Viseu, Portugal Weather

Viseu,  Weather
(Photo by Nick Karvounis on Unsplash)

Current conditions

Updated:
29°C
84.2°F
°C °F

Condition: Mainly Clear

Pressure: 951 hPa

Feel like: 27 °C

Temperature: 29°C

Cloud: 38%

Humidity: 26%

Wind: NNW - 5 km/h

Visibility: 49.2 km

Weather forecast

Sun
20 Sep
16°C / 33°C
Partly Cloudy
Mon
21 Sep
15°C / 34°C
Clear Sky
Tue
22 Sep
14°C / 33°C
Overcast
Wed
23 Sep
10°C / 32°C
Mainly Clear
Thu
24 Sep
10°C / 31°C
Clear Sky
Hourly forecast today:
16:00 PM
7° / 29°
7° / 29°
Mainly Clear
26% 17 km/h
17:00 PM
8° / 28°
8° / 28°
Partly Cloudy
28% 18 km/h
18:00 PM
8° / 26°
8° / 26°
Partly Cloudy
32% 16 km/h
19:00 PM
10° / 23°
10° / 23°
Mainly Clear
45% 19 km/h
20:00 PM
10° / 22°
10° / 22°
Mainly Clear
48% 13 km/h
21:00 PM
10° / 20°
10° / 20°
Mainly Clear
54% 8 km/h
22:00 PM
10° / 18°
10° / 18°
Mainly Clear
61% 9 km/h
23:00 PM
10° / 17°
10° / 17°
Mainly Clear
67% 9 km/h
00:00 AM
10° / 16°
10° / 16°
Mainly Clear
67% 9 km/h
01:00 AM
9° / 16°
9° / 16°
Mainly Clear
65% 9 km/h
02:00 AM
8° / 15°
8° / 15°
Clear Sky
63% 11 km/h

30 Day Averages and Extremes

  • Average high 27.1°C
  • Average low 13.2°C
  • Hottest day 34°C (21 September 2026)
  • Coldest day 0°C (03 October 2026)
  • Average humidity 53.47%
  • Days with precipitation 10 days
  • Highest precipitation 22 mm (29 September 2026)

Yesterday's Data

  • Max: 29°C
  • Min: 14°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 32ºC (89.6ºF), consider wearing:
- Broad-brimmed sun hat
- Ultra-thin, breathable socks
- High SPF sunscreen for outdoor activities
- Lightweight, loose-fitting shorts

Temperature

Early
6°C / 15°C
Morning
8°C / 21°C
Afternoon
7°C / 29°C
Evening
10°C / 20°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 445
  • CO 138
  • NH3 1
  • NO2 0
  • O3 92
  • PM10 6
  • PM25 4
  • SO2 0
  • CH4 1,369

Sunrise / Sunset

06:17
18:32