Guapiaçu weather in April

In April, Guapiaçu sees average daytime highs of 29°C and overnight lows near 20°C, with 62 mm of rain across 9.1 wet days and about 11.5 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 49% 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 18 min by month's end. Set against the rest of the year, April is Guapiaçu's 6th-clearest and 9th-windiest month. For the whole year in context, see Guapiaçu's year-round climate.

Daytime high
29°
9th warmest
Overnight low
20°
6th coldest
Rainfall
62 mm
9.1 wet days
Daylight
11 h 30 min
7:31 AM – 7:03 PM
Cloud cover
46%
6th clearest
Wind
8 km/h
9th windiest
Solar energy
5.04 kWh/m²
Travel score
5.6
out of 10

Guapiaçu 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

Day-to-day highs hold fairly steady near 29°C through the month.

A typical April day in Guapiaçu reaches about 29°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, April runs on par with March and about 2°C warmer than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
182920
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292918
302918

How April really feels in Guapiaçu

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.

Guapiaçu weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°26423.213.13.4
Feb30° / 22°18919.812.73.6
Mar30° / 21°17219.112.14.0
Apr29° / 20°629.111.55.6
May27° / 17°445.1117.4
Jun27° / 16°243.110.87.9
Jul28° / 16°152.110.98.0
Aug30° / 17°182.511.36.5
Sep31° / 19°586.511.95.0
Oct31° / 21°11112.112.54.1
Nov31° / 21°16617133.9
Dec30° / 22°22422.313.23.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25743
35842
45941
56040
66040
76238
86238
96337
106337
116436
126436
136436
146436
156535
166535
176535
186634
196733
206733
216832
226931
237030
247030
257129
267228
277327
287327
297327
307426

Chance of precipitation in April

Any precipitation

Guapiaçu gets around 62 mm of rain over 9.1 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 30% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
148
246
345
444
542
641
740
839
938
1036
1135
1234
1333
1431
1530
1629
1727
1826
1925
2024
2123
2222
2322
2421
2520
2619
2718
2818
2917
3016

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 58% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
104135231
214145130
315145129
415155227
515155326
616165324
716175323
817185222
917195320
1018205219
1118225118
1229235016
1329255015
1429264914
15210274812
16210294711
17211314610
1821232459
1931234448
2031335427
2131436406
2241537386
2341738365
2451839354
2551939334
2662139313
2772239302
2872339282
2982539272
3092638251

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.

051015151015202530
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 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over April. Sunrise moves from 7:27 AM to 7:36 AM, and sunset from 7:16 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:277:16
211.87:277:15
311.87:277:14
411.87:287:13
511.77:287:12
611.77:287:12
711.77:297:11
811.77:297:10
911.77:297:09
1011.67:307:08
1111.67:307:07
1211.67:307:06
1311.67:307:05
1411.67:317:05
1511.57:317:04
1611.57:317:03
1711.57:327:02
1811.57:327:01
1911.57:327:00
2011.47:337:00
2111.47:336:59
2211.47:336:58
2311.47:346:57
2411.47:346:56
2511.47:346:56
2611.37:356:55
2711.37:356:54
2811.37:366:54
2911.37:366:53
3011.37:366:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.04 kWh/m².

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 6.11 kWh/m² in October across the year — April's 5.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in April

Hazard calendar for Guapiaçu

In seasonPeak

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

Guapiaçu'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 Guapiaçu?

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

5.6
Sightseeing
5th-best month of the year
7.2
Beach & pool
6th-best month of the year

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

What to pack for Guapiaçu in April

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

In April, Guapiaçu sees daytime highs around 29°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Guapiaçu in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guapiaçu peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug8Very high
Sep10Very high
Oct10Extreme
Nov13Extreme
Dec14Extreme

Air quality in Guapiaçu 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 Guapiaçu is worst in September — around 24 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1423 µg/m³Nov 228 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar10Good
Apr10Good
May11Good
Jun10Good
Jul10Good
Aug19Moderate
Sep24Moderate
Oct16Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Guapiaçu?

Guapiaçu sits at 20.8°S, 49.2°W, 508 m above sea level, in Brazil. The nearest listed city is São José do Rio Preto, 17 km away.

Topography around Guapiaçu

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

Within 3 km, the terrain around Guapiaçu has only modest variations in elevation — a maximum elevation change of 100 m around an average of 522 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 157 m; within 80 km, significant variations in elevation — a maximum elevation change of 288 m.

The land around Guapiaçu is covered by cropland (49%) and trees (21%) within 3 km, cropland (56%) and trees (22%) within 16 km, and cropland (63%) and trees (20%) within 80 km.

3 km
100 m
16 km
157 m
80 km
288 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: São José do Rio Preto 17 km · Bady Bassitt 27 km · Nova Granada 31 km · Mirassol 31 km · Potirendaba 32 km · Olímpia 32 km · Catanduva 46 km · Tanabi 48 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 Guapiaçu (-20.795°, -49.2203°, elevation 508 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).