Guareí weather in April

In April, Guareí sees average daytime highs of 27°C and overnight lows near 17°C, with 65 mm of rain across 8.3 wet days and about 11.5 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 26°C by the end. The sky is clear or mostly clear about 38% of the time in April, and the air most often feels humid.

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 Guareí's 5th-clearest and 7th-windiest month. For the whole year in context, see Guareí's year-round climate.

Daytime high
27°
7th warmest
Overnight low
17°
7th coldest
Rainfall
65 mm
8.3 wet days
Daylight
11 h 30 min
7:29 AM – 6:57 PM
Cloud cover
53%
5th clearest
Wind
9 km/h
7th windiest
Solar energy
4.6 kWh/m²
Travel score
6.8
out of 10

Guareí is human settlement in Brazil.

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 28°C in the first days to 26°C by the end.

A typical April day in Guareí reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12818
22818
32818
42818
52818
62718
72718
82718
92718
102718
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222716
232616
242616
252616
262616
272616
282616
292616
302616

Guareí weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°28322.613.34.0
Feb29° / 20°20819.212.84.1
Mar28° / 19°15317.712.25.0
Apr27° / 17°658.311.56.8
May24° / 14°646.610.97.5
Jun23° / 13°515.410.67.8
Jul23° / 12°464.610.78.0
Aug25° / 13°424.711.28.0
Sep26° / 15°838.711.96.9
Oct27° / 17°12412.412.56.0
Nov28° / 18°15414.913.15.5
Dec28° / 19°19919.813.44.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
35050
45050
55149
65149
75248
85347
95347
105347
115446
125446
135644
145644
155743
165743
175842
185743
195842
205842
215941
225941
236040
246040
256040
266139
276139
286139
296139
306139

Chance of precipitation in April

Any precipitation

Guareí gets around 65 mm of rain over 8.3 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 28% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
240
338
437
536
635
733
832
931
1031
1130
1229
1329
1428
1527
1627
1727
1826
1926
2025
2125
2224
2324
2423
2522
2622
2721
2821
2920
3020

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11833553
21833553
31934533
41934533
521034513
621134512
721134512
831234492
931334482
1031435472
1141535451
1241635431
1341736421
1451836401
1551937391
1652037371
1752138351
1852339330
1952439310
2052540290
2162641270
2262841250
2372942220
2473042200
2583043190
2693143170
2793243150
28103343140
29113343120
30123443110

Wind in April

Winds average 9 km/h in April.

Across April, 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.

051015151015202530
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

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 7:23 AM to 7:35 AM, and sunset from 7:11 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:237:11
211.87:247:10
311.87:247:09
411.77:257:08
511.77:257:07
611.77:257:06
711.77:267:05
811.67:267:04
911.67:267:03
1011.67:277:02
1111.67:277:01
1211.57:287:00
1311.57:286:59
1411.57:286:59
1511.57:296:58
1611.57:296:57
1711.47:306:56
1811.47:306:55
1911.47:306:54
2011.47:316:53
2111.37:316:52
2211.37:326:51
2311.37:326:51
2411.37:336:50
2511.37:336:49
2611.27:336:48
2711.27:346:47
2811.27:346:47
2911.27:356:46
3011.27:356:45

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.6 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 5.89 kWh/m² in December across the year — April's 4.6 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
Planning a trip in April

Hazard calendar for Guareí

In seasonPeak

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

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

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

Is April a good time to visit Guareí?

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

6.8
Sightseeing
6th-best month of the year
6.8
Beach & pool
2nd-best month of the year

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

What to pack for Guareí in April

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

In April, Guareí sees daytime highs around 27°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Guareí 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 Guareí peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Guareí 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 Guareí is worst in September — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodSep 922 µg/m³Nov 2312 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar13Moderate
Apr14Moderate
May17Moderate
Jun20Moderate
Jul21Moderate
Aug22Moderate
Sep22Moderate
Oct17Moderate
Nov12Good
Dec12Good
Location & terrain

Where is Guareí?

Guareí sits at 23.4°S, 48.2°W, 644 m above sea level, in Brazil. The nearest listed city is Angatuba, 27 km away.

Topography around Guareí

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

Within 3 km, the terrain around Guareí has only modest variations in elevation — a maximum elevation change of 88 m around an average of 648 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 356 m; within 80 km, significant variations in elevation — a maximum elevation change of 556 m.

The land around Guareí is covered by grassland (47%), cropland (26%) and trees (21%) within 3 km, trees (38%), grassland (36%) and cropland (25%) within 16 km, and trees (42%), cropland (30%) and grassland (24%) within 80 km.

3 km
88 m
16 km
356 m
80 km
556 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Angatuba 27 km · Itapetininga 28 km · Cesário Lange 29 km · Tatuí 33 km · Conchas 44 km · Capela do Alto 47 km · Laranjal Paulista 51 km · Cerquilho 51 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 Guareí (-23.3728°, -48.1842°, elevation 644 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).