Pirassununga weather in May

In May, Pirassununga sees average daytime highs of 26°C and overnight lows near 15°C, with 53 mm of rain across 6.2 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 47% 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 Pirassununga's 5th-clearest and 8th-windiest month. For the whole year in context, see Pirassununga's year-round climate.

Daytime high
26°
10th warmest
Overnight low
15°
4th coldest
Rainfall
53 mm
6.2 wet days
Daylight
11 hours
7:37 AM – 6:34 PM
Cloud cover
47%
5th clearest
Wind
8 km/h
8th windiest
Solar energy
4.1 kWh/m²
Travel score
7.6
out of 10

Pirassununga is human settlement in Brazil.

Air quality
Moderate
PM10 31 µg/m³ · 2012

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 Pirassununga 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 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)
12716
22716
32716
42716
52716
62616
72616
82616
92616
102615
112615
122615
132615
142615
152515
162515
172515
182515
192515
202515
212515
222515
232514
242514
252514
262514
272514
282514
292514
302514
312514

Pirassununga 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°25122.913.23.8
Feb29° / 20°17318.612.84.0
Mar29° / 20°15118.312.24.5
Apr28° / 18°628.811.56.4
May26° / 15°536.2117.6
Jun25° / 14°323.410.78.2
Jul25° / 13°263.410.88.3
Aug27° / 14°253.611.27.8
Sep29° / 17°667.911.96.0
Oct29° / 18°11613.812.54.8
Nov29° / 19°17017.113.14.5
Dec29° / 20°21521.813.34.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
46733
56634
66634
76436
86337
96337
106139
116040
126040
135941
145941
155941
166040
175941
186040
196040
206040
216139
226139
236238
246238
256337
266337
276337
286337
296337
306436
316436

Chance of precipitation in May

Any precipitation

Pirassununga gets around 53 mm of rain over 6.2 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 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
317
417
516
616
717
817
917
1018
1118
1219
1320
1420
1521
1622
1722
1823
1923
2023
2124
2224
2323
2423
2523
2622
2722
2821
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 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
117383411
218393410
31939339
42140327
52240326
62240326
72341315
82441315
92441314
102441314
112541304
122541303
132641303
142641303
152741303
162741293
172841292
182840292
192940292
202940292
213040282
223140282
233139272
243239272
253339272
263339262
273339262
283439251
293440251
303440241
313440241

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.

0246810151015202531
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 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 7:31 AM to 7:44 AM, and sunset from 6:43 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:316:43
211.27:316:42
311.27:326:42
411.17:326:41
511.17:336:40
611.17:336:40
711.17:336:39
811.17:346:38
911.17:346:38
1011.07:356:37
1111.07:356:37
1211.07:366:36
1311.07:366:36
1411.07:376:35
1511.07:376:35
1611.07:376:34
1710.97:386:34
1810.97:386:34
1910.97:396:33
2010.97:396:33
2110.97:406:33
2210.97:406:32
2310.97:416:32
2410.87:416:32
2510.87:416:31
2610.87:426:31
2710.87:426:31
2810.87:436:31
2910.87:436:30
3010.87:446:30
3110.87:446:30

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.1 kWh/m².

For context, solar energy here swings from a low near 3.81 kWh/m² to a high of 5.94 kWh/m² in November across the year — May's 4.1 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
193.9Moderate
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 Pirassununga

In seasonPeak

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

Pirassununga's monsoon runs October–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 Pirassununga?

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

7.6
Sightseeing
4th-best month of the year
7.0
Beach & pool
6th-best month of the year

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

What to pack for Pirassununga in May

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

In May, Pirassununga 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 Pirassununga 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 Pirassununga peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 20UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Pirassununga 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 Pirassununga 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 Pirassununga?

Pirassununga sits at 22.0°S, 47.4°W, 631 m above sea level, in Brazil. The nearest listed city is Porto Ferreira, 17 km away.

Topography around Pirassununga

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

Within 3 km, the terrain around Pirassununga has only modest variations in elevation — a maximum elevation change of 109 m around an average of 617 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 303 m; within 80 km, large variations in elevation — a maximum elevation change of 1,116 m.

The land around Pirassununga is covered by artificial surfaces (40%), cropland (25%) and trees (23%) within 3 km, cropland (62%) and trees (25%) within 16 km, and cropland (46%) and trees (35%) within 80 km.

3 km
109 m
16 km
303 m
80 km
1,116 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Porto Ferreira 17 km · Leme 21 km · Descalvado 22 km · Santa Cruz das Palmeiras 26 km · Santa Rita do Passa Quatro 32 km · Tambaú 36 km · Araras 40 km · Casa Branca 43 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 Pirassununga (-21.9961°, -47.4258°, elevation 631 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).