Olho d’Água das Cunhãs weather in April

In April, Olho d’Água das Cunhãs sees average daytime highs of 31°C and overnight lows near 24°C, with 238 mm of rain across 26 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 4% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of April to 11 h 54 min by month's end. Set against the rest of the year, April is Olho d’Água das Cunhãs's 9th-clearest and 11th-windiest month. For the whole year in context, see Olho d’Água das Cunhãs's year-round climate.

Daytime high
31°
11th warmest
Overnight low
24°
8th coldest
Rainfall
238 mm
26 wet days
Daylight
11 h 54 min
6:03 AM – 5:58 PM
Cloud cover
80%
9th clearest
Wind
5 km/h
11th windiest
Solar energy
4.36 kWh/m²
Travel score
2.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical April day in Olho d’Água das Cunhãs reaches about 31°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How April really feels in Olho d’Água das Cunhãs

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Olho d’Água das Cunhãs weather by month

How April compares with the rest of the year at a glance. April is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°23024.912.22.6
Feb31° / 23°24624.712.12.5
Mar31° / 24°28129122.4
Apr31° / 24°2382611.92.7
May32° / 24°11117.911.83.4
Jun32° / 23°306.411.84.3
Jul33° / 23°143.211.84.1
Aug35° / 24°51.411.93.3
Sep36° / 25°71.3122.7
Oct36° / 25°183.412.12.5
Nov35° / 25°50812.22.6
Dec34° / 25°12115.712.22.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31288
41387
51387
61387
71585
81585
91585
101684
111684
121783
131783
141783
151783
161882
171882
181882
191981
202080
212080
222080
232080
242080
252080
262080
272080
282080
292278
302278

Chance of precipitation in April

Any precipitation

Olho d’Água das Cunhãs gets around 238 mm of rain over 26 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 87% and peaks near 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
393
492
592
691
791
890
990
1090
1189
1289
1389
1488
1588
1687
1787
1886
1986
2085
2184
2284
2383
2483
2582
2681
2780
2878
2977
3076

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the miserable band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
12872
22773
32674
42674
52575
62575
72476
82476
92377
102377
112377
122278
132278
142278
152179
162179
172080
182080
191981
201981
211981
221882
231882
241882
251882
261783
271783
281783
291783
301783

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over April. Sunrise moves from 6:06 AM to 6:02 AM, and sunset from 6:04 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:066:04
212.06:066:04
312.06:066:03
412.06:066:03
512.06:056:02
611.96:056:02
711.96:056:02
811.96:056:01
911.96:056:01
1011.96:046:00
1111.96:046:00
1211.96:046:00
1311.96:045:59
1411.96:045:59
1511.96:045:58
1611.96:035:58
1711.96:035:58
1811.96:035:57
1911.96:035:57
2011.96:035:57
2111.96:035:56
2211.96:035:56
2311.96:035:56
2411.96:025:55
2511.96:025:55
2611.96:025:55
2711.96:025:54
2811.96:025:54
2911.96:025:54
3011.96:025:54

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.36 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.27 kWh/m² in October across the year — April's 4.36 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
Planning a trip in April

Hazard calendar for Olho d’Água das Cunhãs

In seasonPeak

In April, Olho d’Água das Cunhãs sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Olho d’Água das Cunhãs's monsoon runs January–April, 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 Olho d’Água das Cunhãs?

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

2.7
Sightseeing
5th-best month of the year
4.0
Beach & pool
10th-best month of the year

April is a weaker month for outdoor sightseeing in Olho d’Água das Cunhãs.

What to pack for Olho d’Água das Cunhãs in April

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

In April, Olho d’Água das Cunhãs sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in Olho d’Água das Cunhãs in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Olho d’Água das Cunhãs peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jul 19UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Olho d’Água das Cunhãs 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 Olho d’Água das Cunhãs is worst in November — around 27 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1426 µg/m³Jun 189 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun9Good
Jul10Good
Aug10Good
Sep13Moderate
Oct22Moderate
Nov27Moderate
Dec20Moderate
Location & terrain

Where is Olho d’Água das Cunhãs?

Olho d’Água das Cunhãs sits at 4.1°S, 45.1°W, 75 m above sea level, in Brazil. The nearest listed city is Vitorino Freire, 22 km away.

Topography around Olho d’Água das Cunhãs

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Olho d’Água das Cunhãs.

Within 3 km, the terrain around Olho d’Água das Cunhãs has only modest variations in elevation — a maximum elevation change of 41 m around an average of 32 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, significant variations in elevation — a maximum elevation change of 362 m.

The land around Olho d’Água das Cunhãs is covered by grassland (88%) within 3 km, grassland (92%) within 16 km, and grassland (59%) and trees (37%) within 80 km.

3 km
41 m
16 km
102 m
80 km
362 m
treesshrubsgrasslandartificial surfaceswaterwetland
April weather nearby: Vitorino Freire 22 km · Pio XII 34 km · Paulo Ramos 37 km · Bacabal 39 km · Lago da Pedra 47 km · São Luís Gonzaga do Maranhão 56 km · Santa Inês 60 km · Santa Luzia 63 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 Olho d’Água das Cunhãs (-4.1387°, -45.1188°, elevation 75 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).