Viseu weather in August
In August, Viseu sees average daytime highs of 27°C and overnight lows near 15°C, with 26 mm of rain across 4.6 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 68% of the time in August, and the air most often feels comfortable.
Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Viseu's 2nd-clearest and 11th-windiest month. For the whole year in context, see Viseu's year-round climate.
- Daytime high
- 27°
- 1st warmest
- Overnight low
- 15°
- 12th coldest
- Rainfall
- 26 mm
- 4.6 wet days
- Daylight
- 13 h 36 min
- 5:47 AM – 7:25 PM
- Cloud cover
- 28%
- 2nd clearest
- Wind
- 8 km/h
- 11th windiest
- Solar energy
- 6.47 kWh/m²
- Travel score
- 8.0
- out of 10
Viseu is city seat of Viseu municipality.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 27°C through the month.
A typical August day in Viseu reaches about 27°C in the afternoon and slips back to 15°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, August runs on par with July and about 3°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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 15 |
| 2 | 27 | 15 |
| 3 | 27 | 15 |
| 4 | 27 | 15 |
| 5 | 27 | 15 |
| 6 | 27 | 15 |
| 7 | 27 | 15 |
| 8 | 27 | 15 |
| 9 | 27 | 15 |
| 10 | 27 | 15 |
| 11 | 27 | 15 |
| 12 | 27 | 15 |
| 13 | 27 | 15 |
| 14 | 27 | 15 |
| 15 | 27 | 15 |
| 16 | 27 | 15 |
| 17 | 27 | 15 |
| 18 | 27 | 15 |
| 19 | 27 | 15 |
| 20 | 27 | 15 |
| 21 | 27 | 15 |
| 22 | 26 | 15 |
| 23 | 26 | 15 |
| 24 | 26 | 15 |
| 25 | 26 | 15 |
| 26 | 26 | 15 |
| 27 | 26 | 15 |
| 28 | 26 | 15 |
| 29 | 26 | 14 |
| 30 | 26 | 14 |
| 31 | 26 | 14 |
Viseu 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 11° / 4° | 152 | 11.6 | 0.5 | 9.4 | 2.5 |
| Feb | 12° / 4° | 102 | 9.3 | 0.3 | 10.4 | 3.3 |
| Mar | 15° / 6° | 115 | 10.6 | 0 | 11.7 | 4.5 |
| Apr | 17° / 7° | 118 | 12.8 | 0 | 13.1 | 4.9 |
| May | 20° / 10° | 98 | 11.6 | 0 | 14.2 | 6.1 |
| Jun | 23° / 13° | 40 | 6.2 | 0 | 14.9 | 7.7 |
| Jul | 27° / 15° | 19 | 3.7 | 0 | 14.6 | 8.2 |
| Aug | 27° / 15° | 26 | 4.6 | 0 | 13.6 | 8.0 |
| Sep | 24° / 13° | 66 | 7.1 | 0 | 12.3 | 7.6 |
| Oct | 19° / 10° | 168 | 12.2 | 0 | 10.9 | 5.7 |
| Nov | 14° / 7° | 150 | 12.7 | 0.1 | 9.7 | 3.7 |
| Dec | 11° / 5° | 160 | 11.6 | 0.1 | 9.1 | 2.7 |
Cloud cover in August
The sky is clear or mostly clear about 68% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 19%. 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 (%) | 85 | 85 | 84 | 83 | 83 | 83 | 82 | 81 | 81 | 81 | 81 | 80 | 80 | 80 | 80 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 78 | 78 |
