Rio Formoso weather in April

In April, Rio Formoso sees average daytime highs of 30°C and overnight lows near 24°C, with 94 mm of rain across 21 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 25% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 42 min by month's end. Set against the rest of the year, April is Rio Formoso's 11th-clearest and 12th-windiest month. For the whole year in context, see Rio Formoso's year-round climate.

Daytime high
30°
5th warmest
Overnight low
24°
9th coldest
Rainfall
94 mm
21 wet days
Daylight
11 h 48 min
5:27 AM – 5:15 PM
Cloud cover
59%
11th clearest
Wind
8 km/h
12th windiest
Solar energy
4.97 kWh/m²
Travel score
3.8
out of 10

Rio Formoso is 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 30°C through the month.

A typical April day in Rio Formoso reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, April runs about 1°C cooler than March and about 1°C warmer than May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213023
223023
233023
242923
252923
262923
272923
282923
292923
302923

How April really feels in Rio Formoso

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.

Rio Formoso weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°5617.312.44.1
Feb31° / 24°6116.912.33.8
Mar31° / 24°8019.512.13.8
Apr30° / 24°942111.83.8
May29° / 23°12324.111.63.9
Jun27° / 22°14124.711.54.3
Jul27° / 21°12324.811.54.5
Aug27° / 21°7822.211.74.8
Sep28° / 21°5417.511.95.3
Oct29° / 22°3814.712.25.1
Nov30° / 23°3011.512.45.0
Dec30° / 23°3212.512.54.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 27% of April, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55644
65644
75644
85545
95545
105446
115446
125446
135347
145248
155149
165149
175149
185050
195050
205050
214951
224852
234852
244852
254852
264852
274951
284951
294852
304852

Chance of precipitation in April

Any precipitation

Rio Formoso gets around 94 mm of rain over 21 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 71% and peaks near 75% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
167
268
368
468
568
668
769
869
969
1069
1170
1270
1370
1470
1571
1671
1771
1871
1971
2071
2171
2272
2372
2472
2573
2673
2774
2874
2975
3075

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
12908
22908
32908
42908
52908
62908
72908
82908
92908
102908
112908
122908
132917
141927
151927
161927
171927
181936
191936
201936
211936
221936
231945
241945
251945
261954
271954
281954
292944
302953

Wind in April

Winds average 8 km/h in April, the calmest month.

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.

0246810151015202530
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 54 min at the start of April to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over April. Sunrise moves from 5:27 AM to 5:27 AM, and sunset from 5:23 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:275:23
211.95:275:23
311.95:275:22
411.95:275:21
511.95:275:21
611.95:275:20
711.95:275:20
811.95:275:19
911.95:275:19
1011.95:275:18
1111.85:275:18
1211.85:275:17
1311.85:275:17
1411.85:275:16
1511.85:275:16
1611.85:275:15
1711.85:275:15
1811.85:275:14
1911.85:275:14
2011.85:275:13
2111.85:275:13
2211.85:275:12
2311.85:275:12
2411.75:275:11
2511.75:275:11
2611.75:275:11
2711.75:275:10
2811.75:275:10
2911.75:275:10
3011.75:275:09

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.97 kWh/m².

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 5.85 kWh/m² in November across the year — April's 4.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
Planning a trip in April

Hazard calendar for Rio Formoso

In seasonPeak

In April, Rio Formoso sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Rio Formoso's rainy season runs March–August, 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 Rio Formoso?

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

3.8
Sightseeing
10th-best month of the year
5.1
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in Rio Formoso.

What to pack for Rio Formoso in April

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

In April, Rio Formoso sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Rio Formoso in April

The nearest coast averages about 29°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 23 km away) is warmest in April at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec27Warm

UV index in Rio Formoso in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rio Formoso peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Rio Formoso?

Rio Formoso sits at 8.7°S, 35.2°W, 87 m above sea level, in Brazil. The nearest listed city is Sirinhaém, 10 km away.

Topography around Rio Formoso

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

Within 3 km, the terrain around Rio Formoso has only modest variations in elevation — a maximum elevation change of 138 m around an average of 70 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 179 m; within 80 km, large variations in elevation — a maximum elevation change of 859 m.

The land around Rio Formoso is covered by trees (55%) and grassland (35%) within 3 km, trees (36%) and grassland (32%) within 16 km, and grassland (43%) and water (32%) within 80 km.

3 km
138 m
16 km
179 m
80 km
859 m
treesgrasslandcroplandartificial surfaceswatermangroves
April weather nearby: Sirinhaém 10 km · Tamandaré 12 km · Barreiros 17 km · São José da Coroa Grande 26 km · Gameleira 26 km · Ribeirão 29 km · Porto de Galinhas 32 km · Escada 35 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 Rio Formoso (-8.6688°, -35.1628°, elevation 87 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).