639 m around an average of 175 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,279 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.
The land around Somma Vesuviana is covered by trees (57%) and artificial surfaces (22%) within 3 km, trees (41%) and artificial surfaces (29%) within 16 km, and trees (38%) and water (37%) 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 Somma Vesuviana (40.8733°, 14.4387°, elevation 165 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).