Altônia weather in March

In March, Altônia sees average daytime highs of 30°C and overnight lows near 22°C, with 107 mm of rain across 12.7 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 8th-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 38% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Altônia's 7th-clearest and 12th-windiest month. For the whole year in context, see Altônia's year-round climate.

Daytime high
30°
4th warmest
Overnight low
22°
9th coldest
Rainfall
107 mm
12.7 wet days
Daylight
12 h 12 min
7:40 AM – 7:50 PM
Cloud cover
54%
7th clearest
Wind
8 km/h
12th windiest
Solar energy
5.34 kWh/m²
Travel score
4.7
out of 10

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 Altônia 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 27°C and 33°C. Set against its neighbours, March runs on par with February and about 2°C warmer than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103023
113023
123023
133023
143023
153023
163023
173023
183022
193022
203022
213022
223022
233022
243022
253022
262922
272922
282922
292922
302922
312922

How March really feels in Altônia

Once humidity and wind are folded in, March averages 21 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
21
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.

Altônia weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°14416.613.33.9
Feb31° / 23°14314.612.84.0
Mar30° / 22°10712.712.24.7
Apr28° / 20°917.711.56.4
May24° / 17°1258.810.97.2
Jun23° / 16°1078.110.67.4
Jul23° / 15°846.910.77.6
Aug25° / 16°826.211.27.8
Sep27° / 18°1158.511.96.9
Oct29° / 20°16012.112.65.4
Nov30° / 21°13711.713.25.0
Dec30° / 23°1541513.44.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45347
55347
65446
75446
85446
95446
105545
115545
125446
135446
145446
155446
165446
175446
185446
195446
205545
215545
225545
235644
245644
255644
265644
275743
285743
295743
305743
315842

Chance of precipitation in March

Any precipitation

Altônia gets around 107 mm of rain over 12.7 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 41% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
346
445
545
645
744
844
943
1043
1143
1243
1343
1443
1543
1642
1742
1842
1941
2040
2140
2239
2339
2438
2538
2637
2736
2835
2935
3034
3133

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100525673
200526672
300526672
400527662
500527662
600528652
700429652
800429652
900430642
1000430642
1100431632
1200431632
1300432622
1400432622
1500533602
1600534592
1700535582
1800636562
1900637552
2000737542
2101838512
2201939501
2301939491
24011039481
25011140471
26011240461
27121240451
28121340440
29121340430
30121341430
31131441420

Wind in March

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

Across March, 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.

051015151015202531
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
318calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 30 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 42 minutes over March. Sunrise moves from 7:33 AM to 7:46 AM, and sunset from 8:04 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:338:04
212.57:348:04
312.57:348:03
412.57:358:02
512.47:358:01
612.47:368:00
712.47:367:59
812.47:377:58
912.37:377:57
1012.37:377:56
1112.37:387:55
1212.37:387:54
1312.27:397:53
1412.27:397:52
1512.27:407:51
1612.27:407:50
1712.17:417:49
1812.17:417:48
1912.17:417:47
2012.17:427:46
2112.17:427:45
2212.07:437:44
2312.07:437:43
2412.07:437:42
2512.07:447:41
2611.97:447:40
2711.97:457:39
2811.97:457:38
2911.97:457:37
3011.87:467:36
3111.87:467:35

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.34 kWh/m².

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 6.28 kWh/m² in December across the year — March's 5.34 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in March

Is March a good time to visit Altônia?

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

4.7
Sightseeing
9th-best month of the year
6.5
Beach & pool
6th-best month of the year

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

What to pack for Altônia in March

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

In March, Altônia sees daytime highs around 30°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Altônia 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 Altônia peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 19UV 15Sep 14UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep4Moderate
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Altônia 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 Altônia is worst in September — around 26 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1525 µg/m³Mar 166 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr7Good
May8Good
Jun8Good
Jul7Good
Aug17Moderate
Sep26Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Altônia?

Altônia sits at 23.9°S, 53.9°W, 353 m above sea level, in Brazil. The nearest listed city is Iporã, 25 km away.

Topography around Altônia

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

Within 3 km, the terrain around Altônia has only modest variations in elevation — a maximum elevation change of 114 m around an average of 353 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 216 m; within 80 km, significant variations in elevation — a maximum elevation change of 297 m.

The land around Altônia is covered by grassland (36%) and cropland (36%) within 3 km, cropland (40%) and grassland (38%) within 16 km, and cropland (58%) and grassland (22%) within 80 km.

3 km
114 m
16 km
216 m
80 km
297 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Iporã 25 km · Terra Roxa 37 km · Guaíra 42 km · Palotina 46 km · Itaquiraí 53 km · Umuarama 60 km · Assis Chateaubriand 72 km · Marechal Cândido Rondon 77 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 Altônia (-23.8744°, -53.9017°, elevation 353 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).