Viçosa weather in May

In May, Viçosa sees average daytime highs of 25°C and overnight lows near 16°C, with 34 mm of rain across 5.3 wet days and about 11 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 18 min at the start of May to 10 h 48 min by month's end. Set against the rest of the year, May is Viçosa's 5th-clearest and 10th-windiest month. For the whole year in context, see Viçosa's year-round climate.

Daytime high
25°
10th warmest
Overnight low
16°
4th coldest
Rainfall
34 mm
5.3 wet days
Daylight
11 hours
7:17 AM – 6:18 PM
Cloud cover
57%
5th clearest
Wind
8 km/h
10th windiest
Solar energy
3.71 kWh/m²
Travel score
7.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 24°C by the end.

A typical May day in Viçosa reaches about 25°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92516
102516
112516
122516
132516
142516
152516
162515
172515
182515
192515
202515
212515
222515
232515
242515
252415
262415
272415
282415
292415
302415
312415

Viçosa weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°22616.813.14.6
Feb29° / 20°11611.912.74.8
Mar28° / 19°13215.912.15.0
Apr27° / 18°609.611.56.5
May25° / 16°345.3117.5
Jun24° / 14°122.510.88.3
Jul24° / 14°82.110.98.5
Aug25° / 14°162.811.38.1
Sep27° / 16°537.511.97.0
Oct27° / 18°9211.112.56.1
Nov27° / 19°20618.2135.0
Dec28° / 20°24420.113.24.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35743
45644
55545
65446
75347
85248
95050
104951
114753
124555
134555
144456
154456
164357
174258
184357
194456
204456
214555
224654
234753
244852
254951
265050
275149
285248
295248
305446
315545

Chance of precipitation in May

Any precipitation

Viçosa gets around 34 mm of rain over 5.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
218
317
417
516
616
716
816
916
1017
1117
1218
1319
1420
1520
1620
1721
1821
1921
2021
2121
2220
2320
2419
2519
2618
2717
2817
2916
3015
3115

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14284820
24294818
35314816
46324815
56334713
67344712
77354711
87364610
9837469
10837469
11837468
12938467
13938477
14938476
151038476
161038475
171038475
181039474
191139464
201139464
211140453
221141453
231242443
241242432
251343422
261343422
271444412
281444402
291545391
301545391
311645381

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 18 min at the start of May to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 7:11 AM to 7:24 AM, and sunset from 6:26 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:116:26
211.27:126:26
311.27:126:25
411.27:126:24
511.27:136:24
611.27:136:23
711.27:146:23
811.17:146:22
911.17:146:22
1011.17:156:21
1111.17:156:20
1211.17:166:20
1311.17:166:20
1411.07:166:19
1511.07:176:19
1611.07:176:18
1711.07:186:18
1811.07:186:17
1911.07:196:17
2011.07:196:17
2111.07:196:16
2210.97:206:16
2310.97:206:16
2410.97:216:16
2510.97:216:15
2610.97:226:15
2710.97:226:15
2810.97:226:15
2910.97:236:15
3010.97:236:14
3110.87:246:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.71 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 5.96 kWh/m² in February across the year — May's 3.71 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Bright
64.0Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Viçosa

In seasonPeak

None of Viçosa's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Viçosa's monsoon runs November–March, when most of the year's rain falls.

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

Is May a good time to visit Viçosa?

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

7.5
Sightseeing
4th-best month of the year
6.8
Beach & pool
5th-best month of the year

May is one of the better times to visit Viçosa for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Viçosa in May

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

In May, Viçosa sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes. About 5 days see rain.

light clothes

UV index in Viçosa in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Viçosa peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 9UV 15Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May7Very high
Jun7High
Jul7High
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Viçosa in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Viçosa is worst in September — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (March, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1715 µg/m³Mar 168 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar8Good
Apr9Good
May10Good
Jun10Good
Jul10Good
Aug11Good
Sep15Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is Viçosa?

Viçosa sits at 20.8°S, 42.9°W, 656 m above sea level, in Brazil. The nearest listed city is Ervália, 25 km away.

Topography around Viçosa

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Viçosa.

Within 3 km, the terrain around Viçosa has only modest variations in elevation — a maximum elevation change of 231 m around an average of 701 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 402 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,787 m.

The land around Viçosa is covered by trees (40%), grassland (35%) and artificial surfaces (24%) within 3 km, grassland (49%) and trees (46%) within 16 km, and grassland (57%) and trees (42%) within 80 km.

3 km
231 m
16 km
402 m
80 km
1,787 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Ervália 25 km · Visconde do Rio Branco 29 km · Ponte Nova 38 km · Ubá 41 km · Piranga 44 km · Tocantins 49 km · Rio Pomba 66 km · Muriaé 68 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 Viçosa (-20.7539°, -42.8819°, elevation 656 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. 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).