Três de Maio weather in April

In April, Três de Maio sees average daytime highs of 27°C and overnight lows near 17°C, with 161 mm of rain across 10 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 42% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 hours by month's end. Set against the rest of the year, April is Três de Maio's 3rd-clearest and 10th-windiest month. For the whole year in context, see Três de Maio's year-round climate.

Daytime high
27°
7th warmest
Overnight low
17°
7th coldest
Rainfall
161 mm
10 wet days
Daylight
11 h 18 min
7:57 AM – 7:17 PM
Cloud cover
51%
3rd clearest
Wind
10 km/h
10th windiest
Solar energy
4.11 kWh/m²
Travel score
6.6
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 25°C by the end.

A typical April day in Três de Maio reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, April runs about 3°C cooler than March and about 4°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72817
82817
92717
102717
112717
122717
132717
142717
152717
162717
172616
182616
192616
202616
212616
222616
232616
242516
252516
262515
272515
282515
292515
302515

How April really feels in Três de Maio

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65644
75644
85644
95644
105644
115644
125644
135644
145545
155545
165446
175446
185446
195347
205347
215347
225248
235248
245248
255149
265149
275248
285248
295149
305248

Chance of precipitation in April

Any precipitation

Três de Maio gets around 161 mm of rain over 10 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
333
433
533
633
733
833
933
1034
1134
1234
1335
1435
1535
1636
1736
1836
1936
2036
2135
2235
2335
2434
2534
2633
2732
2832
2931
3030

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1111528387
2121628377
3121628377
4131628377
5131627367
6141627367
7151726367
8151726357
9161825356
10161825356
11171924345
12171924345
13182024334
14182124334
15182124333
16192225323
17192225313
18192325312
19192425302
20202426292
21202526272
22202626261
23212627251
24222627241
25222728221
26232728211
27242728201
28252728191
29262728181
30282728171

Wind in April

Winds average 10 km/h in April.

Across April, 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.

051015151015202530
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

Sunrise & sunset in April

DaylightNight

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

Days shrink by about 48 minutes over April. Sunrise moves from 7:49 AM to 8:05 AM, and sunset from 7:34 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:497:34
211.77:507:33
311.77:507:32
411.77:517:31
511.67:517:30
611.67:527:28
711.67:527:27
811.67:537:26
911.57:537:25
1011.57:547:24
1111.57:547:23
1211.47:557:22
1311.47:557:21
1411.47:567:19
1511.47:567:18
1611.37:577:17
1711.37:587:16
1811.37:587:15
1911.37:597:14
2011.27:597:13
2111.28:007:12
2211.28:007:11
2311.28:017:10
2411.18:017:09
2511.18:027:08
2611.18:037:07
2711.18:037:06
2811.08:047:05
2911.08:047:05
3011.08:057:04

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.11 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 — April's 4.11 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
194.0Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
Planning a trip in April

Is April a good time to visit Três de Maio?

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

6.6
Sightseeing
4th-best month of the year
6.6
Beach & pool
3rd-best month of the year

April 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 April

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

In April, Três de Maio sees daytime highs around 27°C and nights near 17°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Três de Maio in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (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 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 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
April 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).