Viseu weather in August
In August, Viseu sees average daytime highs of 30°C and overnight lows near 24°C, with 50 mm of rain across 18.3 wet days and about 12 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 51% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of August to 12 hours by month's end. Set against the rest of the year, August is Viseu's 2nd-clearest and 5th-windiest month. For the whole year in context, see Viseu's year-round climate.
- Daytime high
- 30°
- 5th warmest
- Overnight low
- 24°
- 8th coldest
- Rainfall
- 50 mm
- 18.3 wet days
- Daylight
- 12 hours
- 6:10 AM – 6:07 PM
- Cloud cover
- 43%
- 2nd clearest
- Wind
- 12 km/h
- 5th windiest
- Solar energy
- 5.81 kWh/m²
- Travel score
- 4.2
- out of 10
Viseu is human settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 30°C through the month.
A typical August day in Viseu reaches about 30°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, August runs on par with July and on par with 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) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 23 |
| 2 | 30 | 23 |
| 3 | 30 | 24 |
| 4 | 30 | 24 |
| 5 | 30 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 24 |
| 10 | 30 | 24 |
| 11 | 30 | 24 |
| 12 | 30 | 24 |
| 13 | 30 | 24 |
| 14 | 30 | 24 |
| 15 | 30 | 24 |
| 16 | 30 | 24 |
| 17 | 30 | 24 |
| 18 | 30 | 24 |
| 19 | 30 | 24 |
| 20 | 30 | 24 |
| 21 | 30 | 24 |
| 22 | 30 | 24 |
| 23 | 30 | 24 |
| 24 | 30 | 24 |
| 25 | 30 | 24 |
| 26 | 31 | 24 |
| 27 | 31 | 24 |
| 28 | 31 | 24 |
| 29 | 31 | 24 |
| 30 | 31 | 24 |
| 31 | 31 | 24 |
How August really feels in Viseu
Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Viseu weather by month
How August compares with the rest of the year at a glance. August is the 5th-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 | 30° / 24° | 256 | 26.7 | 12.1 | 3.1 |
| Feb | 29° / 24° | 369 | 26.9 | 12 | 2.9 |
| Mar | 29° / 23° | 478 | 30.3 | 12 | 2.8 |
| Apr | 29° / 24° | 491 | 29.4 | 12 | 2.8 |
| May | 30° / 24° | 320 | 28.5 | 11.9 | 3.0 |
| Jun | 30° / 23° | 160 | 25.1 | 11.9 | 3.3 |
| Jul | 30° / 23° | 116 | 23.9 | 11.9 | 3.6 |
| Aug | 30° / 24° | 50 | 18.3 | 12 | 4.2 |
| Sep | 31° / 24° | 27 | 9.3 | 12 | 4.8 |
| Oct | 31° / 24° | 21 | 6.1 | 12 | 4.9 |
| Nov | 31° / 24° | 29 | 7.2 | 12.1 | 4.6 |
| Dec | 31° / 24° | 79 | 16.1 | 12.1 | 3.9 |
Cloud cover in August
