Viseu weather in March

In March, Viseu sees average daytime highs of 29°C and overnight lows near 23°C, with 478 mm of rain across 30.3 wet days and about 12 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of March to 12 hours by month's end. Set against the rest of the year, March is Viseu's 11th-clearest and 10th-windiest month. For the whole year in context, see Viseu's year-round climate.

Daytime high
29°
12th warmest
Overnight low
23°
3rd coldest
Rainfall
478 mm
30.3 wet days
Daylight
12 hours
6:14 AM – 6:14 PM
Cloud cover
89%
11th clearest
Wind
9 km/h
10th windiest
Solar energy
4.4 kWh/m²
Travel score
2.8
out of 10

Viseu is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical March day in Viseu reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72924
82924
92924
102924
112924
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923
312923

How March really feels in Viseu

Once humidity and wind are folded in, March averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Viseu weather by month

How March compares with the rest of the year at a glance. March is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°25626.712.13.1
Feb29° / 24°36926.9122.9
Mar29° / 23°47830.3122.8
Apr29° / 24°49129.4122.8
May30° / 24°32028.511.93.0
Jun30° / 23°16025.111.93.3
Jul30° / 23°11623.911.93.6
Aug30° / 24°5018.3124.2
Sep31° / 24°279.3124.8
Oct31° / 24°216.1124.9
Nov31° / 24°297.212.14.6
Dec31° / 24°7916.112.13.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 5% of March, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
2991
3991
4991
5892
6892
7892
8793
9793
10793
11793
12694
13694
14694
15694
16694
17694
18595
19595
20595
21595
22496
23496
24496
25496
26496
27397
28397
29397
30397
31298

Chance of precipitation in March

Any precipitation

Viseu gets around 478 mm of rain over 30.3 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
396
496
596
696
796
896
997
1097
1197
1297
1397
1498
1598
1698
1798
1898
1999
2099
2199
2299
2399
2499
2599
2699
2799
2899
2999
3099
3199

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16238
26238
36238
46139
56139
66139
76040
86040
95941
105842
115743
125743
135644
145545
155545
165545
175446
185446
195446
205446
215347
225347
235347
245248
255248
265149
275149
285050
295050
304951
314852

Wind in March

Winds average 9 km/h in March.

Across March, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 hours at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over March. Sunrise moves from 6:17 AM to 6:10 AM, and sunset from 6:19 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:176:19
212.06:176:18
312.06:176:18
412.06:176:18
512.06:166:18
612.06:166:17
712.06:166:17
812.06:166:17
912.06:166:17
1012.06:156:16
1112.06:156:16
1212.06:156:16
1312.06:156:15
1412.06:146:15
1512.06:146:15
1612.06:146:14
1712.06:146:14
1812.06:136:14
1912.06:136:13
2012.06:136:13
2112.06:136:13
2212.06:126:12
2312.06:126:12
2412.06:126:12
2512.06:126:11
2612.06:116:11
2712.06:116:11
2812.06:116:10
2912.06:106:10
3012.06:106:10
3112.06:106:09

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.4 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.36 kWh/m² in October across the year — March's 4.4 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.2Bright
Planning a trip in March

Hazard calendar for Viseu

In seasonPeak

In March, Viseu sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Viseu's monsoon runs January–May, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Viseu?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.8
Sightseeing
11th-best month of the year
3.6
Beach & pool
11th-best month of the year

March is a weaker month for outdoor sightseeing in Viseu.

What to pack for Viseu in March

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

In March, Viseu sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Viseu in March

The nearest coast averages about 28°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 km away) is warmest in May at about 29°C and coldest in September near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Warm
Oct28Warm
Nov28Tropical
Dec28Tropical

UV index in Viseu in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Viseu peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 19UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Viseu in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Viseu is worst in February — around 19 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2019 µg/m³Jul 127 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar19Moderate
Apr14Moderate
May8Good
Jun7Good
Jul7Good
Aug8Good
Sep10Good
Oct12Good
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Viseu?

Viseu sits at 1.2°S, 46.1°W, 13 m above sea level, in Brazil. The nearest listed city is Carutapera, 13 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 47 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 89 m; within 80 km, only modest variations in elevation — a maximum elevation change of 180 m.

The land around Viseu is covered by trees (41%) and grassland (22%) within 3 km, trees (36%) and mangroves (34%) within 16 km, and trees (35%) and water (34%) within 80 km.

3 km
47 m
16 km
89 m
80 km
180 m
treesgrasslandartificial surfaceswaterwetlandmangroves
March weather nearby: Carutapera 13 km · Cândido Mendes 54 km · Augusto Corrêa 58 km · Bragança 71 km · Cachoeira do Piriá 77 km · Tracuateua 86 km · Santa Luzia do Pará 92 km · Maracaçumé 96 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 (-1.1967°, -46.14°, elevation 13 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).