Chapadão do Sul weather in May

In May, Chapadão do Sul sees average daytime highs of 27°C and overnight lows near 17°C, with 46 mm of rain across 6.3 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 47% 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 11 hours by month's end. Set against the rest of the year, May is Chapadão do Sul's 5th-clearest and 5th-windiest month. For the whole year in context, see Chapadão do Sul's year-round climate.

Daytime high
27°
11th warmest
Overnight low
17°
3rd coldest
Rainfall
46 mm
6.3 wet days
Daylight
11 h 06 min
6:53 AM – 6:00 PM
Cloud cover
47%
5th clearest
Wind
8 km/h
5th windiest
Solar energy
4.45 kWh/m²
Travel score
7.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Chapadão do Sul reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12818
22818
32818
42818
52818
62817
72817
82817
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232716
242716
252716
262716
272716
282716
292716
302716
312716

Chapadão do Sul 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
Jan29° / 21°28525.8133.4
Feb29° / 21°25022.812.63.4
Mar29° / 20°2352412.13.7
Apr29° / 19°9712.711.65.3
May27° / 17°466.311.17.2
Jun27° / 16°152.310.98.0
Jul27° / 16°101.6118.1
Aug30° / 17°232.911.46.5
Sep31° / 19°859.511.94.8
Oct30° / 20°16019.612.43.7
Nov29° / 20°23022.912.93.6
Dec29° / 21°27626.313.13.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% 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 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46733
56733
66535
76535
86436
96238
106238
116040
126040
135941
146040
155941
165941
175941
186040
196040
206238
216238
226337
236436
246535
256535
266634
276733
286733
296832
306832
316832

Chance of precipitation in May

Any precipitation

Chapadão do Sul gets around 46 mm of rain over 6.3 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 20% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
319
418
518
618
719
819
919
1020
1120
1220
1321
1421
1522
1622
1723
1823
1924
2024
2123
2223
2322
2422
2521
2620
2720
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 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
172837261
282937241
393038230
4103138210
5103238200
6113238190
7113338180
8123338170
9123338160
10123438160
11133438150
12133438150
13133438150
14143338140
15143338140
16153338140
17153338140
18163238130
19163239130
20173239130
21183139120
22183139120
23193139110
24193139110
25193139100
2620323990
2720323990
2820333980
2920333980
3020343970
3120353860

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 18 min at the start of May to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 6:48 AM to 6:59 AM, and sunset from 6:07 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:486:07
211.36:486:07
311.36:496:06
411.36:496:06
511.36:496:05
611.36:506:05
711.26:506:04
811.26:506:04
911.26:516:03
1011.26:516:03
1111.26:516:02
1211.26:526:02
1311.26:526:01
1411.16:526:01
1511.16:536:01
1611.16:536:00
1711.16:546:00
1811.16:546:00
1911.16:545:59
2011.16:555:59
2111.16:555:59
2211.06:565:58
2311.06:565:58
2411.06:565:58
2511.06:575:58
2611.06:575:57
2711.06:575:57
2811.06:585:57
2911.06:585:57
3011.06:595:57
3111.06:595:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.45 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 5.91 kWh/m² in October across the year — May's 4.45 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Chapadão do Sul

In seasonPeak

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

Chapadão do Sul's monsoon runs October–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 Chapadão do Sul?

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

7.2
Sightseeing
3rd-best month of the year
7.4
Beach & pool
4th-best month of the year

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

What to pack for Chapadão do Sul in May

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

In May, Chapadão do Sul sees daytime highs around 27°C and nights near 17°C. Pack light clothes. About 6 days see rain.

light clothes

UV index in Chapadão do Sul in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chapadão do Sul peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 22UV 15Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep8Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Chapadão do Sul 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 Chapadão do Sul is worst in September — around 16 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (June, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1816 µg/m³Jun 184 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr5Good
May5Good
Jun4Good
Jul5Good
Aug9Good
Sep16Moderate
Oct12Good
Nov5Good
Dec6Good
Location & terrain

Where is Chapadão do Sul?

Chapadão do Sul sits at 18.8°S, 52.6°W, 812 m above sea level, in Brazil. The nearest listed city is Costa Rica, 60 km away.

Topography around Chapadão do Sul

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

Within 3 km, the terrain around Chapadão do Sul has only modest variations in elevation — a maximum elevation change of 45 m around an average of 808 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 240 m; within 80 km, significant variations in elevation — a maximum elevation change of 517 m.

The land around Chapadão do Sul is covered by cropland (65%) and artificial surfaces (23%) within 3 km, cropland (76%) within 16 km, and cropland (49%) and grassland (28%) within 80 km.

3 km
45 m
16 km
240 m
80 km
517 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Costa Rica 60 km · Cassilândia 100 km · Mineiros 136 km · Jataí 139 km · Alto Araguaia 176 km · Paranaíba 180 km · Água Clara 186 km · Rio Verde 210 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 Chapadão do Sul (-18.7942°, -52.6228°, elevation 812 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).