Viseu weather in December
In December, Viseu sees average daytime highs of 11°C and overnight lows near 5°C, with 160 mm of precipitation across 11.6 wet days and about 9.1 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels dry.
Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Viseu's 12th-clearest and 2nd-windiest month. For the whole year in context, see Viseu's year-round climate.
- Daytime high
- 11°
- 11th warmest
- Overnight low
- 5°
- 3rd coldest
- Precipitation
- 160 mm
- 11.6 wet days
- Daylight
- 9 h 06 min
- 7:55 AM – 5:01 PM
- Cloud cover
- 62%
- 12th clearest
- Wind
- 10 km/h
- 2nd windiest
- Solar energy
- 1.66 kWh/m²
- Travel score
- 2.7
- out of 10
Viseu is city seat of Viseu municipality.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 11°C through the month.
A typical December day in Viseu reaches about 11°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 14°C. Set against its neighbours, December runs about 3°C cooler than November and on par with 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) | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Avg low (°C) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 12 | 5 |
| 2 | 12 | 5 |
| 3 | 12 | 5 |
| 4 | 12 | 5 |
| 5 | 12 | 5 |
| 6 | 12 | 5 |
| 7 | 11 | 5 |
| 8 | 11 | 5 |
| 9 | 11 | 5 |
| 10 | 11 | 5 |
| 11 | 11 | 5 |
| 12 | 11 | 5 |
| 13 | 11 | 5 |
| 14 | 11 | 5 |
| 15 | 11 | 5 |
| 16 | 11 | 5 |
| 17 | 11 | 5 |
| 18 | 11 | 5 |
| 19 | 11 | 5 |
| 20 | 11 | 4 |
| 21 | 11 | 4 |
| 22 | 11 | 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 |
Viseu weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-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 December
The sky is clear or mostly clear about 32% of the time in December, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 59%.
| 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 (%) | 40 | 40 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 41 | 40 | 40 | 41 | 41 | 41 | 42 | 41 | 43 | 43 | 42 | 42 | 42 | 41 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 |
| Cloudier (%) | 60 | 60 | 61 | 61 | 60 | 60 | 60 | 60 | 60 | 59 | 60 | 60 | 59 | 59 | 59 | 58 | 59 | 57 | 57 | 58 | 58 | 58 | 59 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 40 | 60 |
| 2 | 40 | 60 |
| 3 | 39 | 61 |
| 4 | 39 | 61 |
| 5 | 40 | 60 |
| 6 | 40 | 60 |
| 7 | 40 | 60 |
| 8 | 40 | 60 |
| 9 | 40 | 60 |
| 10 | 41 | 59 |
| 11 | 40 | 60 |
| 12 | 40 | 60 |
| 13 | 41 | 59 |
| 14 | 41 | 59 |
| 15 | 41 | 59 |
| 16 | 42 | 58 |
| 17 | 41 | 59 |
| 18 | 43 | 57 |
| 19 | 43 | 57 |
| 20 | 42 | 58 |
| 21 | 42 | 58 |
| 22 | 42 | 58 |
| 23 | 41 | 59 |
| 24 | 40 | 60 |
| 25 | 40 | 60 |
| 26 | 40 | 60 |
| 27 | 40 | 60 |
| 28 | 39 | 61 |
| 29 | 39 | 61 |
| 30 | 39 | 61 |
| 31 | 39 | 61 |
Chance of precipitation in December
Viseu gets around 160 mm of rain and snow over 11.6 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 38% and peaks near 42% 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 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 42 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 37 |
| 3 | 37 |
| 4 | 36 |
| 5 | 36 |
| 6 | 36 |
| 7 | 35 |
| 8 | 35 |
| 9 | 35 |
| 10 | 35 |
| 11 | 35 |
| 12 | 35 |
| 13 | 36 |
| 14 | 36 |
| 15 | 36 |
| 16 | 36 |
| 17 | 36 |
| 18 | 36 |
| 19 | 37 |
| 20 | 37 |
| 21 | 38 |
| 22 | 38 |
| 23 | 39 |
| 24 | 40 |
| 25 | 40 |
| 26 | 41 |
| 27 | 41 |
| 28 | 41 |
| 29 | 42 |
| 30 | 42 |
| 31 | 42 |
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 (%) | 99 | 99 | 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 |
| Comfortable (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
| 31 | 100 | 0 |
Wind in December
Winds average 10 km/h in December.
