Annual mean 13°C · wettest around November · prevailing wind SW
Warmest
26.2 °C
Coldest
10.0 °C
Wettest
46%
Windiest
4.7 m/s
Prevailing
SW
3.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Viseu over the whole year is 13°C. August is the hottest month, with highs of about 26°C; January is the coldest, with lows of about 6°C. The rainy (wet) season in Viseu runs from October to April, peaking in November with a 38% chance of rain on a given day. The dry season is May to September; July is the driest month, at 6%. Winds in Viseu are highest in March, averaging 3.9 m/s (14 km/h), and lightest in September, at 3.1 m/s (11 km/h). The prevailing wind is from the SW. The clearest skies in Viseu come in July, when the sky is typically 43% covered; April is the cloudiest month, at 61%.
Month by month Viseu climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
11°C
6°C
7°C
34%
59%
3.7 m/s
7
1
47
February
12°C
6°C
8°C
31%
59%
3.6 m/s
13
0
57
March
13°C
7°C
9°C
34%
61%
3.9 m/s
18
0
60
April
15°C
9°C
11°C
32%
61%
3.5 m/s
31
1
66
May
19°C
12°C
16°C
19%
56%
3.4 m/s
58
8
72
June
21°C
14°C
19°C
15%
55%
3.4 m/s
66
19
65
July
25°C
17°C
24°C
6%
43%
3.3 m/s
69
39
46
August
26°C
17°C
24°C
7%
45%
3.3 m/s
72
42
44
September
23°C
15°C
21°C
14%
48%
3.1 m/s
76
24
61
October
19°C
12°C
16°C
26%
54%
3.3 m/s
61
8
73
November
13°C
8°C
9°C
38%
60%
3.7 m/s
22
0
62
December
11°C
7°C
8°C
36%
61%
3.8 m/s
10
0
55
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Viseu weather by season
Year round, Viseu has days of about 11°C at their warmest in January, its coolest month, and 26°C in August, its warmest; the coolest hours of the day run from 6°C to 17°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around November and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Viseu weather in winterDecember to February
High 11°CLow 6°CRain 34%
Winter in Viseu has typical daily highs of about 11°C and lows of about 6°C, with a 34% chance of rain on a given day.
Viseu weather in springMarch to May
High 15°CLow 9°CRain 28%
Spring in Viseu has typical daily highs of about 15°C and lows of about 9°C, with a 28% chance of rain on a given day.
Viseu weather in summerJune to August
High 24°CLow 16°CRain 9%
Summer in Viseu has typical daily highs of about 24°C and lows of about 16°C, with a 9% chance of rain on a given day.
Viseu weather in autumnSeptember to November
High 18°CLow 12°CRain 26%
Autumn in Viseu has typical daily highs of about 18°C and lows of about 12°C, with a 26% chance of rain on a given day.
When is the rainy season in Viseu?
The rainy (wet) season in Viseu runs from October to April, peaking in November with a 38% chance of rain on a given day. The dry season is May to September; July is the driest month, at 6%.
What time of year is Viseu windiest?
Winds in Viseu are highest in March, averaging 3.9 m/s (14 km/h), and lightest in September, at 3.1 m/s (11 km/h). The prevailing wind is from the SW.
What is the average temperature in Viseu year round?
The average temperature in Viseu over the whole year is 13°C. August is the hottest month, with highs of about 26°C; January is the coldest, with lows of about 6°C.