Marialva weather in May

In May, Marialva sees average daytime highs of 24°C and overnight lows near 15°C, with 101 mm of rain across 8.3 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 42% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Marialva's 6th-clearest and 7th-windiest month. For the whole year in context, see Marialva's year-round climate.

Daytime high
24°
10th warmest
Overnight low
15°
4th coldest
Rainfall
101 mm
8.3 wet days
Daylight
10 h 54 min
7:57 AM – 6:50 PM
Cloud cover
51%
6th clearest
Wind
9 km/h
7th windiest
Solar energy
3.7 kWh/m²
Travel score
7.3
out of 10

Marialva is 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 26°C in the first days to 23°C by the end.

A typical May day in Marialva reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, May runs about 3°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42516
52516
62515
72515
82515
92515
102515
112515
122415
132415
142415
152415
162415
172415
182415
192414
202414
212314
222314
232314
242314
252314
262314
272314
282314
292314
302314
312314

Marialva weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°24121.713.33.9
Feb29° / 20°19719.412.84.0
Mar29° / 20°13716.812.24.7
Apr27° / 18°869.211.56.5
May24° / 15°1018.310.97.3
Jun23° / 14°947.610.67.5
Jul23° / 13°686.310.77.8
Aug26° / 14°68611.27.8
Sep27° / 16°118911.96.8
Oct28° / 18°15613.912.65.4
Nov29° / 19°16014.213.14.9
Dec29° / 20°18818.713.44.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46040
55941
65941
75842
85842
95842
105743
115743
125644
135644
145644
155644
165545
175545
185545
195545
205545
215545
225545
235446
245446
255446
265446
275446
285446
295446
305446
315446

Chance of precipitation in May

Any precipitation

Marialva gets around 101 mm of rain over 8.3 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 27% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
123
223
322
422
522
622
723
823
923
1023
1123
1223
1324
1424
1525
1626
1726
1827
1928
2028
2129
2229
2330
2431
2531
2632
2732
2832
2932
3032
3132

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
115293916
216294015
317304013
418304012
519304011
620304010
72030409
82131408
92231408
102231397
112332387
122332387
132433376
142434366
152534356
162535346
172635336
182636326
192736316
202836306
212935296
223035296
233134286
243234286
253233286
263332286
273432286
283431287
293431297
303430297
313430297

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 h 06 min at the start of May to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 7:50 AM to 8:04 AM, and sunset from 6:59 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:506:59
211.17:516:58
311.17:516:57
411.17:526:56
511.17:526:56
611.07:526:55
711.07:536:54
811.07:536:54
911.07:546:53
1011.07:546:53
1111.07:556:52
1210.97:556:52
1310.97:566:51
1410.97:566:51
1510.97:576:50
1610.97:576:50
1710.97:586:49
1810.87:586:49
1910.87:596:48
2010.87:596:48
2110.88:006:47
2210.88:006:47
2310.88:016:47
2410.88:016:46
2510.78:026:46
2610.78:026:46
2710.78:036:46
2810.78:036:45
2910.78:036:45
3010.78:046:45
3110.78:046:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.7 kWh/m².

For context, solar energy here swings from a low near 3.33 kWh/m² to a high of 6.13 kWh/m² in November across the year — May's 3.7 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.1Bright
54.1Bright
64.1Bright
74.0Bright
84.0Moderate
94.0Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.7Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in May

Is May a good time to visit Marialva?

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

7.3
Sightseeing
4th-best month of the year
6.2
Beach & pool
7th-best month of the year

May is one of the better times to visit Marialva for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Marialva in May

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

In May, Marialva sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

UV index in Marialva in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Marialva peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 20UV 15Sep 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7High
Sep5Moderate
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Marialva 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 Marialva is worst in September — around 23 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1422 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr11Good
May13Moderate
Jun12Moderate
Jul14Moderate
Aug18Moderate
Sep23Moderate
Oct15Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Marialva?

Marialva sits at 23.5°S, 51.8°W, 730 m above sea level, in Brazil. The nearest listed city is Sarandi, 10 km away.

Topography around Marialva

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

Within 3 km, the terrain around Marialva has only modest variations in elevation — a maximum elevation change of 164 m around an average of 596 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 416 m; within 80 km, large variations in elevation — a maximum elevation change of 944 m.

The land around Marialva is covered by cropland (44%), trees (24%) and artificial surfaces (23%) within 3 km, cropland (48%) and trees (25%) within 16 km, and cropland (66%) within 80 km.

3 km
164 m
16 km
416 m
80 km
944 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Sarandi 10 km · Mandaguari 12 km · Maringá 16 km · Jandaia do Sul 20 km · Paiçandu 26 km · Astorga 31 km · Apucarana 35 km · Mandaguaçu 35 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 Marialva (-23.485°, -51.7917°, elevation 730 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).