Vialonga weather in August
In August, Vialonga sees average daytime highs of 28°C and overnight lows near 17°C, with 5 mm of rain across 1 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 80% of the time in August, and the air most often feels comfortable.
Daylight stretches from about 14 h 06 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Vialonga's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Vialonga's year-round climate.
- Daytime high
- 28°
- 1st warmest
- Overnight low
- 17°
- 12th coldest
- Rainfall
- 5 mm
- 1 wet days
- Daylight
- 13 h 30 min
- 5:55 AM – 7:26 PM
- Cloud cover
- 20%
- 2nd clearest
- Wind
- 14 km/h
- 2nd windiest
- Solar energy
- 6.83 kWh/m²
- Travel score
- 7.9
- out of 10
Vialonga is human settlement in Portugal.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 28°C through the month.
A typical August day in Vialonga reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.
| 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 18 |
| 2 | 29 | 18 |
| 3 | 29 | 18 |
| 4 | 29 | 18 |
| 5 | 29 | 18 |
| 6 | 29 | 18 |
| 7 | 29 | 18 |
| 8 | 29 | 18 |
| 9 | 29 | 18 |
| 10 | 29 | 18 |
| 11 | 29 | 18 |
| 12 | 29 | 18 |
| 13 | 29 | 18 |
| 14 | 28 | 18 |
| 15 | 28 | 18 |
| 16 | 28 | 18 |
| 17 | 28 | 17 |
| 18 | 28 | 17 |
| 19 | 28 | 17 |
| 20 | 28 | 17 |
| 21 | 28 | 17 |
| 22 | 28 | 17 |
| 23 | 28 | 17 |
| 24 | 28 | 17 |
| 25 | 28 | 17 |
| 26 | 28 | 17 |
| 27 | 28 | 17 |
| 28 | 28 | 17 |
| 29 | 28 | 17 |
| 30 | 28 | 17 |
| 31 | 28 | 17 |
Vialonga weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 8° | 61 | 8.4 | 9.6 | 4.4 |
| Feb | 15° / 8° | 47 | 7 | 10.5 | 5.0 |
| Mar | 18° / 10° | 51 | 7.6 | 11.7 | 6.2 |
| Apr | 19° / 11° | 51 | 8.6 | 13 | 6.5 |
| May | 22° / 13° | 42 | 6.3 | 14.1 | 7.5 |
| Jun | 25° / 16° | 10 | 2.4 | 14.7 | 8.5 |
| Jul | 28° / 17° | 2 | 0.7 | 14.4 | 8.2 |
| Aug | 28° / 17° | 5 | 1 | 13.5 | 7.9 |
| Sep | 26° / 16° | 28 | 4.4 | 12.3 | 8.0 |
| Oct | 22° / 14° | 75 | 8.8 | 11 | 7.0 |
| Nov | 17° / 11° | 75 | 9.2 | 9.9 | 5.8 |
| Dec | 15° / 9° | 73 | 8.9 | 9.3 | 4.6 |
Cloud cover in August
The sky is clear or mostly clear about 80% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to cloud over 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 (%) | 94 | 94 | 94 | 93 | 93 | 93 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 89 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 87 | 87 | 87 | 87 |
| Cloudier (%) | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 13 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 94 | 6 |
| 2 | 94 | 6 |
| 3 | 94 | 6 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 93 | 7 |
| 7 | 92 | 8 |
| 8 | 92 | 8 |
| 9 | 92 | 8 |
| 10 | 91 | 9 |
| 11 | 91 | 9 |
| 12 | 91 | 9 |
| 13 | 91 | 9 |
| 14 | 91 | 9 |
| 15 | 91 | 9 |
| 16 | 91 | 9 |
| 17 | 91 | 9 |
| 18 | 90 | 10 |
| 19 | 90 | 10 |
| 20 | 89 | 11 |
| 21 | 89 | 11 |
| 22 | 89 | 11 |
| 23 | 89 | 11 |
| 24 | 89 | 11 |
| 25 | 89 | 11 |
| 26 | 88 | 12 |
| 27 | 88 | 12 |
| 28 | 87 | 13 |
| 29 | 87 | 13 |
| 30 | 87 | 13 |
| 31 | 87 | 13 |
Chance of precipitation in August
Vialonga gets around 5 mm of rain over 1 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 3% and peaks near 5% 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 (%) | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
| Rain chance (%) | |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 3 |
