Viseu, Portugal Weather

Viseu,  Weather
(Photo by Nick Karvounis on Unsplash)

Current conditions

Updated:
26°C
78.8°F
°C °F

Condition: Clear Sky

Pressure: 948 hPa

Feel like: 24 °C

Temperature: 26°C

Cloud: 0%

Humidity: 26%

Wind: NE - 10 km/h

Visibility: 48.76 km

Weather forecast

Sat
19 Sep
14°C / 31°C
Partly Cloudy
Sun
20 Sep
13°C / 32°C
Mainly Clear
Mon
21 Sep
13°C / 34°C
Clear Sky
Tue
22 Sep
15°C / 35°C
Mainly Clear
Wed
23 Sep
11°C / 32°C
Overcast
Hourly forecast today:
14:00 PM
5° / 26°
5° / 26°
Clear Sky
26% 31 km/h
15:00 PM
4° / 26°
4° / 26°
Clear Sky
25% 27 km/h
16:00 PM
5° / 26°
5° / 26°
Clear Sky
26% 26 km/h
17:00 PM
5° / 25°
5° / 25°
Clear Sky
28% 27 km/h
18:00 PM
5° / 24°
5° / 24°
Clear Sky
29% 25 km/h
19:00 PM
5° / 20°
5° / 20°
Clear Sky
38% 18 km/h
20:00 PM
5° / 18°
5° / 18°
Clear Sky
43% 15 km/h
21:00 PM
5° / 17°
5° / 17°
Mainly Clear
46% 15 km/h
22:00 PM
6° / 16°
6° / 16°
Clear Sky
49% 14 km/h
23:00 PM
6° / 16°
6° / 16°
Mainly Clear
51% 12 km/h
00:00 AM
6° / 15°
6° / 15°
Clear Sky
54% 14 km/h

30 Day Averages and Extremes

  • Average high 28.3°C
  • Average low 13.83°C
  • Hottest day 35°C (22 September 2026)
  • Coldest day 0°C (02 October 2026)
  • Average humidity 49.57%
  • Days with precipitation 11 days
  • Highest precipitation 16 mm (01 October 2026)

Yesterday's Data

  • Max: 26°C
  • Min: 11°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Viseu over the next 12 hours

Temperature and possibility of rain in Viseu in the coming days

Rainfall in Viseu in the coming days

Viseu Climate Summary

Viseu features a Mediterranean, warm summer (Köppen classification: Csb), with an average annual temperature of 15.18ºC (59.32ºF), which is about -1.63% lower than the national average for Portugal. Annually, the city experiences approximately 92.75 millimeters (3.65 inches) of rainfall, spread across 111.28 rainy days, accounting for 30.49% of the year.

Longitude 40.7276419
Latitude -7.9157099
Yearly high temperature 19.31ºC (66.76ºF)
Yearly low temperature 8.54ºC (47.37ºF)
Hottest month July 29.43ºC (84.97ºF)
Coldest month January 3.27ºC (37.89ºF)
Yearly precip 92.75mm (3.65in)
Days with rainfall 111.28 days (30.49%)
Driest month July (60.51%)
Wettest month December (82.48%)

Weather averages by month

Month High / Low (°C) Rain
January 10.77° / 3.27° 12.18 days
February 11.66° / 3.32° 10.27 days
March 14.3° / 4.63° 13.73 days
April 17.14° / 6.74° 14.18 days
May 21.32° / 9.45° 9.91 days
June 24.92° / 11.76° 5.91 days
July 29.43° / 14.33° 2.64 days
August 29.61° / 14.32° 2.91 days
September 26.62° / 13.38° 5.0 days
October 20.55° / 10.56° 10.55 days
November 13.72° / 6.38° 12.82 days
December 11.69° / 4.38° 11.18 days

Frequently asked questions

1. What is the hottest month in Viseu?

July has the highest average monthly temperature (daily mean of 29.43ºC) and January are the coolest (daily mean of 3.27ºC).

2. What should I wear in Viseu today?

For today's very hot weather in Viseu, with the high temperatures above 29ºC (84.2ºF), consider wearing:
- Open-toed sandals or light sneakers
- Thin, moisture-wicking socks
- UV-protective sunglasses
- Wide-brimmed sun hat

Temperature

Early
6°C / 11°C
Morning
6°C / 18°C
Afternoon
4°C / 26°C
Evening
5°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 435
  • CO 141
  • NH3 0
  • NO2 0
  • O3 81
  • PM10 4
  • PM25 3
  • SO2 0
  • CH4 1,365

Sunrise / Sunset

06:16
18:34