Santa Rosa de Viterbo weather in May

In May, Santa Rosa de Viterbo sees average daytime highs of 26°C and overnight lows near 15°C, with 44 mm of rain across 6.1 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 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 48% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 48 min by month's end. Set against the rest of the year, May is Santa Rosa de Viterbo's 5th-clearest and 7th-windiest month. For the whole year in context, see Santa Rosa de Viterbo's year-round climate.

Daytime high
26°
10th warmest
Overnight low
15°
4th coldest
Rainfall
44 mm
6.1 wet days
Daylight
11 hours
7:36 AM – 6:35 PM
Cloud cover
46%
5th clearest
Wind
7 km/h
7th windiest
Solar energy
4.18 kWh/m²
Travel score
7.5
out of 10

Santa Rosa de Viterbo is human settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 25°C by the end.

A typical May day in Santa Rosa de Viterbo reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12816
22716
32716
42716
52716
62716
72716
82716
92716
102716
112616
122615
132615
142615
152615
162615
172615
182615
192615
202615
212615
222615
232615
242615
252615
262614
272614
282514
292514
302514
312614

Santa Rosa de Viterbo 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° / 21°23922.313.23.7
Feb30° / 20°16718.112.73.9
Mar29° / 20°14417.212.24.5
Apr29° / 18°598.311.56.1
May26° / 15°446.1117.5
Jun26° / 14°263.210.78.1
Jul26° / 13°212.410.88.3
Aug28° / 15°192.911.37.6
Sep30° / 17°677.311.95.7
Oct30° / 19°10413.112.54.6
Nov30° / 20°15917134.3
Dec29° / 20°20321.713.33.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37030
46931
56832
66733
76634
86436
96337
106238
116040
126040
135941
145842
155842
165842
175842
185842
195842
205842
215941
226040
236139
246139
256337
266337
276436
286535
296535
306535
316535

Chance of precipitation in May

Any precipitation

Santa Rosa de Viterbo gets around 44 mm of rain over 6.1 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 20% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
318
418
517
617
717
817
918
1018
1118
1219
1319
1420
1520
1621
1721
1822
1922
2023
2123
2223
2323
2423
2522
2622
2721
2821
2920
3019
3118

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
113393612
215403510
31640359
41741348
51841347
61842346
71942336
82042335
92041335
102141335
112241334
122240334
132340334
142439334
152539333
162638333
172638333
182737333
192737333
202837322
212937322
222937312
232938312
243038302
253039302
263039292
273040282
283040282
293141272
303142261
313142251

Wind in May

Winds average 7 km/h in May.

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

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 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 24 minutes over May. Sunrise moves from 7:30 AM to 7:43 AM, and sunset from 6:43 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:306:43
211.27:306:43
311.27:316:42
411.27:316:41
511.27:326:41
611.17:326:40
711.17:326:40
811.17:336:39
911.17:336:38
1011.17:346:38
1111.17:346:37
1211.07:356:37
1311.07:356:36
1411.07:356:36
1511.07:366:35
1611.07:366:35
1711.07:376:35
1811.07:376:34
1910.97:386:34
2010.97:386:34
2110.97:396:33
2210.97:396:33
2310.97:396:33
2410.97:406:32
2510.97:406:32
2610.97:416:32
2710.87:416:32
2810.87:426:31
2910.87:426:31
3010.87:426:31
3110.87:436:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.18 kWh/m².

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 5.99 kWh/m² in October across the year — May's 4.18 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.0Bright
204.0Bright
214.0Moderate
224.0Moderate
234.0Moderate
244.0Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in May

Hazard calendar for Santa Rosa de Viterbo

In seasonPeak

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

Santa Rosa de Viterbo'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 Santa Rosa de Viterbo?

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
7.2
Beach & pool
6th-best month of the year

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

What to pack for Santa Rosa de Viterbo in May

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

In May, Santa Rosa de Viterbo sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Santa Rosa de Viterbo 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 Santa Rosa de Viterbo peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santa Rosa de Viterbo 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 Santa Rosa de Viterbo is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1430 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug23Moderate
Sep32Moderate
Oct16Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Santa Rosa de Viterbo?

Santa Rosa de Viterbo sits at 21.5°S, 47.4°W, 677 m above sea level, in Brazil. The nearest listed city is Cajuru, 23 km away.

Topography around Santa Rosa de Viterbo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Rosa de Viterbo.

Within 3 km, the terrain around Santa Rosa de Viterbo has only modest variations in elevation — a maximum elevation change of 229 m around an average of 688 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, large variations in elevation — a maximum elevation change of 1,085 m.

The land around Santa Rosa de Viterbo is covered by trees (35%) and cropland (33%) within 3 km, cropland (41%) and trees (40%) within 16 km, and cropland (45%) and trees (36%) within 80 km.

3 km
229 m
16 km
379 m
80 km
1,085 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Cajuru 23 km · Tambaú 27 km · Santa Rita do Passa Quatro 29 km · Mococa 37 km · Serrana 38 km · Cravinhos 41 km · Santa Cruz das Palmeiras 41 km · Casa Branca 44 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 Santa Rosa de Viterbo (-21.4728°, -47.3631°, elevation 677 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).