| 10 | 3 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 3 |
| 21 | 3 |
| 22 | 3 |
| 23 | 4 |
| 24 | 4 |
| 25 | 4 |
| 26 | 4 |
| 27 | 4 |
| 28 | 4 |
| 29 | 4 |
| 30 | 5 |
| 31 | 5 |
Humidity in August
Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the comfortable band about 49% 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 (%) | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 16 |
| Comfortable (%) | 53 | 53 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 51 | 50 | 50 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 46 |
| Humid (%) | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 |
| Muggy (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 11 | 53 | 33 | 3 |
| 2 | 11 | 53 | 33 | 3 |
| 3 | 12 | 52 | 33 | 3 |
| 4 | 12 | 52 | 33 | 3 |
| 5 | 13 | 52 | 32 | 3 |
| 6 | 13 | 52 | 32 | 3 |
| 7 | 13 | 52 | 32 | 3 |
| 8 | 13 | 51 | 32 | 4 |
| 9 | 13 | 51 | 32 | 4 |
| 10 | 13 | 51 | 32 | 4 |
| 11 | 13 | 50 | 33 | 4 |
| 12 | 13 | 50 | 33 | 4 |
| 13 | 13 | 49 | 33 | 4 |
| 14 | 13 | 49 | 33 | 4 |
| 15 | 13 | 49 | 34 | 4 |
| 16 | 13 | 49 | 34 | 4 |
| 17 | 13 | 49 | 34 | 4 |
| 18 | 12 | 48 | 35 | 4 |
| 19 | 12 | 48 | 35 | 4 |
| 20 | 12 | 48 | 35 | 4 |
| 21 | 12 | 48 | 36 | 4 |
| 22 | 13 | 47 | 36 | 4 |
| 23 | 13 | 47 | 36 | 4 |
| 24 | 13 | 47 | 36 | 4 |
| 25 | 14 | 47 | 36 | 4 |
| 26 | 14 | 46 | 36 | 4 |
| 27 | 15 | 46 | 36 | 3 |
| 28 | 15 | 46 | 35 | 3 |
| 29 | 16 | 46 | 35 | 3 |
| 30 | 16 | 46 | 35 | 3 |
| 31 | 16 | 46 | 35 | 3 |
Wind in August
Winds average 14 km/h in August.
Across August, daily wind ranges from about 13 km/h on the calmest days to 15 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) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 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 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | 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 August
Daylight runs from about 14 h 06 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 72 minutes over August. Sunrise moves from 5:41 AM to 6:08 AM, and sunset from 7:44 PM to 7:04 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) | 14.1 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 12.9 |
| Sunrise (AM) | 5:41 | 5:42 | 5:43 | 5:43 | 5:44 | 5:45 | 5:46 | 5:47 | 5:48 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:54 | 5:55 | 5:55 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:08 |
| Sunset (PM) | 7:44 | 7:43 | 7:42 | 7:41 | 7:40 | 7:39 | 7:38 | 7:36 | 7:35 | 7:34 | 7:33 | 7:31 | 7:30 | 7:29 | 7:28 | 7:26 | 7:25 | 7:24 | 7:22 | 7:21 | 7:19 | 7:18 | 7:16 | 7:15 | 7:13 | 7:12 | 7:10 | 7:09 | 7:07 | 7:06 | 7:04 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.1 | 5:41 | 7:44 |
| 2 | 14.0 | 5:42 | 7:43 |
| 3 | 14.0 | 5:43 | 7:42 |
| 4 | 14.0 | 5:43 | 7:41 |
| 5 | 13.9 | 5:44 | 7:40 |
| 6 | 13.9 | 5:45 | 7:39 |
| 7 | 13.9 | 5:46 | 7:38 |
| 8 | 13.8 | 5:47 | 7:36 |
| 9 | 13.8 | 5:48 | 7:35 |
| 10 | 13.8 | 5:49 | 7:34 |
| 11 | 13.7 | 5:50 | 7:33 |
| 12 | 13.7 | 5:51 | 7:31 |
| 13 | 13.6 | 5:52 | 7:30 |
| 14 | 13.6 | 5:53 | 7:29 |
| 15 | 13.6 | 5:54 | 7:28 |
| 16 | 13.5 | 5:55 | 7:26 |
| 17 | 13.5 | 5:55 | 7:25 |
| 18 | 13.5 | 5:56 | 7:24 |
| 19 | 13.4 | 5:57 | 7:22 |
| 20 | 13.4 | 5:58 | 7:21 |
| 21 | 13.3 | 5:59 | 7:19 |
| 22 | 13.3 | 6:00 | 7:18 |
| 23 | 13.3 | 6:01 | 7:16 |
