Cachoeiras de Macacu weather in April

In April, Cachoeiras de Macacu sees average daytime highs of 26°C and overnight lows near 18°C, with 134 mm of rain across 16.4 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 27% 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 Cachoeiras de Macacu's 6th-clearest and 10th-windiest month. For the whole year in context, see Cachoeiras de Macacu's year-round climate.

Daytime high
26°
5th warmest
Overnight low
18°
7th coldest
Rainfall
134 mm
16.4 wet days
Daylight
11 h 30 min
7:06 AM – 6:35 PM
Cloud cover
60%
6th clearest
Wind
4 km/h
10th windiest
Solar energy
4.41 kWh/m²
Travel score
5.6
out of 10

Cachoeiras de Macacu 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 26°C through the month.

A typical April day in Cachoeiras de Macacu reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, April runs about 1°C cooler than March and about 2°C warmer than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102619
112619
122619
132618
142618
152618
162618
172618
182618
192618
202618
212618
222618
232618
242618
252617
262617
272617
282517
292517
302517

Cachoeiras de Macacu weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°36224.113.23.9
Feb29° / 20°2772012.84.0
Mar28° / 20°2872412.24.3
Apr26° / 18°13416.411.55.6
May24° / 16°871210.96.7
Jun24° / 15°497.710.77.5
Jul23° / 14°487.110.87.6
Aug24° / 14°517.711.27.5
Sep25° / 16°10812.311.96.6
Oct25° / 18°15916.512.55.6
Nov26° / 19°29721.613.14.7
Dec27° / 20°36724.713.44.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 23% of April, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
34159
44258
54258
64456
74456
84654
94654
104654
114852
124951
135050
145050
155149
165149
175248
185248
195248
205446
215446
225446
235446
245446
255644
265644
275644
285644
295644
305644

Chance of precipitation in April

Any precipitation

Cachoeiras de Macacu gets around 134 mm of rain over 16.4 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 55% and peaks near 69% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
169
268
367
467
566
665
764
863
961
1060
1159
1258
1357
1456
1555
1654
1752
1851
1950
2050
2149
2248
2347
2447
2546
2645
2745
2844
2944
3043

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
102166418
202166517
302166616
402176615
503176713
603186712
703196711
803196810
90420679
100421678
110422668
120423667
130524656
140524656
150525655
160626635
170627634
180628624
190729613
200730603
210832573
220933562
230934552
2401036522
2511137502
2611239481
2711240461
2811342441
2911443411
3011545390

Wind in April

Winds average 4 km/h in April.

Across April, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
265calm
275calm
285calm
295calm
305calm

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 7:01 AM to 7:12 AM, and sunset from 6:49 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:016:49
211.87:016:48
311.87:026:47
411.77:026:47
511.77:026:46
611.77:036:45
711.77:036:44
811.77:046:43
911.67:046:42
1011.67:046:41
1111.67:056:40
1211.67:056:39
1311.57:056:38
1411.57:066:37
1511.57:066:36
1611.57:066:35
1711.57:076:34
1811.47:076:34
1911.47:086:33
2011.47:086:32
2111.47:086:31
2211.47:096:30
2311.37:096:29
2411.37:096:29
2511.37:106:28
2611.37:106:27
2711.37:116:26
2811.27:116:25
2911.27:126:25
3011.27:126:24

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.41 kWh/m².

For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 5.99 kWh/m² in February across the year — April's 4.41 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in April

Hazard calendar for Cachoeiras de Macacu

In seasonPeak

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

Cachoeiras de Macacu'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 Cachoeiras de Macacu?

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

5.6
Sightseeing
6th-best month of the year
5.4
Beach & pool
6th-best month of the year

April is a reasonable time to visit Cachoeiras de Macacu for sightseeing.

What to pack for Cachoeiras de Macacu in April

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

In April, Cachoeiras de Macacu sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

UV index in Cachoeiras de Macacu 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 Cachoeiras de Macacu peaks around January 21 at about 14 (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 21UV 14Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep7Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Cachoeiras de Macacu 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 Cachoeiras de Macacu is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (March, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Mar 1110 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar10Good
Apr12Good
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Cachoeiras de Macacu?

Cachoeiras de Macacu sits at 22.5°S, 42.7°W, 63 m above sea level, in Brazil. The nearest listed city is Nova Friburgo, 24 km away.

Topography around Cachoeiras de Macacu

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

Within 3 km, the terrain around Cachoeiras de Macacu has large variations in elevation — a maximum elevation change of 710 m around an average of 239 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,264 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.

The land around Cachoeiras de Macacu is covered by trees (80%) within 3 km, trees (86%) within 16 km, and trees (46%) and grassland (33%) within 80 km.

3 km
710 m
16 km
2,264 m
80 km
2,252 m
treesgrasslandartificial surfaceswaterwetland
April weather nearby: Nova Friburgo 24 km · Rio Bonito 28 km · Tanguá 30 km · São Pedro 32 km · Teresópolis 34 km · Silva Jardim 34 km · Guapimirim 35 km · Itaboraí 38 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 Cachoeiras de Macacu (-22.4625°, -42.6531°, elevation 63 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).