Pirajuí weather in May

In May, Pirajuí sees average daytime highs of 26°C and overnight lows near 16°C, with 56 mm of rain across 5.7 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 49% of the time in May, and the air most often feels humid.

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 Pirajuí's 5th-clearest and 6th-windiest month. For the whole year in context, see Pirajuí's year-round climate.

Daytime high
26°
10th warmest
Overnight low
16°
4th coldest
Rainfall
56 mm
5.7 wet days
Daylight
11 hours
7:46 AM – 6:43 PM
Cloud cover
46%
5th clearest
Wind
9 km/h
6th windiest
Solar energy
4.09 kWh/m²
Travel score
7.5
out of 10

Pirajuí 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 Pirajuí reaches about 26°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 29°C. Set against its neighbours, May runs about 3°C cooler than April and on par with June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32717
42717
52717
62717
72717
82717
92717
102717
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222516
232516
242515
252515
262515
272515
282515
292515
302515
312515

How May really feels in Pirajuí

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Pirajuí 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
Jan30° / 21°25022.213.23.6
Feb30° / 21°17618.612.83.7
Mar30° / 21°13917.112.24.3
Apr29° / 19°617.611.56.0
May26° / 16°565.7117.5
Jun26° / 15°37410.78.0
Jul26° / 14°233.210.88.2
Aug28° / 16°303.611.27.4
Sep30° / 18°617.411.95.7
Oct30° / 19°11312.512.54.6
Nov30° / 20°14715.113.14.2
Dec30° / 21°19519.613.33.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26733
36733
46634
56535
66436
76238
86238
96139
106040
115941
125941
135842
145941
155941
165941
175941
185941
195941
205941
216040
226040
236040
246139
256139
266139
276040
286040
296040
306139
316139

Chance of precipitation in May

Any precipitation

Pirajuí gets around 56 mm of rain over 5.7 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 19% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
116
216
315
415
515
615
715
815
915
1015
1116
1216
1317
1418
1518
1619
1719
1820
1921
2021
2121
2222
2322
2422
2522
2622
2722
2822
2922
3021
3121

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
111294118
212304116
313314114
414324113
515334012
615344011
716343911
816353810
917353810
101836379
111836379
121936369
131937368
142037368
152037358
162137358
172137348
182137348
192237338
202237338
212336338
222436338
232435338
242534337
252534347
262633347
272633357
282632357
292632357
302732356
312731366

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 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
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:39 AM to 7:52 AM, and sunset from 6:51 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:396:51
211.27:396:50
311.27:406:50
411.17:406:49
511.17:416:48
611.17:416:48
711.17:426:47
811.17:426:47
911.17:426:46
1011.07:436:46
1111.07:436:45
1211.07:446:44
1311.07:446:44
1411.07:456:43
1511.07:456:43
1611.07:466:43
1710.97:466:42
1810.97:466:42
1910.97:476:41
2010.97:476:41
2110.97:486:41
2210.97:486:40
2310.97:496:40
2410.87:496:40
2510.87:506:39
2610.87:506:39
2710.87:506:39
2810.87:516:39
2910.87:516:39
3010.87:526:38
3110.87:526:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.09 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.08 kWh/m² in November across the year — May's 4.09 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.3Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.1Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Moderate
194.0Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in May

Hazard calendar for Pirajuí

In seasonPeak

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

Pirajuí's rainy season runs October–March, when most of the year's rain falls.

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

Is May a good time to visit Pirajuí?

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

7.5
Sightseeing
3rd-best month of the year
7.3
Beach & pool
6th-best month of the year

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

What to pack for Pirajuí in May

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

In May, Pirajuí sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Pirajuí 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 Pirajuí 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
Nov13Extreme
Dec13Extreme

Air quality in Pirajuí 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 Pirajuí is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1422 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul11Good
Aug18Moderate
Sep22Moderate
Oct15Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Pirajuí?

Pirajuí sits at 22.0°S, 49.5°W, 499 m above sea level, in Brazil. The nearest listed city is Cafelândia, 27 km away.

Topography around Pirajuí

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

Within 3 km, the terrain around Pirajuí has only modest variations in elevation — a maximum elevation change of 117 m around an average of 506 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 213 m; within 80 km, significant variations in elevation — a maximum elevation change of 362 m.

The land around Pirajuí is covered by trees (33%), grassland (30%) and cropland (21%) within 3 km, cropland (43%), trees (31%) and grassland (26%) within 16 km, and cropland (49%) and trees (29%) within 80 km.

3 km
117 m
16 km
213 m
80 km
362 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Cafelândia 27 km · Garça 31 km · Lins 46 km · Bauru 54 km · Marília 56 km · Piratininga 57 km · Novo Horizonte 64 km · Promissão 66 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 Pirajuí (-21.9986°, -49.4572°, elevation 499 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).