Velletri weather in December
In December, Velletri sees average daytime highs of 12°C and overnight lows near 5°C, with 113 mm of precipitation across 10.8 wet days and about 9 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.
Highs ease over the month, from about 13°C in the first days to 11°C by the end. The sky is clear or mostly clear about 41% of the time in December, and the air most often feels dry.
Daylight stretches from about 9 h 12 min at the start of December to 9 hours by month's end. Set against the rest of the year, December is Velletri's 8th-clearest and 4th-windiest month. For the whole year in context, see Velletri's year-round climate.
- Daytime high
- 12°
- 10th warmest
- Overnight low
- 5°
- 3rd coldest
- Precipitation
- 113 mm
- 10.8 wet days
- Daylight
- 9 hours
- 7:35 AM – 4:35 PM
- Cloud cover
- 51%
- 8th clearest
- Wind
- 8 km/h
- 4th windiest
- Solar energy
- 1.66 kWh/m²
- Travel score
- 3.2
- out of 10
Velletri is chief town of the homonym municipality.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 13°C in the first days to 11°C by the end.
A typical December day in Velletri reaches about 12°C in the afternoon and slips back to 5°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 15°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.
| 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) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Avg low (°C) | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 13 | 6 |
| 2 | 13 | 6 |
| 3 | 13 | 6 |
| 4 | 13 | 6 |
| 5 | 13 | 5 |
| 6 | 13 | 5 |
| 7 | 13 | 5 |
| 8 | 13 | 5 |
| 9 | 12 | 5 |
| 10 | 12 | 5 |
| 11 | 12 | 5 |
| 12 | 12 | 5 |
| 13 | 12 | 5 |
| 14 | 12 | 5 |
| 15 | 12 | 4 |
| 16 | 12 | 4 |
| 17 | 12 | 4 |
| 18 | 12 | 4 |
| 19 | 12 | 4 |
| 20 | 12 | 4 |
| 21 | 12 | 4 |
| 22 | 12 | 4 |
| 23 | 11 | 4 |
| 24 | 11 | 4 |
| 25 | 11 | 4 |
| 26 | 11 | 4 |
| 27 | 11 | 4 |
| 28 | 11 | 4 |
| 29 | 11 | 4 |
| 30 | 11 | 4 |
| 31 | 11 | 4 |
Velletri weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 11° / 3° | 78 | 9.6 | 0.3 | 9.3 | 2.9 |
| Feb | 12° / 4° | 82 | 9.8 | 0.6 | 10.3 | 3.2 |
| Mar | 15° / 6° | 88 | 10.3 | 0.1 | 11.7 | 4.5 |
| Apr | 18° / 9° | 94 | 12.7 | 0.1 | 13.1 | 5.4 |
| May | 22° / 13° | 75 | 10.1 | 0 | 14.3 | 6.8 |
| Jun | 26° / 16° | 46 | 7.7 | 0 | 15 | 7.3 |
| Jul | 29° / 19° | 29 | 5.2 | 0 | 14.7 | 6.5 |
| Aug | 30° / 19° | 30 | 5.8 | 0 | 13.7 | 6.2 |
| Sep | 25° / 16° | 93 | 10.3 | 0 | 12.3 | 7.0 |
| Oct | 21° / 12° | 125 | 11.3 | 0 | 10.9 | 6.4 |
| Nov | 16° / 8° | 148 | 12.8 | 0 | 9.6 | 4.6 |
| Dec | 12° / 5° | 113 | 10.8 | 0.1 | 9 | 3.2 |
Cloud cover in December
The sky is clear or mostly clear about 41% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 47%. 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 (%) | 50 | 51 | 51 | 51 | 52 | 52 | 51 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 53 | 54 | 54 | 54 | 55 | 55 |
| Cloudier (%) | 50 | 49 | 49 | 49 | 48 | 48 | 49 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 47 | 46 | 46 | 46 | 45 | 45 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 50 | 50 |
| 2 | 51 | 49 |
