Fortuna weather in March

In March, Fortuna sees average daytime highs of 30°C and overnight lows near 22°C, with 248 mm of rain across 27.6 wet days and about 12 hours of daylight. It is the 12th-warmest and 1st-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 3% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Fortuna's 11th-clearest and 12th-windiest month. For the whole year in context, see Fortuna's year-round climate.

Daytime high
30°
12th warmest
Overnight low
22°
8th coldest
Rainfall
248 mm
27.6 wet days
Daylight
12 hours
6:05 AM – 6:07 PM
Cloud cover
81%
11th clearest
Wind
5 km/h
12th windiest
Solar energy
4.46 kWh/m²
Travel score
2.8
out of 10

Fortuna is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical March day in Fortuna reaches about 30°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, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How March really feels in Fortuna

Once humidity and wind are folded in, March averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Fortuna weather by month

How March compares with the rest of the year at a glance. March is the 12th-warmest and 1st-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 12% of March, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31684
41684
51684
61684
71684
81684
91585
101585
111585
121585
131486
141486
151486
161387
171387
181387
191387
201387
211387
221387
231387
241387
251585
261585
271684
281684
291783
301981
311981

Chance of precipitation in March

Any precipitation

Fortuna gets around 248 mm of rain over 27.6 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
387
487
588
688
788
888
989
1089
1189
1290
1390
1490
1591
1691
1791
1891
1991
2091
2191
2291
2390
2490
2589
2689
2788
2888
2987
3086
3186

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18713
28614
38614
48614
58515
68515
78515
88515
98416
108416
118416
128416
138416
148416
158416
168515
178515
188515
198515
208515
218614
228614
238614
248614
258614
268614
278713
288614
298614
308614
318614

Wind in March

Winds average 5 km/h in March, the calmest month.

Across March, 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.

0246810151015202531
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
315calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 06 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over March. Sunrise moves from 6:06 AM to 6:03 AM, and sunset from 6:13 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:066:13
212.16:066:13
312.16:066:13
412.16:066:12
512.16:066:12
612.16:066:12
712.16:066:11
812.16:066:11
912.16:066:10
1012.16:066:10
1112.16:066:10
1212.16:066:09
1312.16:056:09
1412.06:056:08
1512.06:056:08
1612.06:056:07
1712.06:056:07
1812.06:056:07
1912.06:056:06
2012.06:056:06
2112.06:046:05
2212.06:046:05
2312.06:046:04
2412.06:046:04
2512.06:046:03
2612.06:046:03
2712.06:036:02
2812.06:036:02
2912.06:036:01
3012.06:036:01
3112.06:036:00

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.46 kWh/m² — the year's lowest.

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 — March's 4.46 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in March

Hazard calendar for Fortuna

In seasonPeak

In March, 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 March a good time to visit Fortuna?

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

2.8
Sightseeing
12th-best month of the year
4.0
Beach & pool
12th-best month of the year

March is a weaker month for outdoor sightseeing in Fortuna.

What to pack for Fortuna in March

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

In March, Fortuna sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Fortuna in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (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 March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March 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
March 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).