Itaboraí weather in April

In April, Itaboraí sees average daytime highs of 28°C and overnight lows near 21°C, with 108 mm of rain across 14.2 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 28°C through the month. The sky is clear or mostly clear about 37% of the time in April, and the air most often feels oppressive.

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 Itaboraí's 5th-clearest and 10th-windiest month. For the whole year in context, see Itaboraí's year-round climate.

Daytime high
28°
5th warmest
Overnight low
21°
8th coldest
Rainfall
108 mm
14.2 wet days
Daylight
11 h 30 min
7:07 AM – 6:36 PM
Cloud cover
53%
5th clearest
Wind
6 km/h
10th windiest
Solar energy
4.46 kWh/m²
Travel score
5.4
out of 10

Itaboraí is human settlement in Brazil.

Air quality
Good
PM2.5 8 µg/m³ · 2015

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 28°C through the month.

A typical April day in Itaboraí reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°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 2°C cooler than March and about 2°C warmer than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112921
122921
132821
142821
152821
162821
172821
182821
192821
202821
212821
222821
232821
242821
252820
262820
272820
282820
292720
302720

How April really feels in Itaboraí

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.

Itaboraí 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
Jan31° / 23°25921.313.23.4
Feb31° / 23°19918.112.83.5
Mar30° / 23°22021.912.23.8
Apr28° / 21°10814.211.55.4
May26° / 19°771110.96.7
Jun26° / 18°44710.67.4
Jul25° / 17°447.210.77.6
Aug26° / 17°437.311.27.4
Sep26° / 19°8210.911.96.5
Oct27° / 20°11213.512.55.8
Nov28° / 21°21018.713.14.8
Dec29° / 23°25421.613.43.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24951
35050
45050
55149
65248
75248
85446
95446
105545
115644
125644
135743
145842
155941
165941
176040
186139
196238
206238
216337
226337
236337
246436
256535
266535
276535
286535
296535
306535

Chance of precipitation in April

Any precipitation

Itaboraí gets around 108 mm of rain over 14.2 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 48% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
163
262
361
460
559
658
756
855
954
1052
1151
1250
1349
1448
1547
1646
1745
1844
1943
2042
2142
2241
2341
2440
2540
2639
2739
2839
2938
3038

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10327655
20427645
30428635
40428644
50529624
60529624
70530614
80631603
90631603
100732583
110733573
120734572
130834562
140835552
150835561
160936541
170936541
1801037521
1901138501
2001139490
2101240470
2211341450
2311442430
2411543410
2511643390
2611744370
2721845350
2821946330
2922047310
3032148290

Wind in April

Winds average 6 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 7:02 AM to 7:13 AM, and sunset from 6:50 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:026:50
211.87:026:49
311.87:036:48
411.77:036:47
511.77:036:46
611.77:046:45
711.77:046:44
811.67:046:43
911.67:056:42
1011.67:056:41
1111.67:066:40
1211.67:066:40
1311.57:066:39
1411.57:076:38
1511.57:076:37
1611.57:076:36
1711.57:086:35
1811.47:086:34
1911.47:096:33
2011.47:096:32
2111.47:096:32
2211.37:106:31
2311.37:106:30
2411.37:116:29
2511.37:116:28
2611.37:116:27
2711.27:126:27
2811.27:126:26
2911.27:136:25
3011.27:136:24

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.46 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 6.06 kWh/m² in February across the year — April's 4.46 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
Planning a trip in April

Hazard calendar for Itaboraí

In seasonPeak

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

Itaboraí'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 Itaboraí?

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

5.4
Sightseeing
7th-best month of the year
6.2
Beach & pool
6th-best month of the year

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

What to pack for Itaboraí in April

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

In April, Itaboraí sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 14 days see rain.

light clothesrain gear

Sea temperature near Itaboraí in April

The nearest coast averages about 25°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 km away) is warmest in March at about 25°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Itaboraí 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 Itaboraí peaks around January 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 13UV 14Jul 13UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug8Very high
Sep7High
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Itaboraí?

Itaboraí sits at 22.7°S, 42.9°W, 47 m above sea level, in Brazil. The nearest listed city is Tanguá, 15 km away.

Topography around Itaboraí

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

Within 3 km, the terrain around Itaboraí has only modest variations in elevation — a maximum elevation change of 76 m around an average of 22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 741 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.

The land around Itaboraí is covered by artificial surfaces (36%), trees (34%) and grassland (29%) within 3 km, grassland (42%) and trees (38%) within 16 km, and trees (42%), water (28%) and grassland (22%) within 80 km.

3 km
76 m
16 km
741 m
80 km
2,252 m
treesgrasslandartificial surfaceswaterwetlandmangroves
April weather nearby: Tanguá 15 km · Maricá 20 km · Magé 21 km · Rio Bonito 26 km · Guapimirim 26 km · Niterói 29 km · São Pedro 37 km · Rio de Janeiro 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 Itaboraí (-22.7444°, -42.8594°, elevation 47 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).