Pires do Rio weather in May

In May, Pires do Rio sees average daytime highs of 28°C and overnight lows near 17°C, with 17 mm of rain across 2.6 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 51% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 24 min at the start of May to 11 h 06 min by month's end. Set against the rest of the year, May is Pires do Rio's 5th-clearest and 6th-windiest month. For the whole year in context, see Pires do Rio's year-round climate.

Daytime high
28°
10th warmest
Overnight low
17°
4th coldest
Rainfall
17 mm
2.6 wet days
Daylight
11 h 12 min
7:34 AM – 6:45 PM
Cloud cover
43%
5th clearest
Wind
8 km/h
6th windiest
Solar energy
4.72 kWh/m²
Travel score
7.4
out of 10

Pires do Rio 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 28°C through the month.

A typical May day in Pires do Rio reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42917
52817
62817
72817
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222816
232816
242816
252816
262816
272816
282816
292816
302816
312816

Pires do Rio 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°23921.912.93.9
Feb29° / 20°17518.312.64.1
Mar29° / 20°17219.412.14.3
Apr29° / 19°6810.211.65.6
May28° / 17°172.611.27.4
Jun27° / 15°60.9118.2
Jul28° / 15°20.311.18.2
Aug30° / 16°61.111.46.7
Sep31° / 19°325.411.95.0
Oct31° / 20°10413.712.44.1
Nov29° / 20°20921.612.83.8
Dec29° / 20°25524.1133.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 29%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37624
47525
57426
67327
77228
87129
97030
106931
116733
126733
136634
146634
156634
166634
176634
186733
196733
206832
216931
227030
237129
247327
257426
267525
277624
287723
297822
307822
317921

Chance of precipitation in May

Any precipitation

Pires do Rio gets around 17 mm of rain over 2.6 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 9% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
212
312
411
510
69
79
89
99
109
119
129
1310
1410
1510
1610
1710
1810
1910
2010
2110
229
239
249
258
268
277
287
297
306
316

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16304420
27314418
38334316
49344315
510354213
610364212
711374111
811384110
912384010
1012394010
111239399
121339399
131340399
141340389
151440388
161440388
171440388
181539388
191539388
201639387
211638387
221738386
231838386
241839385
251939375
262039374
272040364
282141353
292142343
302242332
312343322

Wind in May

Winds average 8 km/h in May.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
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 24 min at the start of May to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 7:29 AM to 7:39 AM, and sunset from 6:52 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:296:52
211.47:296:51
311.47:296:51
411.37:306:50
511.37:306:50
611.37:306:49
711.37:316:49
811.37:316:48
911.37:316:48
1011.37:326:47
1111.37:326:47
1211.27:326:47
1311.27:336:46
1411.27:336:46
1511.27:336:45
1611.27:346:45
1711.27:346:45
1811.27:346:44
1911.27:356:44
2011.17:356:44
2111.17:356:44
2211.17:366:43
2311.17:366:43
2411.17:366:43
2511.17:376:43
2611.17:376:43
2711.17:386:42
2811.17:386:42
2911.17:386:42
3011.17:396:42
3111.17:396:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.72 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.19 kWh/m² in October across the year — May's 4.72 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Pires do Rio

In seasonPeak

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

Pires do Rio'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 Pires do Rio?

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

7.4
Sightseeing
3rd-best month of the year
8.2
Beach & pool
4th-best month of the year

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

What to pack for Pires do Rio in May

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

In May, Pires do Rio sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Pires do Rio in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pires do Rio peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 13UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Pires do Rio?

Pires do Rio sits at 17.3°S, 48.3°W, 770 m above sea level, in Brazil. The nearest listed city is Orizona, 30 km away.

Topography around Pires do Rio

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

Within 3 km, the terrain around Pires do Rio has only modest variations in elevation — a maximum elevation change of 147 m around an average of 729 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 341 m; within 80 km, large variations in elevation — a maximum elevation change of 608 m.

The land around Pires do Rio is covered by grassland (38%), trees (25%) and artificial surfaces (22%) within 3 km, grassland (43%), trees (28%) and cropland (26%) within 16 km, and cropland (34%), grassland (33%) and trees (27%) within 80 km.

3 km
147 m
16 km
341 m
80 km
608 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Orizona 30 km · Ipameri 49 km · Caldas Novas 62 km · Piracanjuba 78 km · Silvânia 79 km · Bela Vista de Goiás 80 km · Cristalina 92 km · Morrinhos 99 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 Pires do Rio (-17.2997°, -48.2794°, elevation 770 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).