The sky is clear or mostly clear about 51% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 35% of August, with mostly cloudy or overcast conditions the remaining 14%. 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 (%) | 83 | 83 | 83 | 83 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 86 | 85 | 85 | 87 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 89 | 89 | 89 | 89 | 89 |
| Cloudier (%) | 17 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 83 | 17 |
| 2 | 83 | 17 |
| 3 | 83 | 17 |
| 4 | 83 | 17 |
| 5 | 85 | 15 |
| 6 | 85 | 15 |
| 7 | 85 | 15 |
| 8 | 85 | 15 |
| 9 | 85 | 15 |
| 10 | 85 | 15 |
| 11 | 85 | 15 |
| 12 | 85 | 15 |
| 13 | 85 | 15 |
| 14 | 85 | 15 |
| 15 | 85 | 15 |
| 16 | 86 | 14 |
| 17 | 85 | 15 |
| 18 | 85 | 15 |
| 19 | 87 | 13 |
| 20 | 87 | 13 |
| 21 | 87 | 13 |
| 22 | 87 | 13 |
| 23 | 88 | 12 |
| 24 | 88 | 12 |
| 25 | 88 | 12 |
| 26 | 88 | 12 |
| 27 | 89 | 11 |
| 28 | 89 | 11 |
| 29 | 89 | 11 |
| 30 | 89 | 11 |
| 31 | 89 | 11 |
Chance of precipitation in August
Viseu gets around 50 mm of rain over 18.3 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 59% and peaks near 68% 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 (%) | 68 | 67 | 66 | 66 | 65 | 64 | 64 | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 60 | 60 | 59 | 58 | 58 | 57 | 57 | 56 | 56 | 55 | 54 | 53 | 52 | 51 | 50 | 49 | 48 |
| Rain chance (%) | |
|---|---|
| 1 | 68 |
| 2 | 67 |
| 3 | 66 |
| 4 | 66 |
| 5 | 65 |
| 6 | 64 |
| 7 | 64 |
| 8 | 63 |
| 9 | 63 |
| 10 | 62 |
| 11 | 62 |
| 12 | 61 |
| 13 | 61 |
| 14 | 60 |
| 15 | 60 |
| 16 | 60 |
| 17 | 59 |
| 18 | 58 |
| 19 | 58 |
| 20 | 57 |
| 21 | 57 |
| 22 | 56 |
| 23 | 56 |
| 24 | 55 |
| 25 | 54 |
| 26 | 53 |
| 27 | 52 |
| 28 | 51 |
| 29 | 50 |
| 30 | 49 |
| 31 | 48 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 86 | 87 | 87 | 87 | 87 | 87 | 88 | 88 | 89 | 89 | 90 | 91 | 91 | 92 | 92 | 93 | 93 | 94 | 95 |
| Miserable (%) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 5 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 86 | 14 |
| 2 | 86 | 14 |
| 3 | 86 | 14 |
| 4 | 87 | 13 |
| 5 | 87 | 13 |
| 6 | 87 | 13 |
| 7 | 87 | 13 |
| 8 | 87 | 13 |
| 9 | 87 | 13 |
| 10 | 87 | 13 |
| 11 | 87 | 13 |
| 12 | 87 | 13 |
| 13 | 86 | 14 |
| 14 | 87 | 13 |
| 15 | 87 | 13 |
| 16 | 87 | 13 |
| 17 | 87 | 13 |
| 18 | 87 | 13 |
| 19 | 88 | 12 |
| 20 | 88 | 12 |
| 21 | 89 | 11 |
| 22 | 89 | 11 |
| 23 | 90 | 10 |
| 24 | 91 | 9 |
| 25 | 91 | 9 |
| 26 | 92 | 8 |
| 27 | 92 | 8 |
| 28 | 93 | 7 |
| 29 | 93 | 7 |
| 30 | 94 | 6 |
| 31 | 95 | 5 |
Wind in August
Winds average 12 km/h in August.
