Jardim Helena weather in May

In May, Jardim Helena sees average daytime highs of 23°C and overnight lows near 14°C, with 64 mm of rain across 7.8 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 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels comfortable.

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 Jardim Helena's 4th-clearest and 7th-windiest month. For the whole year in context, see Jardim Helena's year-round climate.

Daytime high
23°
10th warmest
Overnight low
14°
4th coldest
Rainfall
64 mm
7.8 wet days
Daylight
10 h 54 min
7:36 AM – 6:28 PM
Cloud cover
58%
4th clearest
Wind
10 km/h
7th windiest
Solar energy
3.54 kWh/m²
Travel score
7.1
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 22°C by the end.

A typical May day in Jardim Helena reaches about 23°C in the afternoon and slips back to 14°C overnight — a 8°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 3°C cooler than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32415
42415
52415
62415
72415
82315
92315
102315
112315
122315
132315
142315
152315
162314
172314
182214
192214
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214
312214

Jardim Helena 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
Jan27° / 19°23223.813.34.3
Feb28° / 19°17920.212.84.5
Mar27° / 19°15420.112.25.0
Apr25° / 17°6410.711.56.6
May23° / 14°647.810.97.1
Jun22° / 13°475.610.67.5
Jul22° / 12°545.610.77.5
Aug23° / 13°405.211.27.8
Sep24° / 15°909.811.96.9
Oct25° / 16°11614.712.65.9
Nov25° / 17°15216.813.15.4
Dec27° / 18°18120.913.44.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35347
45347
55248
65248
75149
85050
94951
104951
114852
124852
134753
144654
154654
164555
174555
184654
194654
204654
214654
224753
234654
244654
254753
264852
274852
284753
294852
304852
315050

Chance of precipitation in May

Any precipitation

Jardim Helena gets around 64 mm of rain over 7.8 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 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
225
325
425
524
624
724
824
925
1025
1125
1225
1325
1426
1526
1626
1726
1826
1927
2027
2127
2227
2327
2426
2526
2626
2726
2826
2926
3026
3125

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 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11140437
21241426
31342415
41443394
51544383
61644373
71745353
81746343
91847332
101847322
111948312
122049302
132050292
142150281
152151271
162251261
172252251
182352241
192452231
202552221
212651221
222751211
232851201
242950201
253149201
263248191
273347191
283446191
293646181
303745181
313844181

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 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
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 7:29 AM to 7:43 AM, and sunset from 6:37 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:296:37
211.17:296:36
311.17:306:36
411.17:306:35
511.17:316:34
611.07:316:34
711.07:316:33
811.07:326:32
911.07:326:32
1011.07:336:31
1111.07:336:31
1210.97:346:30
1310.97:346:30
1410.97:356:29
1510.97:356:29
1610.97:366:28
1710.97:366:28
1810.87:376:27
1910.87:376:27
2010.87:386:26
2110.87:386:26
2210.87:396:26
2310.87:396:25
2410.87:406:25
2510.77:406:25
2610.77:416:24
2710.77:416:24
2810.77:426:24
2910.77:426:24
3010.77:426:23
3110.77:436:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.54 kWh/m².

For context, solar energy here swings from a low near 3.31 kWh/m² to a high of 5.64 kWh/m² in December across the year — May's 3.54 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.7Moderate
103.7Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in May

Hazard calendar for Jardim Helena

In seasonPeak

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

Jardim Helena'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 Jardim Helena?

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

7.1
Sightseeing
4th-best month of the year
5.4
Beach & pool
4th-best month of the year

May is one of the better times to visit Jardim Helena for general sightseeing.

What to pack for Jardim Helena in May

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

In May, Jardim Helena sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes. About 8 days see rain.

light clothes

Sea temperature near Jardim Helena in May

The nearest coast averages about 24°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 52 km away) is warmest in February at about 27°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Jardim Helena 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 Jardim Helena peaks around February 8 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 8UV 14Jul 14UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar10Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug7Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Jardim Helena 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 Jardim Helena is worst in June — around 71 µg/m³ PM2.5 (unhealthy), about 2.3× the cleanest month (December, 31 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJun 2370 µg/m³Dec 2031 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar41Poor
Apr48Poor
May62Unhealthy
Jun71Unhealthy
Jul70Unhealthy
Aug60Unhealthy
Sep53Poor
Oct39Poor
Nov32Moderate
Dec31Moderate
Location & terrain

Where is Jardim Helena?

Jardim Helena sits at 23.5°S, 46.4°W, 736 m above sea level, in Brazil. The nearest listed city is São Miguel, 2.0 km away.

Topography around Jardim Helena

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

Within 3 km, the terrain around Jardim Helena has only modest variations in elevation — a maximum elevation change of 107 m around an average of 750 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 458 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,045 m.

The land around Jardim Helena is covered by artificial surfaces (79%) within 3 km, artificial surfaces (55%) and trees (31%) within 16 km, and trees (54%) within 80 km.

3 km
107 m
16 km
458 m
80 km
2,045 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: São Miguel 2.0 km · Vila Curuca 3.0 km · Itaim Paulista 4.0 km · Vila Jacui 5.0 km · Lajeado 6.0 km · Itaquera 6.0 km · Ermelino Matarazzo 6.0 km · Itaquaquecetuba 7.0 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 Jardim Helena (-23.4837°, -46.4131°, elevation 736 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).