Viseu in Spring

In spring (March, April and May), Viseu sees average daytime highs around 17°C and overnight lows near 8°C, with 331 mm of rain over about 35 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 14°C in early March to 21°C by late May. The sky is clear or mostly clear about 30% of the time across spring, and the air most often feels dry.

Spring is Viseu's 3rd-best season to visit on our travel score. For the whole year in context, see Viseu's year-round climate.

Avg daytime high: 17°C; 3rd-warmest season
Avg overnight low: 8°C
Rainfall: 331 mm; 35 wet days
Avg wind: 10 km/h
Travel score: 5.2; 3rd-best season
Months: Mar · Apr · May

← Winter Viseu year-round climate Summer →

Spring Summer Fall Winter

Temperature in Viseu in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 14°C in early March to 21°C by late May.

A typical spring day in Viseu reaches about 17°C and drops to 8°C overnight. The warmest of the three months is May, the coolest March.

Viseu weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

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 Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Viseu gets around 331 mm of rain over 35 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

Wind in Spring

Winds average 10 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 hours in early March to 14 h 42 min by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.1 kWh/m².

Planning a trip in spring

Hazard calendar for Viseu

In seasonPeak

In spring, Viseu overlaps 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.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Viseu?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.2

Sightseeing

3rd-best month of the year

1.4

Beach & pool

3rd-best month of the year

spring is a reasonable time to visit Viseu for sightseeing.

What to pack for Viseu in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Viseu sees daytime highs around 17°C and nights near 8°C. Pack sun protection. Worth having: a warm layer and rain gear. About 35 days see rain.

sun protectiona warm layerrain gear

UV index in Viseu in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. 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 Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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

Location & terrain

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.

3 km

165 m

trees 45%

16 km

814 m

trees 56%

80 km

1,993 m

trees 48%

treesshrubsgrasslandcroplandartificial surfaceswater

← Winter Viseu year-round climate Summer →

Spring weather nearby: Arouca 41 km · Covilhã 54 km · São João da Madeira 56 km · Guarda 56 km · Baião 57 km · Sequeira 59 km · Feira 61 km · Vilar 61 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.