Ouro Preto weather in May

In May, Ouro Preto sees average daytime highs of 23°C and overnight lows near 14°C, with 48 mm of rain across 8 wet days and about 11 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 18 min at the start of May to 10 h 54 min by month's end. Set against the rest of the year, May is Ouro Preto's 5th-clearest and 11th-windiest month. For the whole year in context, see Ouro Preto's year-round climate.

Daytime high
23°
10th warmest
Overnight low
14°
4th coldest
Rainfall
48 mm
8 wet days
Daylight
11 hours
7:19 AM – 6:21 PM
Cloud cover
58%
5th clearest
Wind
7 km/h
11th windiest
Solar energy
3.85 kWh/m²
Travel score
7.1
out of 10

Ouro Preto 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

Day-to-day highs hold fairly steady near 23°C through the month.

A typical May day in Ouro Preto reaches about 23°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°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)
12415
22415
32414
42414
52414
62414
72414
82414
92414
102314
112314
122314
132314
142314
152314
162314
172314
182314
192313
202313
212313
222313
232313
242313
252313
262313
272313
282313
292313
302313
312313

Ouro Preto 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
Jan27° / 18°2942013.14.9
Feb27° / 18°18515.612.75.3
Mar26° / 18°22719.712.15.1
Apr25° / 16°9913.111.56.3
May23° / 14°488117.1
Jun23° / 12°183.310.87.9
Jul23° / 12°112.910.98.1
Aug24° / 12°24411.38.1
Sep25° / 14°839.411.97.0
Oct25° / 16°13915.312.55.9
Nov25° / 17°28321.8134.7
Dec26° / 18°34024.213.24.4

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 (%)
15347
25347
35248
45248
55248
65050
74951
84852
94753
104654
114555
124555
134456
144456
154357
164456
174456
184456
194555
204654
214753
224852
234951
245050
255149
265347
275446
285545
295644
305644
315743

Chance of precipitation in May

Any precipitation

Ouro Preto gets around 48 mm of rain over 8 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 26% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
227
327
426
526
626
725
826
926
1026
1127
1227
1328
1429
1529
1629
1729
1830
1929
2029
2129
2228
2328
2427
2526
2625
2723
2822
2921
3020
3119

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 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11242414
21344394
31445383
41546363
51647342
61748332
71848322
81949311
91949301
102049301
112049291
122149290
132149290
142249290
152249280
162349280
172349280
182349270
192449270
202449260
212550250
222550250
232650240
242652220
252752210
262852200
272853190
282953180
293053170
303054160
313154150

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 18 min at the start of May to 10 h 54 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 7:13 AM to 7:25 AM, and sunset from 6:29 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:136:29
211.27:146:29
311.27:146:28
411.27:146:27
511.27:156:27
611.27:156:26
711.27:166:26
811.27:166:25
911.17:166:25
1011.17:176:24
1111.17:176:24
1211.17:186:23
1311.17:186:23
1411.17:186:22
1511.07:196:22
1611.07:196:21
1711.07:206:21
1811.07:206:21
1911.07:206:20
2011.07:216:20
2111.07:216:20
2211.07:226:19
2310.97:226:19
2410.97:236:19
2510.97:236:18
2610.97:236:18
2710.97:246:18
2810.97:246:18
2910.97:256:18
3010.97:256:18
3110.97:256:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.85 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 5.95 kWh/m² in February across the year — May's 3.85 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.1Bright
84.0Bright
94.0Bright
104.0Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.7Moderate
313.7Moderate
Planning a trip in May

Hazard calendar for Ouro Preto

In seasonPeak

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

Ouro Preto'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 Ouro Preto?

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

7.1
Sightseeing
4th-best month of the year
5.6
Beach & pool
6th-best month of the year

May is one of the better times to visit Ouro Preto for general sightseeing.

What to pack for Ouro Preto in May

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

In May, Ouro Preto sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

UV index in Ouro Preto in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ouro Preto peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 10UV 15Jun 18UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Ouro Preto 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 Ouro Preto is worst in September — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1624 µg/m³Jan 1411 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar13Moderate
Apr15Moderate
May18Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep26Moderate
Oct17Moderate
Nov12Moderate
Dec12Good
Location & terrain

Where is Ouro Preto?

Ouro Preto sits at 20.4°S, 43.5°W, 1,201 m above sea level, in Brazil. The nearest listed city is Mariana, 9.0 km away.

Topography around Ouro Preto

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

Within 3 km, the terrain around Ouro Preto has significant variations in elevation — a maximum elevation change of 579 m around an average of 1,211 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,126 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,793 m.

The land around Ouro Preto is covered by trees (47%) and grassland (34%) within 3 km, trees (66%) and grassland (31%) within 16 km, and trees (51%) and grassland (45%) within 80 km.

3 km
579 m
16 km
1,126 m
80 km
1,793 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Mariana 9.0 km · Ouro Branco 24 km · Itabirito 35 km · Piranga 39 km · Congonhas 39 km · Conselheiro Lafaiete 42 km · Santa Bárbara 49 km · Barão de Cocais 50 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 Ouro Preto (-20.3948°, -43.5052°, elevation 1,201 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).