Across December, daily wind ranges from about 10 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in December
Daylight runs from about 9 h 18 min at the start of December to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over December. Sunrise moves from 7:42 AM to 8:01 AM, and sunset from 5:00 PM to 5:09 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) | 9.3 | 9.3 | 9.3 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 |
| Sunrise (AM) | 7:42 | 7:43 | 7:44 | 7:45 | 7:46 | 7:47 | 7:48 | 7:49 | 7:50 | 7:50 | 7:51 | 7:52 | 7:53 | 7:53 | 7:54 | 7:55 | 7:55 | 7:56 | 7:57 | 7:57 | 7:58 | 7:58 | 7:59 | 7:59 | 7:59 | 8:00 | 8:00 | 8:00 | 8:01 | 8:01 | 8:01 |
| Sunset (PM) | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:01 | 5:01 | 5:01 | 5:02 | 5:02 | 5:02 | 5:03 | 5:03 | 5:04 | 5:04 | 5:05 | 5:05 | 5:06 | 5:07 | 5:07 | 5:08 | 5:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.3 | 7:42 | 5:00 |
| 2 | 9.3 | 7:43 | 5:00 |
| 3 | 9.3 | 7:44 | 5:00 |
| 4 | 9.2 | 7:45 | 5:00 |
| 5 | 9.2 | 7:46 | 5:00 |
| 6 | 9.2 | 7:47 | 5:00 |
| 7 | 9.2 | 7:48 | 5:00 |
| 8 | 9.2 | 7:49 | 5:00 |
| 9 | 9.2 | 7:50 | 5:00 |
| 10 | 9.2 | 7:50 | 5:00 |
| 11 | 9.1 | 7:51 | 5:00 |
| 12 | 9.1 | 7:52 | 5:00 |
| 13 | 9.1 | 7:53 | 5:00 |
| 14 | 9.1 | 7:53 | 5:00 |
| 15 | 9.1 | 7:54 | 5:01 |
| 16 | 9.1 | 7:55 | 5:01 |
| 17 | 9.1 | 7:55 | 5:01 |
| 18 | 9.1 | 7:56 | 5:02 |
| 19 | 9.1 | 7:57 | 5:02 |
| 20 | 9.1 | 7:57 | 5:02 |
| 21 | 9.1 | 7:58 | 5:03 |
| 22 | 9.1 | 7:58 | 5:03 |
| 23 | 9.1 | 7:59 | 5:04 |
| 24 | 9.1 | 7:59 | 5:04 |
| 25 | 9.1 | 7:59 | 5:05 |
| 26 | 9.1 | 8:00 | 5:05 |
| 27 | 9.1 | 8:00 | 5:06 |
| 28 | 9.1 | 8:00 | 5:07 |
| 29 | 9.1 | 8:01 | 5:07 |
| 30 | 9.1 | 8:01 | 5:08 |
| 31 | 9.1 | 8:01 | 5:09 |
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 7.25 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) | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 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 | 1.6 | 1.6 | 1.6 |
| 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 | 1.8 | Dim |
| 2 | 1.8 | Dim |
| 3 | 1.8 | Dim |
| 4 | 1.8 | Dim |
| 5 | 1.8 | 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 | 1.7 | Dim |
| 15 | 1.7 | Dim |
| 16 | 1.7 | Dim |
| 17 | 1.7 | 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 | 1.6 | Dim |
| 26 | 1.6 | Dim |
| 27 | 1.6 | Dim |
| 28 | 1.6 | Dim |
| 29 | 1.6 | Dim |
| 30 | 1.6 | Dim |
| 31 | 1.6 | Dim |
Hazard calendar for Viseu
In December, Viseu sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Viseu's rainy season runs October–May, when most of the year's rain falls.
Is December a good time to visit Viseu?
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 Viseu.
What to pack for Viseu in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Viseu sees daytime highs around 11°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.
UV index in Viseu in December
Clear-sky midday UV in December peaks around 2. 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 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 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).