| Cloudier (%) | 15 | 15 | 16 | 17 | 17 | 17 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 22 | 22 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 85 | 15 |
| 2 | 85 | 15 |
| 3 | 84 | 16 |
| 4 | 83 | 17 |
| 5 | 83 | 17 |
| 6 | 83 | 17 |
| 7 | 82 | 18 |
| 8 | 81 | 19 |
| 9 | 81 | 19 |
| 10 | 81 | 19 |
| 11 | 81 | 19 |
| 12 | 80 | 20 |
| 13 | 80 | 20 |
| 14 | 80 | 20 |
| 15 | 80 | 20 |
| 16 | 79 | 21 |
| 17 | 79 | 21 |
| 18 | 80 | 20 |
| 19 | 80 | 20 |
| 20 | 80 | 20 |
| 21 | 80 | 20 |
| 22 | 80 | 20 |
| 23 | 80 | 20 |
| 24 | 80 | 20 |
| 25 | 80 | 20 |
| 26 | 80 | 20 |
| 27 | 80 | 20 |
| 28 | 80 | 20 |
| 29 | 80 | 20 |
| 30 | 78 | 22 |
| 31 | 78 | 22 |
Chance of precipitation in August
Viseu gets around 26 mm of rain over 4.6 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 15% and peaks near 18% 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 (%) | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 |
| Rain chance (%) | |
|---|---|
| 1 | 11 |
| 2 | 11 |
| 3 | 12 |
| 4 | 12 |
| 5 | 12 |
| 6 | 12 |
| 7 | 12 |
| 8 | 12 |
| 9 | 12 |
| 10 | 13 |
| 11 | 13 |
| 12 | 13 |
| 13 | 14 |
| 14 | 14 |
| 15 | 14 |
| 16 | 14 |
| 17 | 15 |
| 18 | 15 |
| 19 | 15 |
| 20 | 16 |
| 21 | 16 |
| 22 | 17 |
| 23 | 17 |
| 24 | 17 |
| 25 | 17 |
| 26 | 17 |
| 27 | 17 |
| 28 | 17 |
| 29 | 17 |
| 30 | 18 |
| 31 | 18 |
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 (%) | 33 | 34 | 35 | 36 | 37 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 39 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 |
| Comfortable (%) | 53 | 52 | 51 | 50 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 48 | 47 | 47 | 46 |
| Humid (%) | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 33 | 53 | 14 |
| 2 | 34 | 52 | 14 |
| 3 | 35 | 51 | 14 |
| 4 | 36 | 50 | 14 |
| 5 | 37 | 49 | 14 |
| 6 | 38 | 49 | 13 |
| 7 | 38 | 48 | 13 |
| 8 | 38 | 48 | 13 |
| 9 | 39 | 48 | 13 |
| 10 | 39 | 48 | 13 |
| 11 | 39 | 48 | 13 |
| 12 | 39 | 48 | 13 |
| 13 | 39 | 48 | 13 |
| 14 | 39 | 48 | 13 |
| 15 | 39 | 48 | 13 |
| 16 | 39 | 48 | 13 |
| 17 | 39 | 49 | 13 |
| 18 | 38 | 49 | 13 |
| 19 | 38 | 49 | 13 |
| 20 | 38 | 49 | 13 |
| 21 | 38 | 49 | 12 |
| 22 | 39 | 49 | 12 |
| 23 | 39 | 49 | 12 |
| 24 | 40 | 49 | 11 |
| 25 | 41 | 49 | 10 |
| 26 | 42 | 48 | 10 |
| 27 | 43 | 48 | 9 |
| 28 | 44 | 48 | 8 |
| 29 | 45 | 47 | 8 |
| 30 | 46 | 47 | 7 |
| 31 | 47 | 46 | 7 |
Wind in August
Winds average 8 km/h in August.
