When to go · Portugal

When to go to Viseu

Twelve months of averages for Viseu, and what they say about when to go.

When to go

What the averages say

Mean daily highs and lows and the month's rain, averaged over 2001 to 2020.

On these averages, Viseu has a mean high between 18°C and 32°C and under 150 mm of rain in April to October.

Of those months, it is also dry (under 50 mm of rain) and not humid in June to September.

The warmest month is August (31°C) and the coolest January (12°C). The wettest is October (139 mm) and the driest July (11 mm); about 1,018 mm of rain falls in a year.

How these sentences are worded

Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.

Viseu: highs, lows and rainHighLowRain

The year at a glance

Mild to warm and dry
Mild to warm, humid or showery
Hot
Cool
Wet
Cold

JanCool
FebCool
MarCool
AprMild–warm, mixed
MayMild–warm, mixed
JunMild–warm, dry
JulMild–warm, dry
AugMild–warm, dry
SeptMild–warm, dry
OctMild–warm, mixed
NovCool
DecCool

Month by month

Every month in Viseu

The whole year, with humidity, cloud and the sunlight reaching the ground.

Climate in Viseu by month: mean daily high and low, rain, and what the month is like
Month	High	Low	Rain	Humidity	Cloud	Sunlight (kWh/m²/day)	High in Dubai	What it is like
January	12°C	3°C	137 mm	89%	61%	2	23°C	Cool
February	13°C	3°C	101 mm	85%	54%	3	24°C	Cool
March	16°C	5°C	113 mm	81%	58%	4.1	27°C	Cool
April	18°C	7°C	98 mm	79%	59%	5.2	31°C	Mild to warm, humid or showery
May	22°C	9°C	61 mm	74%	52%	6.5	35°C	Mild to warm, humid or showery
June	27°C	13°C	31 mm	64%	41%	7.3	37°C	Mild to warm and dry
July	31°C	14°C	11 mm	56%	25%	7.7	39°C	Mild to warm and dry
August	31°C	14°C	20 mm	53%	28%	6.8	39°C	Mild to warm and dry
September	28°C	13°C	47 mm	58%	38%	5.2	37°C	Mild to warm and dry
October	22°C	10°C	139 mm	73%	54%	3.3	34°C	Mild to warm, humid or showery
November	15°C	6°C	138 mm	85%	57%	2.2	29°C	Cool
December	12°C	4°C	122 mm	88%	60%	1.8	25°C	Cool

The Dubai column is Dubai's mean daily high, for comparison.

Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.

When to go nearby

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Plan a trip to Viseu

Tell us when and who is travelling, and a person puts the flights, the stays and the rest into one quote.

Plan a trip to Viseu More about Viseu When to go

Month

High

Low

Rain

Humidity

Cloud

Sunlight (kWh/m²/day)

High in Dubai

What it is like

January

12°C

3°C

137 mm

89%

61%

23°C

Cool

February

13°C

3°C

101 mm

85%

54%

24°C

Cool

March

16°C

5°C

113 mm

81%

58%

4.1

27°C

Cool

April

18°C

7°C

98 mm

79%

59%

5.2

31°C

Mild to warm, humid or showery

May

22°C

9°C

61 mm

74%

52%

6.5

35°C

Mild to warm, humid or showery

June

27°C

13°C

31 mm

64%

41%

7.3

37°C

Mild to warm and dry

July

31°C

14°C

11 mm

56%

25%

7.7

39°C

Mild to warm and dry

August

31°C

14°C

20 mm

53%

28%

6.8

39°C

Mild to warm and dry

September

28°C

13°C

47 mm

58%

38%

5.2

37°C

Mild to warm and dry

October

22°C

10°C

139 mm

73%

54%

3.3

34°C

Mild to warm, humid or showery

November

15°C

6°C

138 mm

85%

57%

2.2

29°C

Cool

December

12°C

4°C

122 mm

88%

60%

1.8

25°C

Cool