| 3 | 51 | 49 |
| 4 | 51 | 49 |
| 5 | 52 | 48 |
| 6 | 52 | 48 |
| 7 | 51 | 49 |
| 8 | 52 | 48 |
| 9 | 52 | 48 |
| 10 | 53 | 47 |
| 11 | 53 | 47 |
| 12 | 53 | 47 |
| 13 | 53 | 47 |
| 14 | 53 | 47 |
| 15 | 53 | 47 |
| 16 | 53 | 47 |
| 17 | 53 | 47 |
| 18 | 53 | 47 |
| 19 | 53 | 47 |
| 20 | 53 | 47 |
| 21 | 53 | 47 |
| 22 | 53 | 47 |
| 23 | 53 | 47 |
| 24 | 54 | 46 |
| 25 | 54 | 46 |
| 26 | 53 | 47 |
| 27 | 54 | 46 |
| 28 | 54 | 46 |
| 29 | 54 | 46 |
| 30 | 55 | 45 |
| 31 | 55 | 45 |
Chance of precipitation in December
Velletri gets around 113 mm of rain and snow over 10.8 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 35% and peaks near 38% on the wettest days, and about 0 day brings snow.
| 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 (%) | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 38 |
| 3 | 38 |
| 4 | 38 |
| 5 | 38 |
| 6 | 37 |
| 7 | 37 |
| 8 | 37 |
| 9 | 37 |
| 10 | 36 |
| 11 | 36 |
| 12 | 35 |
| 13 | 35 |
| 14 | 35 |
| 15 | 34 |
| 16 | 34 |
| 17 | 34 |
| 18 | 34 |
| 19 | 34 |
| 20 | 34 |
| 21 | 34 |
| 22 | 34 |
| 23 | 34 |
| 24 | 33 |
| 25 | 33 |
| 26 | 33 |
| 27 | 33 |
| 28 | 33 |
| 29 | 33 |
| 30 | 32 |
| 31 | 32 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 100% 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 (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
| 31 | 100 |
Wind in December
Winds average 8 km/h in December.
Across December, daily wind ranges from about 8 km/h on the calmest days to 8 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 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 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 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in December
Daylight runs from about 9 h 12 min at the start of December to 9 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over December. Sunrise moves from 7:23 AM to 7:42 AM, and sunset from 4:35 PM to 4:42 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) | 9.2 | 9.2 | 9.2 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 |
| Sunrise (AM) | 7:23 | 7:24 | 7:25 | 7:26 | 7:27 | 7:27 | 7:28 | 7:29 | 7:30 | 7:31 | 7:32 | 7:32 | 7:33 | 7:34 | 7:35 | 7:35 | 7:36 | 7:37 | 7:37 | 7:38 | 7:38 | 7:39 | 7:39 | 7:40 | 7:40 | 7:40 | 7:41 | 7:41 | 7:41 | 7:41 | 7:42 |
| Sunset (PM) | 4:35 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:35 | 4:35 | 4:35 | 4:35 | 4:36 | 4:36 | 4:37 | 4:37 | 4:37 | 4:38 | 4:39 | 4:39 | 4:40 | 4:40 | 4:41 | 4:42 | 4:42 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.2 | 7:23 | 4:35 |
| 2 | 9.2 | 7:24 | 4:34 |
| 3 | 9.2 | 7:25 | 4:34 |
| 4 | 9.1 | 7:26 | 4:34 |
| 5 | 9.1 | 7:27 | 4:34 |
| 6 | 9.1 | 7:27 | 4:34 |
| 7 | 9.1 | 7:28 | 4:34 |
| 8 | 9.1 | 7:29 | 4:34 |
| 9 | 9.1 | 7:30 | 4:34 |
| 10 | 9.0 | 7:31 | 4:34 |
| 11 | 9.0 | 7:32 | 4:34 |
| 12 | 9.0 | 7:32 | 4:34 |
| 13 | 9.0 | 7:33 | 4:34 |
| 14 | 9.0 | 7:34 | 4:34 |
| 15 | 9.0 | 7:35 | 4:35 |
| 16 | 9.0 | 7:35 | 4:35 |
| 17 | 9.0 | 7:36 | 4:35 |
| 18 | 9.0 | 7:37 | 4:35 |
| 19 | 9.0 | 7:37 | 4:36 |
| 20 | 9.0 | 7:38 | 4:36 |
| 21 | 9.0 | 7:38 | 4:37 |
| 22 | 9.0 | 7:39 | 4:37 |
| 23 | 9.0 | 7:39 | 4:37 |
