Jales weather in May

In May, Jales sees average daytime highs of 28°C and overnight lows near 18°C, with 43 mm of rain across 5.5 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 27°C by the end. The sky is clear or mostly clear about 52% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 18 min at the start of May to 10 h 54 min by month's end. Set against the rest of the year, May is Jales's 5th-clearest and 7th-windiest month. For the whole year in context, see Jales's year-round climate.

Daytime high
28°
11th warmest
Overnight low
18°
3rd coldest
Rainfall
43 mm
5.5 wet days
Daylight
11 hours
7:47 AM – 6:50 PM
Cloud cover
43%
5th clearest
Wind
9 km/h
7th windiest
Solar energy
4.34 kWh/m²
Travel score
7.0
out of 10

Jales 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 29°C in the first days to 27°C by the end.

A typical May day in Jales reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72918
82918
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202817
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

How May really feels in Jales

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.

Jales weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°24123.413.13.2
Feb31° / 22°18320.412.73.3
Mar30° / 22°16620.212.13.7
Apr30° / 20°649.111.55.2
May28° / 18°435.511.17.0
Jun28° / 17°202.510.87.7
Jul29° / 17°121.910.97.2
Aug31° / 18°172.211.35.8
Sep32° / 20°526.211.94.4
Oct32° / 22°10013.212.53.6
Nov31° / 22°15617.5133.5
Dec31° / 22°21022.113.23.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% 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 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37228
47228
57129
66931
76832
86634
96634
106436
116337
126337
136238
146238
156238
166139
176139
186139
196139
206238
216337
226337
236337
246436
256535
266535
276634
286634
296733
306733
316733

Chance of precipitation in May

Any precipitation

Jales gets around 43 mm of rain over 5.5 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 18% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
215
315
415
514
614
715
815
915
1015
1116
1216
1317
1417
1518
1619
1719
1820
1920
2021
2121
2221
2321
2420
2520
2620
2719
2819
2918
3017
3116

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
182237284
282438273
392538253
4102638242
5102639232
6112739222
7112739211
8122839201
9122839201
10132839191
11132839191
12142839191
13142839181
14152839180
15152838180
16162838180
17162738180
18172738180
19182737180
20182737180
21192637180
22192636180
23202636180
24202636180
25202636170
26202736170
27202736170
28202736160
29192837160
30192937150
31192937150

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 18 min at the start of May to 10 h 54 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 7:41 AM to 7:53 AM, and sunset from 6:57 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:416:57
211.37:426:57
311.27:426:56
411.27:426:56
511.27:436:55
611.27:436:54
711.27:446:54
811.27:446:53
911.17:446:53
1011.17:456:52
1111.17:456:52
1211.17:466:51
1311.17:466:51
1411.17:466:50
1511.17:476:50
1611.07:476:50
1711.07:486:49
1811.07:486:49
1911.07:486:49
2011.07:496:48
2111.07:496:48
2211.07:506:48
2311.07:506:47
2410.97:516:47
2510.97:516:47
2610.97:516:47
2710.97:526:46
2810.97:526:46
2910.97:536:46
3010.97:536:46
3110.97:536:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.34 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 6.16 kWh/m² in October across the year — May's 4.34 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.0Bright
294.0Bright
304.0Bright
314.0Bright
Planning a trip in May

Hazard calendar for Jales

In seasonPeak

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

Jales's monsoon runs November–March, when most of the year's rain falls.

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

Is May a good time to visit Jales?

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

7.0
Sightseeing
3rd-best month of the year
7.8
Beach & pool
4th-best month of the year

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

What to pack for Jales in May

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

In May, Jales sees daytime highs around 28°C and nights near 18°C. Pack light clothes. About 6 days see rain.

light clothes

UV index in Jales in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jales peaks around January 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 23UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Jales 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 Jales is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (November, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1721 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr8Good
May8Good
Jun7Good
Jul7Good
Aug11Good
Sep22Moderate
Oct13Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Jales?

Jales sits at 20.3°S, 50.5°W, 507 m above sea level, in Brazil. The nearest listed city is Fernandópolis, 31 km away.

Topography around Jales

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

Within 3 km, the terrain around Jales has only modest variations in elevation — a maximum elevation change of 132 m around an average of 475 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 196 m; within 80 km, only modest variations in elevation — a maximum elevation change of 243 m.

The land around Jales is covered by artificial surfaces (37%) and grassland (30%) within 3 km, cropland (42%) and grassland (39%) within 16 km, and cropland (44%) and grassland (35%) within 80 km.

3 km
132 m
16 km
196 m
80 km
243 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Fernandópolis 31 km · Santa Fé do Sul 40 km · Aparecida do Taboado 61 km · Votuporanga 62 km · Iturama 70 km · Pereira Barreto 72 km · Ilha Solteira 85 km · Paranaíba 94 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 Jales (-20.2689°, -50.5458°, elevation 507 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).