| 24 | 13.2 | 6:02 | 7:15 |
| 25 | 13.2 | 6:03 | 7:13 |
| 26 | 13.1 | 6:04 | 7:12 |
| 27 | 13.1 | 6:05 | 7:10 |
| 28 | 13.1 | 6:06 | 7:09 |
| 29 | 13.0 | 6:07 | 7:07 |
| 30 | 13.0 | 6:08 | 7:06 |
| 31 | 12.9 | 6:08 | 7:04 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.83 kWh/m².
For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.63 kWh/m² in July across the year — August's 6.83 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) | 7.4 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.2 | 6.2 |
| 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 | 7.4 | Intense |
| 2 | 7.3 | Intense |
| 3 | 7.3 | Intense |
| 4 | 7.3 | Intense |
| 5 | 7.2 | Intense |
| 6 | 7.2 | Intense |
| 7 | 7.2 | Intense |
| 8 | 7.1 | Intense |
| 9 | 7.1 | Intense |
| 10 | 7.1 | Intense |
| 11 | 7.0 | Intense |
| 12 | 7.0 | Intense |
| 13 | 7.0 | Intense |
| 14 | 6.9 | Intense |
| 15 | 6.9 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.7 | Intense |
| 20 | 6.7 | Intense |
| 21 | 6.7 | Intense |
| 22 | 6.6 | Intense |
| 23 | 6.6 | Intense |
| 24 | 6.5 | Intense |
| 25 | 6.5 | Intense |
| 26 | 6.4 | Intense |
| 27 | 6.4 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.2 | Intense |
| 31 | 6.2 | Intense |
Is August a good time to visit Vialonga?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Vialonga for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Vialonga in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Vialonga sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection.
Sea temperature near Vialonga in August
The nearest coast averages about 19°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 38 km away) is warmest in September at about 19°C and coldest in February near 15°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 15 | 16 | 18 | 18 | 19 | 19 | 18 | 17 | 16 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 15 | Cool |
| May | 16 | Cool |
| Jun | 18 | Cool |
| Jul | 18 | Cool |
| Aug | 19 | Cool |
| Sep | 19 | Cool |
| Oct | 18 | Cool |
| Nov | 17 | Cool |
| Dec | 16 | Cool |
UV index in Vialonga in August
Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Vialonga peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (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) | 2 | 3 | 6 | 8 | 7 | 9 | 9 | 9 | 6 | 5 | 3 | 2 |
| Level | Low | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Vialonga?
Vialonga sits at 38.9°N, 9.1°W, 49 m above sea level, in Portugal. The nearest listed city is Póvoa de Santa Iria, 2.0 km away.
Topography around Vialonga
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vialonga.
Within 3 km, the terrain around Vialonga has significant variations in elevation — a maximum elevation change of 349 m around an average of 86 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 440 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.
The land around Vialonga is covered by grassland (42%) and artificial surfaces (28%) within 3 km, grassland (32%) and water (22%) within 16 km, and water (37%), grassland (31%) and trees (21%) within 80 km.
Portugal travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $32,082
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 612
- 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 Vialonga (38.8721°, -9.078°, elevation 49 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).