Jacarezinho weather in May

In May, Jacarezinho sees average daytime highs of 25°C and overnight lows near 15°C, with 73 mm of rain across 6.9 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 24°C by the end. The sky is clear or mostly clear about 42% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Jacarezinho's 6th-clearest and 7th-windiest month. For the whole year in context, see Jacarezinho's year-round climate.

Daytime high
25°
10th warmest
Overnight low
15°
4th coldest
Rainfall
73 mm
6.9 wet days
Daylight
10 h 54 min
7:49 AM – 6:43 PM
Cloud cover
52%
6th clearest
Wind
9 km/h
7th windiest
Solar energy
3.72 kWh/m²
Travel score
7.4
out of 10

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 24°C by the end.

A typical May day in Jacarezinho reaches about 25°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 21°C and 29°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°35°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32617
42616
52616
62616
72616
82616
92616
102616
112516
122516
132516
142516
152516
162515
172515
182515
192415
202415
212415
222415
232415
242415
252415
262415
272415
282415
292414
302414
312414

Jacarezinho 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
Jan30° / 21°22520.813.33.8
Feb30° / 21°16718.112.84.0
Mar29° / 20°11915.412.24.6
Apr28° / 18°637.411.56.4
May25° / 15°736.910.97.4
Jun24° / 14°645.910.67.9
Jul24° / 13°484.810.78.1
Aug26° / 14°464.811.27.8
Sep28° / 16°948.211.96.8
Oct29° / 18°11611.712.55.4
Nov29° / 19°1351313.14.9
Dec30° / 20°16717.713.44.2

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 11% of May, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45842
55842
65743
75644
85545
95545
105347
115248
125248
135149
145149
155149
165050
175050
185050
195149
205149
215149
225149
235248
245248
255248
265248
275248
285248
295347
305446
315446

Chance of precipitation in May

Any precipitation

Jacarezinho gets around 73 mm of rain over 6.9 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 22% and peaks near 27% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
119
219
318
418
518
618
718
819
919
1019
1119
1219
1320
1420
1521
1621
1722
1823
1923
2024
2124
2225
2325
2426
2526
2627
2727
2827
2927
3027
3127

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable 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 (%)
113304017
214314015
315314014
416314012
517324011
617324010
718334010
81833409
91834408
101935398
111935397
121936386
131937386
142038375
152039365
162040355
172041355
182041345
192141335
202141325
212241325
222340315
232439315
242538315
252638315
262737315
272836315
282935316
293034306
303034306
313133306

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 12 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 30 minutes over May. Sunrise moves from 7:42 AM to 7:56 AM, and sunset from 6:52 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:426:52
211.17:436:51
311.17:436:50
411.17:446:50
511.17:446:49
611.17:456:48
711.07:456:48
811.07:466:47
911.07:466:46
1011.07:476:46
1111.07:476:45
1211.07:486:45
1310.97:486:44
1410.97:496:44
1510.97:496:43
1610.97:496:43
1710.97:506:42
1810.97:506:42
1910.87:516:41
2010.87:516:41
2110.87:526:41
2210.87:526:40
2310.87:536:40
2410.87:536:40
2510.87:546:39
2610.77:546:39
2710.77:556:39
2810.77:556:39
2910.77:566:38
3010.77:566:38
3110.77:566:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.72 kWh/m².

For context, solar energy here swings from a low near 3.33 kWh/m² to a high of 5.95 kWh/m² in December across the year — May's 3.72 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
143.7Moderate
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

Hazard calendar for Jacarezinho

In seasonPeak

None of Jacarezinho's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Jacarezinho's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Jacarezinho?

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

7.4
Sightseeing
4th-best month of the year
6.7
Beach & pool
5th-best month of the year

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

What to pack for Jacarezinho in May

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

In May, Jacarezinho sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Jacarezinho 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 Jacarezinho peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 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 highHighVery highExtremeJan 22UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Jacarezinho 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 Jacarezinho is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1517 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May9Good
Jun9Good
Jul10Good
Aug13Moderate
Sep18Moderate
Oct12Good
Nov7Good
Dec7Good
Location & terrain

Where is Jacarezinho?

Jacarezinho sits at 23.2°S, 50.0°W, 448 m above sea level, in Brazil. The nearest listed city is Cambará, 17 km away.

Topography around Jacarezinho

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

Within 3 km, the terrain around Jacarezinho has only modest variations in elevation — a maximum elevation change of 198 m around an average of 494 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 521 m; within 80 km, large variations in elevation — a maximum elevation change of 787 m.

The land around Jacarezinho is covered by grassland (45%), trees (23%) and artificial surfaces (22%) within 3 km, cropland (37%), grassland (36%) and trees (25%) within 16 km, and cropland (50%), grassland (26%) and trees (20%) within 80 km.

3 km
198 m
16 km
521 m
80 km
787 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Cambará 17 km · Santo Antônio da Platina 19 km · Ourinhos 23 km · Andirá 29 km · Carlópolis 39 km · Bandeirantes 41 km · Santa Cruz do Rio Pardo 45 km · Palmital 49 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 Jacarezinho (-23.1606°, -49.9694°, elevation 448 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).