| 24 | 9.0 | 7:40 | 4:38 |
| 25 | 9.0 | 7:40 | 4:39 |
| 26 | 9.0 | 7:40 | 4:39 |
| 27 | 9.0 | 7:41 | 4:40 |
| 28 | 9.0 | 7:41 | 4:40 |
| 29 | 9.0 | 7:41 | 4:41 |
| 30 | 9.0 | 7:41 | 4:42 |
| 31 | 9.0 | 7:42 | 4:42 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 1.66 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 7.08 kWh/m² in July across the year — December's 1.66 kWh/m² sits near the bottom.
| 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) | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.7 | Dim |
| 2 | 1.7 | Dim |
| 3 | 1.7 | Dim |
| 4 | 1.7 | Dim |
| 5 | 1.7 | Dim |
| 6 | 1.7 | Dim |
| 7 | 1.7 | Dim |
| 8 | 1.7 | Dim |
| 9 | 1.7 | Dim |
| 10 | 1.7 | Dim |
| 11 | 1.7 | Dim |
| 12 | 1.7 | Dim |
| 13 | 1.7 | Dim |
| 14 | 1.6 | Dim |
| 15 | 1.6 | Dim |
| 16 | 1.6 | Dim |
| 17 | 1.6 | Dim |
| 18 | 1.6 | Dim |
| 19 | 1.6 | Dim |
| 20 | 1.6 | Dim |
| 21 | 1.6 | Dim |
| 22 | 1.6 | Dim |
| 23 | 1.6 | Dim |
| 24 | 1.6 | Dim |
| 25 | 1.7 | Dim |
| 26 | 1.7 | Dim |
| 27 | 1.7 | Dim |
| 28 | 1.7 | Dim |
| 29 | 1.7 | Dim |
| 30 | 1.7 | Dim |
| 31 | 1.7 | Dim |
Is December a good time to visit Velletri?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Velletri.
What to pack for Velletri in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Velletri sees daytime highs around 12°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 11 days see rain.
Sea temperature near Velletri in December
The nearest coast averages about 16°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 34 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 Velletri in December
Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Velletri peaks around July 15 at about 10 (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 |
Air quality in Velletri in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Velletri is worst in April — around 17 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) | 15 | 15 | 17 | 17 | 15 | 14 | 12 | 13 | 11 | 12 | 12 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Good | Moderate | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 15 | Moderate |
| Mar | 17 | Moderate |
| Apr | 17 | Moderate |
| May | 15 | Moderate |
| Jun | 14 | Moderate |
| Jul | 12 | Good |
| Aug | 13 | Moderate |
| Sep | 11 | Good |
| Oct | 12 | Moderate |
| Nov | 12 | Good |
| Dec | 13 | Moderate |
Where is Velletri?
Velletri sits at 41.7°N, 12.8°E, 332 m above sea level, in Italy. The nearest listed city is Genzano di Roma, 8.0 km away.
Topography around Velletri
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Velletri.
Within 3 km, the terrain around Velletri has significant variations in elevation — a maximum elevation change of 532 m around an average of 316 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,163 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,441 m.
The land around Velletri is covered by trees (80%) within 3 km, trees (60%) within 16 km, and trees (43%) and water (30%) 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 Velletri (41.6857°, 12.7775°, elevation 332 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).