Horizontina weather in May

In May, Horizontina sees average daytime highs of 23°C and overnight lows near 13°C, with 163 mm of rain across 9.4 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Horizontina's 7th-clearest and 7th-windiest month. For the whole year in context, see Horizontina's year-round climate.

Daytime high
23°
10th warmest
Overnight low
13°
4th coldest
Rainfall
163 mm
9.4 wet days
Daylight
10 h 36 min
8:14 AM – 6:53 PM
Cloud cover
55%
7th clearest
Wind
10 km/h
7th windiest
Solar energy
3.11 kWh/m²
Travel score
6.9
out of 10

Horizontina is human settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical May day in Horizontina reaches about 23°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22415
32415
42415
52414
62414
72414
82414
92314
102314
112314
122314
132314
142313
152313
162213
172213
182213
192213
202213
212213
222213
232213
242113
252112
262112
272112
282112
292112
302112
312112

How May really feels in Horizontina

Once humidity and wind are folded in, May 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

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

Horizontina weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 4th-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°1639.410.76.9
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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45347
55248
65248
75248
85149
95248
105149
115248
125248
135149
145248
155149
165149
175149
185149
195050
205050
215050
224951
234951
244951
254852
264951
274951
284852
294852
304852
314852

Chance of precipitation in May

Any precipitation

Horizontina gets around 163 mm of rain over 9.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
528
628
728
828
929
1029
1129
1229
1329
1430
1530
1630
1731
1831
1931
2032
2132
2232
2332
2431
2531
2631
2731
2831
2931
3031
3130

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1292627161
2302627151
3312627151
4322627141
5332627131
6342627121
7352727111
8362726110
9372726100
1037272690
1138282590
1239282580
1339282580
1440282570
1540282470
1641282470
1742282460
1842282360
1943282260
2045282250
2146282150
2247272150
2348272050
2449262040
2550262040
2651261940
2752251940
2852251940
2953251930
3054241930
3154241930

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 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
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 8:06 AM to 8:23 AM, and sunset from 7:03 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.08:067:03
210.98:067:02
310.98:077:02
410.98:077:01
510.98:087:00
610.88:086:59
710.88:096:59
810.88:106:58
910.88:106:57
1010.88:116:56
1110.78:116:56
1210.78:126:55
1310.78:136:54
1410.78:136:54
1510.78:146:53
1610.68:146:53
1710.68:156:52
1810.68:166:52
1910.68:166:51
2010.68:176:51
2110.58:176:50
2210.58:186:50
2310.58:186:49
2410.58:196:49
2510.58:196:48
2610.58:206:48
2710.58:216:48
2810.48:216:47
2910.48:226:47
3010.48:226:47
3110.48:236:47

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.11 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 — May's 3.11 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit Horizontina?

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

6.9
Sightseeing
3rd-best month of the year
5.1
Beach & pool
10th-best month of the year

May is a reasonable time to visit Horizontina for sightseeing.

What to pack for Horizontina in May

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

In May, Horizontina sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Horizontina in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Horizontina 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 Horizontina in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Horizontina 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 Horizontina?

Horizontina sits at 27.6°S, 54.3°W, 323 m above sea level, in Brazil. The nearest listed city is Três de Maio, 18 km away.

Topography around Horizontina

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

Within 3 km, the terrain around Horizontina has only modest variations in elevation — a maximum elevation change of 146 m around an average of 292 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 279 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.

The land around Horizontina is covered by cropland (37%) and trees (36%) within 3 km, cropland (62%) and trees (29%) within 16 km, and trees (49%) and cropland (41%) within 80 km.

3 km
146 m
16 km
279 m
80 km
507 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Três de Maio 18 km · Santa Rosa 32 km · El Soberbio 38 km · Santo Cristo 41 km · Três Passos 42 km · Giruá 45 km · Santo Ângelo 75 km · Itapiranga 78 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 Horizontina (-27.6258°, -54.3078°, elevation 323 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).