Fortuna weather in April

In April, Fortuna sees average daytime highs of 31°C and overnight lows near 22°C, with 173 mm of rain across 21.9 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 4th-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 8% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 11 h 48 min by month's end. Set against the rest of the year, April is Fortuna's 9th-clearest and 9th-windiest month. For the whole year in context, see Fortuna's year-round climate.

Daytime high
31°
9th warmest
Overnight low
22°
8th coldest
Rainfall
173 mm
21.9 wet days
Daylight
11 h 54 min
6:01 AM – 5:53 PM
Cloud cover
74%
9th clearest
Wind
5 km/h
9th windiest
Solar energy
4.53 kWh/m²
Travel score
3.3
out of 10

Fortuna 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 31°C through the month.

A typical April day in Fortuna reaches about 31°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173122
183122
193123
203123
213123
223123
233123
243123
253123
263123
273122
283122
293122
303122

How April really feels in Fortuna

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.

Fortuna weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°2342612.32.9
Feb30° / 22°22024.312.22.9
Mar30° / 22°24827.6122.8
Apr31° / 22°17321.911.93.3
May31° / 22°7311.511.74.2
Jun32° / 22°8211.74.8
Jul33° / 22°70.711.74.7
Aug34° / 22°10.211.84.0
Sep35° / 23°131.7123.2
Oct35° / 23°304.612.13.1
Nov33° / 23°9111.912.33.2
Dec32° / 23°13717.612.33.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22080
32179
42179
52179
62278
72377
82377
92377
102377
112575
122575
132575
142575
152575
162674
172872
182872
192872
203070
213070
223070
232971
243070
253070
263070
273169
283169
293268
303268

Chance of precipitation in April

Any precipitation

Fortuna gets around 173 mm of rain over 21.9 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 73% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
284
383
483
582
682
781
881
981
1080
1180
1279
1378
1477
1576
1675
1774
1873
1971
2070
2169
2267
2366
2465
2563
2662
2760
2859
2958
3056

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
108614
208515
308515
408515
508416
608416
708416
808317
908317
1008317
1108317
1208218
1308218
1418118
1518118
1618118
1718118
1818118
1918118
2018118
2118118
2218118
2318118
2418118
2518217
2628117
2728216
2828216
2938215
3038314

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 6 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
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 11 h 48 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 6:03 AM to 6:00 AM, and sunset from 6:00 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:036:00
211.96:035:59
311.96:025:59
411.96:025:58
511.96:025:58
611.96:025:58
711.96:025:57
811.96:025:57
911.96:015:56
1011.96:015:56
1111.96:015:55
1211.96:015:55
1311.96:015:54
1411.96:015:54
1511.96:015:53
1611.96:015:53
1711.96:015:53
1811.96:005:52
1911.96:005:52
2011.96:005:51
2111.86:005:51
2211.86:005:51
2311.86:005:50
2411.86:005:50
2511.86:005:50
2611.86:005:49
2711.86:005:49
2811.86:005:49
2911.86:005:48
3011.86:005:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.53 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.43 kWh/m² in September across the year — April's 4.53 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in April

Hazard calendar for Fortuna

In seasonPeak

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

Fortuna's monsoon runs December–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 Fortuna?

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

3.3
Sightseeing
5th-best month of the year
4.7
Beach & pool
9th-best month of the year

April is a weaker month for outdoor sightseeing in Fortuna.

What to pack for Fortuna in April

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

In April, Fortuna sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Fortuna 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 Fortuna peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 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 11UV 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Fortuna 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 Fortuna is worst in October — around 53 µg/m³ PM2.5 (poor), about 8.4× the cleanest month (June, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateOct 953 µg/m³Jun 167 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar12Good
Apr11Good
May8Good
Jun6Good
Jul8Good
Aug25Moderate
Sep53Poor
Oct53Poor
Nov23Moderate
Dec17Moderate
Location & terrain

Where is Fortuna?

Fortuna sits at 5.7°S, 44.2°W, 210 m above sea level, in Brazil. The nearest listed city is São Domingos do Maranhão, 31 km away.

Topography around Fortuna

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

Within 3 km, the terrain around Fortuna has only modest variations in elevation — a maximum elevation change of 108 m around an average of 211 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 278 m; within 80 km, significant variations in elevation — a maximum elevation change of 410 m.

The land around Fortuna is covered by grassland (56%) and trees (35%) within 3 km, trees (59%) and grassland (32%) within 16 km, and trees (68%) and grassland (27%) within 80 km.

3 km
108 m
16 km
278 m
80 km
410 m
treesshrubsgrasslandcroplandartificial surfaces
April weather nearby: São Domingos do Maranhão 31 km · Colinas 34 km · Buriti Bravo 38 km · Presidente Dutra 61 km · Passagem Franca 65 km · Mirador 74 km · Tuntum 76 km · São João do Soter 79 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 Fortuna (-5.7333°, -44.1583°, elevation 210 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).