Salto do Lontra weather in May

In May, Salto do Lontra sees average daytime highs of 23°C and overnight lows near 13°C, with 153 mm of rain across 9.5 wet days and about 10.8 hours of daylight. It is the 10th-warmest and 6th-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 41% 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 30 min by month's end. Set against the rest of the year, May is Salto do Lontra's 7th-clearest and 7th-windiest month. For the whole year in context, see Salto do Lontra's year-round climate.

Daytime high
23°
10th warmest
Overnight low
13°
4th coldest
Rainfall
153 mm
9.5 wet days
Daylight
10 h 42 min
8:07 AM – 6:52 PM
Cloud cover
54%
7th clearest
Wind
9 km/h
7th windiest
Solar energy
3.34 kWh/m²
Travel score
7.0
out of 10

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 Salto do Lontra 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 18°C and 27°C. Set against its neighbours, May runs about 4°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22415
32415
42414
52414
62414
72414
82414
92314
102314
112314
122314
132314
142313
152313
162313
172213
182213
192213
202213
212213
222213
232213
242213
252213
262212
272212
282112
292112
302112
312112

Salto do Lontra weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°15616.813.44.3
Feb29° / 20°15015.612.94.5
Mar29° / 19°12012.912.25.3
Apr26° / 17°1249.711.46.7
May23° / 13°1539.510.87.0
Jun22° / 12°1499.210.46.7
Jul22° / 11°1178.710.67.0
Aug24° / 13°1007.111.17.7
Sep26° / 15°16210.211.86.9
Oct27° / 17°21214.412.65.9
Nov28° / 18°15912.313.35.7
Dec29° / 19°18216.313.64.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45248
55248
65248
75248
85149
95149
105050
115050
125050
135050
145050
155050
165050
174951
184951
194951
204951
214852
225050
235050
244951
255050
265050
275050
285050
295149
305248
315248

Chance of precipitation in May

Any precipitation

Salto do Lontra gets around 153 mm of rain over 9.5 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 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
426
526
626
726
826
927
1027
1127
1228
1328
1429
1529
1630
1731
1832
1932
2033
2133
2234
2334
2434
2534
2634
2734
2834
2934
3033
3133

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
122283515
223283514
324273513
426273512
527273511
628263510
73026359
83126358
93226358
103226347
113326347
123427336
133427326
143527326
153528315
163628305
173729295
183729285
193830275
203930265
214030255
224130245
234130235
244230235
254329225
264429225
274529225
284628215
294627215
304727215
314726225

Wind in May

Winds average 9 km/h in May.

Across May, 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 May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 7:59 AM to 8:15 AM, and sunset from 7:02 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:597:02
211.08:007:01
311.08:007:00
411.08:016:59
511.08:016:59
610.98:026:58
710.98:026:57
810.98:036:57
910.98:036:56
1010.98:046:55
1110.88:046:55
1210.88:056:54
1310.88:066:53
1410.88:066:53
1510.88:076:52
1610.78:076:52
1710.78:086:51
1810.78:086:51
1910.78:096:50
2010.78:096:50
2110.78:106:49
2210.68:106:49
2310.68:116:49
2410.68:116:48
2510.68:126:48
2610.68:126:48
2710.68:136:47
2810.68:136:47
2910.58:146:47
3010.58:146:47
3110.58:156:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.34 kWh/m².

For context, solar energy here swings from a low near 2.89 kWh/m² to a high of 6.35 kWh/m² in December across the year — May's 3.34 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in May

Is May a good time to visit Salto do Lontra?

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

7.0
Sightseeing
2nd-best month of the year
5.2
Beach & pool
10th-best month of the year

May is one of the better times to visit Salto do Lontra for general sightseeing.

What to pack for Salto do Lontra in May

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

In May, Salto do Lontra sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Salto do Lontra in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Salto do Lontra peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 21UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep7Very high
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Salto do Lontra 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 Salto do Lontra is worst in September — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Mar 136 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr8Good
May7Good
Jun7Good
Jul9Good
Aug12Moderate
Sep20Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Salto do Lontra?

Salto do Lontra sits at 25.8°S, 53.3°W, 456 m above sea level, in Brazil. The nearest listed city is Ampére, 22 km away.

Topography around Salto do Lontra

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

Within 3 km, the terrain around Salto do Lontra has only modest variations in elevation — a maximum elevation change of 200 m around an average of 490 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 425 m; within 80 km, large variations in elevation — a maximum elevation change of 763 m.

The land around Salto do Lontra is covered by trees (45%) and cropland (31%) within 3 km, trees (40%), cropland (40%) and grassland (20%) within 16 km, and trees (48%) and cropland (34%) within 80 km.

3 km
200 m
16 km
425 m
80 km
763 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ampére 22 km · Realeza 22 km · Dois Vizinhos 26 km · Francisco Beltrão 42 km · Marmeleiro 49 km · Capanema 52 km · Santo Antônio do Sudoeste 53 km · Quedas do Iguaçu 55 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 Salto do Lontra (-25.7839°, -53.3086°, elevation 456 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).