Across August, daily wind ranges from about 11 km/h on the calmest days to 13 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) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | 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 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 12 | calm |
| 12 | 12 | calm |
| 13 | 12 | calm |
| 14 | 12 | calm |
| 15 | 12 | calm |
| 16 | 12 | calm |
| 17 | 12 | calm |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | 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 August
Daylight runs from about 11 h 54 min at the start of August to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over August. Sunrise moves from 6:12 AM to 6:05 AM, and sunset from 6:09 PM to 6:04 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) | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:09 | 6:09 | 6:09 | 6:09 | 6:08 | 6:08 | 6:08 | 6:07 | 6:07 | 6:07 | 6:06 | 6:06 | 6:06 | 6:05 |
| Sunset (PM) | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:05 | 6:05 | 6:05 | 6:04 | 6:04 | 6:04 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:12 | 6:09 |
| 2 | 11.9 | 6:12 | 6:09 |
| 3 | 11.9 | 6:12 | 6:09 |
| 4 | 11.9 | 6:12 | 6:09 |
| 5 | 12.0 | 6:12 | 6:09 |
| 6 | 12.0 | 6:12 | 6:09 |
| 7 | 12.0 | 6:12 | 6:09 |
| 8 | 12.0 | 6:11 | 6:09 |
| 9 | 12.0 | 6:11 | 6:08 |
| 10 | 12.0 | 6:11 | 6:08 |
| 11 | 12.0 | 6:11 | 6:08 |
| 12 | 12.0 | 6:11 | 6:08 |
| 13 | 12.0 | 6:10 | 6:08 |
| 14 | 12.0 | 6:10 | 6:08 |
| 15 | 12.0 | 6:10 | 6:08 |
| 16 | 12.0 | 6:10 | 6:07 |
| 17 | 12.0 | 6:10 | 6:07 |
| 18 | 12.0 | 6:09 | 6:07 |
| 19 | 12.0 | 6:09 | 6:07 |
| 20 | 12.0 | 6:09 | 6:07 |
| 21 | 12.0 | 6:09 | 6:06 |
| 22 | 12.0 | 6:08 | 6:06 |
| 23 | 12.0 | 6:08 | 6:06 |
| 24 | 12.0 | 6:08 | 6:06 |
| 25 | 12.0 | 6:07 | 6:06 |
| 26 | 12.0 | 6:07 | 6:05 |
| 27 | 12.0 | 6:07 | 6:05 |
| 28 | 12.0 | 6:06 | 6:05 |
| 29 | 12.0 | 6:06 | 6:04 |
| 30 | 12.0 | 6:06 | 6:04 |
| 31 | 12.0 | 6:05 | 6:04 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.81 kWh/m².
For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.36 kWh/m² in October across the year — August's 5.81 kWh/m² falls in the middle.
| 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) | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.6 | Bright |
| 2 | 5.6 | Bright |
| 3 | 5.6 | Bright |
| 4 | 5.6 | Bright |
| 5 | 5.6 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.7 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 6.0 | Bright |
| 26 | 6.0 | Bright |
| 27 | 6.0 | Bright |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.0 | Intense |
| 31 | 6.0 | Intense |
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 monsoon runs January–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 a reasonable time to visit Viseu for sightseeing.
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 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.
Sea temperature near Viseu in August
The nearest coast averages about 28°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 31 km away) is warmest in May at about 29°C and coldest in September near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Tropical |
| Aug | 28 | Warm |
| Sep | 28 | Warm |
| Oct | 28 | Warm |
| Nov | 28 | Tropical |
| Dec | 28 | Tropical |
UV index in Viseu in August
Clear-sky midday UV in August peaks around 11 (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 March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 at about 10 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 14 | 15 | 14 | 12 | 11 | 10 | 11 | 12 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
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 February — around 19 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 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) | 16 | 19 | 19 | 14 | 8 | 7 | 7 | 8 | 10 | 12 | 18 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 19 | Moderate |
| Mar | 19 | Moderate |
| Apr | 14 | Moderate |
| May | 8 | Good |
| Jun | 7 | Good |
| Jul | 7 | Good |
| Aug | 8 | Good |
| Sep | 10 | Good |
| Oct | 12 | Good |
| Nov | 18 | Moderate |
| Dec | 18 | Moderate |
Where is Viseu?
Viseu sits at 1.2°S, 46.1°W, 13 m above sea level, in Brazil. The nearest listed city is Carutapera, 13 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 47 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 89 m; within 80 km, only modest variations in elevation — a maximum elevation change of 180 m.
The land around Viseu is covered by trees (41%) and grassland (22%) within 3 km, trees (36%) and mangroves (34%) within 16 km, and trees (35%) and water (34%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- 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 (-1.1967°, -46.14°, elevation 13 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).