Santo Antônio do Sudoeste weather in March

In March, Santo Antônio do Sudoeste sees average daytime highs of 28°C and overnight lows near 19°C, with 141 mm of rain across 13.8 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-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 40% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Santo Antônio do Sudoeste's 7th-clearest and 11th-windiest month. For the whole year in context, see Santo Antônio do Sudoeste's year-round climate.

Daytime high
28°
4th warmest
Overnight low
19°
9th coldest
Rainfall
141 mm
13.8 wet days
Daylight
12 h 12 min
7:39 AM – 7:50 PM
Cloud cover
53%
7th clearest
Wind
9 km/h
11th windiest
Solar energy
5.14 kWh/m²
Travel score
5.6
out of 10

Santo Antônio do Sudoeste 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 28°C through the month.

A typical March day in Santo Antônio do Sudoeste reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, March runs on par with February and about 2°C warmer than April.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22920
32919
42919
52919
62919
72919
82919
92919
102919
112919
122919
132919
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242818
252818
262818
272818
282818
292718
302718
312718

Santo Antônio do Sudoeste weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°17417.413.44.4
Feb29° / 20°16316.212.94.6
Mar28° / 19°14113.812.25.6
Apr26° / 17°1509.911.46.8
May22° / 13°1739.810.76.8
Jun21° / 12°16910.210.46.5
Jul21° / 11°1358.710.56.9
Aug23° / 13°1107.411.17.6
Sep25° / 15°1731111.86.9
Oct26° / 17°2261412.66.0
Nov28° / 18°16512.913.35.8
Dec29° / 19°19516.613.64.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45644
55644
65743
75743
85743
95743
105743
115743
125842
135842
145743
155743
165743
175743
185743
195743
205743
215743
225644
235644
245644
255644
265644
275644
285545
295545
305644
315644

Chance of precipitation in March

Any precipitation

Santo Antônio do Sudoeste gets around 141 mm of rain over 13.8 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 45% and peaks near 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
252
351
450
549
648
747
847
946
1046
1145
1245
1345
1445
1545
1645
1745
1844
1944
2044
2143
2243
2343
2442
2542
2642
2741
2840
2940
3039
3138

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
107205617
207215517
307225516
407235515
507235713
607245712
707245811
807255711
907265710
100726589
110727579
120728578
130728587
140729577
150730576
161730566
171831546
181832545
191932535
2021033505
2121033505
2221134495
2331134484
2431234474
2531234464
2641334454
2741334444
2851334444
2951334434
3061334424
3161334424

Wind in March

Winds average 9 km/h in March.

Across March, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 36 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over March. Sunrise moves from 7:31 AM to 7:46 AM, and sunset from 8:05 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.67:318:05
212.67:318:04
312.57:328:04
412.57:338:03
512.57:338:02
612.47:348:01
712.47:348:00
812.47:357:59
912.47:357:58
1012.37:367:57
1112.37:367:56
1212.37:377:55
1312.37:377:53
1412.27:387:52
1512.27:387:51
1612.27:397:50
1712.27:397:49
1812.17:407:48
1912.17:407:47
2012.17:417:46
2112.17:417:45
2212.07:427:44
2312.07:427:43
2412.07:437:42
2512.07:437:40
2611.97:447:39
2711.97:447:38
2811.97:457:37
2911.87:457:36
3011.87:467:35
3111.87:467:34

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.14 kWh/m².

For context, solar energy here swings from a low near 2.85 kWh/m² to a high of 6.27 kWh/m² in December across the year — March's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in March

Is March a good time to visit Santo Antônio do Sudoeste?

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

5.6
Sightseeing
9th-best month of the year
6.4
Beach & pool
3rd-best month of the year

March is a reasonable time to visit Santo Antônio do Sudoeste for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santo Antônio do Sudoeste in March

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

In March, Santo Antônio do Sudoeste sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Santo Antônio do Sudoeste in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Antônio do Sudoeste peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 22UV 15Jul 10UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep7High
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Santo Antônio do Sudoeste 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 Santo Antônio do Sudoeste is worst in September — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1023 µg/m³Mar 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May6Good
Jun6Good
Jul10Good
Aug22Moderate
Sep24Moderate
Oct12Good
Nov9Good
Dec7Good
Location & terrain

Where is Santo Antônio do Sudoeste?

Santo Antônio do Sudoeste sits at 26.1°S, 53.7°W, 544 m above sea level, in Brazil. The nearest listed city is Dionísio Cerqueira, 22 km away.

Topography around Santo Antônio do Sudoeste

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio do Sudoeste.

Within 3 km, the terrain around Santo Antônio do Sudoeste has only modest variations in elevation — a maximum elevation change of 166 m around an average of 555 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 435 m; within 80 km, large variations in elevation — a maximum elevation change of 810 m.

The land around Santo Antônio do Sudoeste is covered by trees (43%) and cropland (22%) within 3 km, trees (55%) and cropland (30%) within 16 km, and trees (67%) within 80 km.

3 km
166 m
16 km
435 m
80 km
810 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Dionísio Cerqueira 22 km · Ampére 31 km · Realeza 39 km · Capanema 45 km · Salto do Lontra 53 km · Francisco Beltrão 67 km · Marmeleiro 70 km · San Pedro 72 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 Santo Antônio do Sudoeste (-26.0736°, -53.7253°, elevation 544 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).