Três de Maio weather in March

In March, Três de Maio sees average daytime highs of 29°C and overnight lows near 19°C, with 134 mm of rain across 12.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 29°C by the end. The sky is clear or mostly clear about 41% 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 Três de Maio's 4th-clearest and 11th-windiest month. For the whole year in context, see Três de Maio's year-round climate.

Daytime high
29°
4th warmest
Overnight low
19°
9th coldest
Rainfall
134 mm
12.1 wet days
Daylight
12 h 12 min
7:40 AM – 7:53 PM
Cloud cover
52%
4th clearest
Wind
10 km/h
11th windiest
Solar energy
5.19 kWh/m²
Travel score
5.2
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 29°C by the end.

A typical March day in Três de Maio reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, March runs about 1°C cooler than February and about 3°C warmer than April.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143019
153019
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272918
282918
292918
302818
312818

How March really feels in Três de Maio

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

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Três de Maio weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°15314.813.64.1
Feb30° / 20°14814.2134.3
Mar29° / 19°13412.112.25.2
Apr27° / 17°1611011.46.6
May23° / 13°1639.410.66.9
Jun21° / 12°1589.910.36.5
Jul20° / 11°1499.610.46.6
Aug23° / 12°1028.6117.3
Sep24° / 14°16210.611.87.0
Oct27° / 16°23112.912.76.1
Nov29° / 18°16711.213.45.6
Dec31° / 20°17313.313.74.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25743
35743
45842
55842
65941
75941
85941
95941
105941
115941
126040
136040
145941
155941
165941
175941
185941
195842
205941
215941
225941
235842
245941
255842
265842
275743
285743
295743
305743
315743

Chance of precipitation in March

Any precipitation

Três de Maio gets around 134 mm of rain over 12.1 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 39% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
246
345
444
544
643
742
841
940
1039
1139
1238
1338
1438
1537
1637
1737
1837
1937
2037
2137
2237
2337
2437
2536
2636
2736
2835
2935
3035
3134

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 56% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1110223433
2110233432
3110243530
4110253628
5110263727
6010263825
7010273924
8010274022
9010274121
10011284120
11011284219
12011284218
13012284317
14012284316
15113284315
16113284314
17114284313
18215284313
19215284212
20316284211
21416284111
22416294110
2351629419
2451629419
2561629418
2671629408
2771629408
2881629408
2991629397
30101629397
31101529387

Wind in March

Winds average 10 km/h in March.

Across March, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 7:32 AM to 7:49 AM, and sunset from 8:09 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.67:328:09
212.67:328:08
312.67:338:07
412.57:338:06
512.57:348:05
612.57:358:04
712.57:358:03
812.47:368:02
912.47:368:01
1012.47:377:59
1112.37:387:58
1212.37:387:57
1312.37:397:56
1412.37:397:55
1512.27:407:54
1612.27:407:53
1712.27:417:52
1812.17:427:50
1912.17:427:49
2012.17:437:48
2112.17:437:47
2212.07:447:46
2312.07:447:45
2412.07:457:44
2512.07:457:42
2611.97:467:41
2711.97:467:40
2811.97:477:39
2911.87:477:38
3011.87:487:37
3111.87:497:35

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.19 kWh/m².

For context, solar energy here swings from a low near 2.63 kWh/m² to a high of 6.63 kWh/m² in December across the year — March's 5.19 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.0Bright
215.0Bright
225.0Bright
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 Três de Maio?

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

5.2
Sightseeing
9th-best month of the year
6.7
Beach & pool
2nd-best month of the year

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

What to pack for Três de Maio in March

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

In March, Três de Maio sees daytime highs around 29°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Três de Maio in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Três de Maio peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Três de Maio 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 Três de Maio is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1516 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug12Moderate
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Três de Maio?

Três de Maio sits at 27.8°S, 54.2°W, 351 m above sea level, in Brazil. The nearest listed city is Horizontina, 18 km away.

Topography around Três de Maio

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

Within 3 km, the terrain around Três de Maio has only modest variations in elevation — a maximum elevation change of 97 m around an average of 333 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, significant variations in elevation — a maximum elevation change of 526 m.

The land around Três de Maio is covered by cropland (51%) and trees (22%) within 3 km, cropland (59%) and trees (32%) within 16 km, and cropland (51%) and trees (40%) within 80 km.

3 km
97 m
16 km
244 m
80 km
526 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Horizontina 18 km · Santa Rosa 26 km · Giruá 30 km · Santo Cristo 42 km · Três Passos 47 km · El Soberbio 53 km · Santo Ângelo 59 km · Ijuí 75 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 Três de Maio (-27.7733°, -54.24°, elevation 351 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).