Across August, 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 August
Daylight runs from about 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 72 minutes over August. Sunrise moves from 5:32 AM to 6:02 AM, and sunset from 7:43 PM to 7:01 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) | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 | 13.0 | 13.0 |
| Sunrise (AM) | 5:32 | 5:33 | 5:34 | 5:35 | 5:36 | 5:37 | 5:38 | 5:39 | 5:40 | 5:41 | 5:42 | 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 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 |
| Sunset (PM) | 7:43 | 7:42 | 7:41 | 7:40 | 7:39 | 7:38 | 7:37 | 7:35 | 7:34 | 7:33 | 7:32 | 7:30 | 7:29 | 7:27 | 7:26 | 7:25 | 7:23 | 7:22 | 7:20 | 7:19 | 7:17 | 7:16 | 7:14 | 7:13 | 7:11 | 7:10 | 7:08 | 7:06 | 7:05 | 7:03 | 7:01 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.2 | 5:32 | 7:43 |
| 2 | 14.2 | 5:33 | 7:42 |
| 3 | 14.1 | 5:34 | 7:41 |
| 4 | 14.1 | 5:35 | 7:40 |
| 5 | 14.1 | 5:36 | 7:39 |
| 6 | 14.0 | 5:37 | 7:38 |
| 7 | 14.0 | 5:38 | 7:37 |
| 8 | 13.9 | 5:39 | 7:35 |
| 9 | 13.9 | 5:40 | 7:34 |
| 10 | 13.9 | 5:41 | 7:33 |
| 11 | 13.8 | 5:42 | 7:32 |
| 12 | 13.8 | 5:43 | 7:30 |
| 13 | 13.8 | 5:44 | 7:29 |
| 14 | 13.7 | 5:45 | 7:27 |
| 15 | 13.7 | 5:46 | 7:26 |
| 16 | 13.6 | 5:47 | 7:25 |
| 17 | 13.6 | 5:48 | 7:23 |
| 18 | 13.5 | 5:49 | 7:22 |
| 19 | 13.5 | 5:50 | 7:20 |
| 20 | 13.5 | 5:51 | 7:19 |
| 21 | 13.4 | 5:52 | 7:17 |
| 22 | 13.4 | 5:53 | 7:16 |
| 23 | 13.3 | 5:54 | 7:14 |
| 24 | 13.3 | 5:55 | 7:13 |
| 25 | 13.3 | 5:56 | 7:11 |
| 26 | 13.2 | 5:57 | 7:10 |
| 27 | 13.2 | 5:58 | 7:08 |
| 28 | 13.1 | 5:59 | 7:06 |
| 29 | 13.1 | 6:00 | 7:05 |
| 30 | 13.0 | 6:01 | 7:03 |
| 31 | 13.0 | 6:02 | 7:01 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.47 kWh/m².
For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 7.25 kWh/m² in July across the year — August's 6.47 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) | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 |
| 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 | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.0 | Intense |
| 2 | 7.0 | Intense |
| 3 | 7.0 | Intense |
| 4 | 6.9 | Intense |
| 5 | 6.9 | Intense |
| 6 | 6.9 | Intense |
| 7 | 6.8 | Intense |
| 8 | 6.8 | Intense |
| 9 | 6.8 | Intense |
| 10 | 6.7 | Intense |
| 11 | 6.7 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.6 | Intense |
| 14 | 6.6 | Intense |
| 15 | 6.5 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.4 | Intense |
| 18 | 6.4 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.3 | Intense |
| 21 | 6.3 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.8 | Bright |
| 31 | 5.8 | Bright |
Hazard calendar for Viseu
None of Viseu's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Viseu's rainy season runs October–May, when most of the year's rain falls.
Is August a good time to visit Viseu?
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 Viseu for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Viseu in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Viseu sees daytime highs around 27°C and nights near 15°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.
UV index in Viseu 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 Viseu peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 | 5 | 7 | 7 | 9 | 9 | 9 | 6 | 5 | 2 | 2 |
| Level | Low | Moderate | High | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Viseu in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Viseu is worst in October — around 29 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (November, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 10 | 13 | 11 | 8 | 21 | 9 | 24 | 23 | 29 | 7 | 7 |
| Level | Good | Good | Moderate | Good | Good | Moderate | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 13 | Moderate |
| Apr | 11 | Good |
| May | 8 | Good |
| Jun | 21 | Moderate |
| Jul | 9 | Good |
| Aug | 24 | Moderate |
| Sep | 23 | Moderate |
| Oct | 29 | Moderate |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Viseu?
Viseu sits at 40.7°N, 7.9°W, 469 m above sea level, in Portugal. The nearest listed city is Arouca, 41 km away.
Topography around Viseu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Viseu.
Within 3 km, the terrain around Viseu has only modest variations in elevation — a maximum elevation change of 165 m around an average of 466 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 814 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,993 m.
The land around Viseu is covered by trees (45%) and artificial surfaces (35%) within 3 km, trees (56%) and grassland (36%) within 16 km, and trees (48%) and grassland (41%) 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 Viseu (40.6617°, -7.909°, elevation 469 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. 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).