Piracicaba weather in April

In April, Piracicaba sees average daytime highs of 29°C and overnight lows near 18°C, with 53 mm of rain across 7.3 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 28°C by the end. The sky is clear or mostly clear about 46% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 12 min by month's end. Set against the rest of the year, April is Piracicaba's 5th-clearest and 8th-windiest month. For the whole year in context, see Piracicaba's year-round climate.

Daytime high
29°
8th warmest
Overnight low
18°
6th coldest
Rainfall
53 mm
7.3 wet days
Daylight
11 h 30 min
7:27 AM – 6:55 PM
Cloud cover
48%
5th clearest
Wind
8 km/h
8th windiest
Solar energy
4.78 kWh/m²
Travel score
6.2
out of 10
Air quality
Moderate
PM2.5 13 µg/m³ · 2019

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 28°C by the end.

A typical April day in Piracicaba reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, April runs about 1°C cooler than March and about 3°C warmer than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
112918
122918
132918
142918
152918
162918
172918
182918
192818
202818
212818
222817
232817
242817
252817
262817
272817
282817
292817
302717

How April really feels in Piracicaba

Once humidity and wind are folded in, April 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

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

Piracicaba weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°25522.313.23.6
Feb30° / 21°1861912.83.7
Mar30° / 20°14417.112.24.4
Apr29° / 18°537.311.56.2
May26° / 15°52610.97.5
Jun25° / 14°384.510.68.0
Jul25° / 13°313.810.78.1
Aug27° / 14°303.911.27.6
Sep29° / 16°618.111.96.0
Oct30° / 18°10412.112.54.9
Nov30° / 19°1481513.14.5
Dec30° / 20°19019.913.43.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35842
45941
56040
66040
76040
86139
96139
106139
116139
126139
136139
146139
156337
166337
176337
186337
196337
206436
216436
226436
236535
246535
256535
266634
276733
286733
296634
306634

Chance of precipitation in April

Any precipitation

Piracicaba gets around 53 mm of rain over 7.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
238
336
435
533
632
730
829
928
1027
1126
1226
1325
1424
1524
1623
1723
1822
1922
2022
2121
2221
2320
2420
2519
2619
2719
2818
2918
3017

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
107265512
217275411
318275410
41827559
51928548
61928548
711028547
821129526
921230515
1021330505
1121431494
1231532473
1331632463
1431733443
1531834432
1641935412
1742036391
1842137371
1942237351
2052338331
2152439311
2262639291
2362740261
2472840241
2582940220
2693040210
27103140190
28113240180
29123339160
30133439140

Wind in April

Winds average 8 km/h in April.

Across April, 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.

0246810151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over April. Sunrise moves from 7:21 AM to 7:32 AM, and sunset from 7:09 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:217:09
211.87:227:08
311.87:227:07
411.77:227:06
511.77:237:05
611.77:237:04
711.77:237:03
811.67:247:03
911.67:247:02
1011.67:247:01
1111.67:257:00
1211.67:256:59
1311.57:256:58
1411.57:266:57
1511.57:266:56
1611.57:276:55
1711.57:276:54
1811.47:276:53
1911.47:286:52
2011.47:286:52
2111.47:296:51
2211.37:296:50
2311.37:296:49
2411.37:306:48
2511.37:306:47
2611.37:316:47
2711.27:316:46
2811.27:316:45
2911.27:326:44
3011.27:326:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.78 kWh/m².

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 6.02 kWh/m² in November across the year — April's 4.78 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
Planning a trip in April

Hazard calendar for Piracicaba

In seasonPeak

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

Piracicaba'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 April a good time to visit Piracicaba?

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

6.2
Sightseeing
5th-best month of the year
7.4
Beach & pool
4th-best month of the year

April is a reasonable time to visit Piracicaba for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Piracicaba in April

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

In April, Piracicaba sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Piracicaba in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Piracicaba peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (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 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Piracicaba in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Piracicaba is worst in September — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Piracicaba's WHO annual average of 13 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1121 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug20Moderate
Sep21Moderate
Oct15Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Piracicaba?

Piracicaba sits at 22.7°S, 47.6°W, 530 m above sea level, in Brazil. The nearest listed city is Rio das Pedras, 14 km away.

Topography around Piracicaba

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

Within 3 km, the terrain around Piracicaba has only modest variations in elevation — a maximum elevation change of 129 m around an average of 525 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, large variations in elevation — a maximum elevation change of 634 m.

The land around Piracicaba is covered by artificial surfaces (73%) and trees (20%) within 3 km, cropland (45%) and trees (24%) within 16 km, and cropland (39%), trees (31%) and grassland (23%) within 80 km.

3 km
129 m
16 km
296 m
80 km
634 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Rio das Pedras 14 km · Iracemápolis 21 km · Santa Bárbara d'Oeste 24 km · Charqueada 27 km · Limeira 31 km · Santa Gertrudes 32 km · Americana 33 km · Capivari 33 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 Piracicaba (-22.7253°, -47.6492°, elevation 530 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).