São Simão weather in May

In May, São Simão sees average daytime highs of 29°C and overnight lows near 19°C, with 28 mm of rain across 4.4 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 29°C through the month. 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 11 hours by month's end. Set against the rest of the year, May is São Simão's 5th-clearest and 6th-windiest month. For the whole year in context, see São Simão's year-round climate.

Daytime high
29°
11th warmest
Overnight low
19°
3rd coldest
Rainfall
28 mm
4.4 wet days
Daylight
11 h 06 min
7:45 AM – 6:52 PM
Cloud cover
43%
5th clearest
Wind
8 km/h
6th windiest
Solar energy
4.5 kWh/m²
Travel score
6.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in São Simão reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°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)
13020
23020
33020
43019
53019
62919
72919
82919
92919
102919
112919
122919
132919
142919
152919
162919
172918
182918
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818
312818

How May really feels in São Simão

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.

São Simão 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
Jan31° / 23°26723.8133.2
Feb31° / 23°20721.412.63.2
Mar31° / 22°19421.312.13.5
Apr30° / 21°721011.64.9
May29° / 19°284.411.16.5
Jun29° / 18°141.610.97.1
Jul29° / 17°80.9117.0
Aug31° / 19°101.711.45.6
Sep33° / 21°456.111.94.1
Oct33° / 22°11513.912.43.3
Nov31° / 22°18519.612.93.3
Dec31° / 23°24124.113.13.1

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 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27327
37228
47228
57129
66931
76832
86634
96535
106337
116337
126238
136139
146139
156139
166139
176139
186139
196139
206238
216337
226436
236535
246634
256634
266733
276832
286832
296931
307030
317030

Chance of precipitation in May

Any precipitation

São Simão gets around 28 mm of rain over 4.4 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 14% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
215
315
415
514
614
714
814
914
1014
1115
1215
1315
1415
1515
1615
1715
1815
1916
2016
2116
2215
2315
2415
2514
2614
2714
2813
2913
3012
3111

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
141237417
241338396
351340375
451441354
551542344
661643323
761644313
861744293
971845283
1071945273
1171945263
1282045262
1382144252
1482144242
1592243242
1692243232
17102342232
18102441232
19112440232
20112539232
21122539222
22122638222
23122638221
24122738211
25132739211
26132739211
27122739201
28122840201
29122840191
30122940191
31122940180

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 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
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
308calm
318calm

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 7:40 AM to 7:51 AM, and sunset from 6:59 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:406:59
211.37:406:58
311.37:406:58
411.37:416:57
511.37:416:57
611.27:426:56
711.27:426:56
811.27:426:55
911.27:436:55
1011.27:436:54
1111.27:436:54
1211.27:446:53
1311.17:446:53
1411.17:446:52
1511.17:456:52
1611.17:456:52
1711.17:466:51
1811.17:466:51
1911.17:466:51
2011.17:476:50
2111.07:476:50
2211.07:486:50
2311.07:486:49
2411.07:486:49
2511.07:496:49
2611.07:496:49
2711.07:506:49
2811.07:506:48
2911.07:506:48
3011.07:516:48
3111.07:516:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.5 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 6.27 kWh/m² in October across the year — May's 4.5 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for São Simão

In seasonPeak

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

São Simão'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 São Simão?

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

6.5
Sightseeing
3rd-best month of the year
8.1
Beach & pool
4th-best month of the year

May is a reasonable time to visit São Simão for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Simão in May

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

In May, São Simão sees daytime highs around 29°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in São Simão 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 São Simão peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 24UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep11Extreme
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São Simão 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 São Simão is worst in September — around 34 µg/m³ PM2.5 (moderate), about 6.1× the cleanest month (November, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1632 µg/m³Nov 226 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr6Good
May6Good
Jun6Good
Jul7Good
Aug14Moderate
Sep34Moderate
Oct13Moderate
Nov6Good
Dec6Good
Location & terrain

Where is São Simão?

São Simão sits at 19.0°S, 50.5°W, 471 m above sea level, in Brazil. The nearest listed city is Santa Vitória, 48 km away.

Topography around São Simão

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

Within 3 km, the terrain around São Simão has only modest variations in elevation — a maximum elevation change of 106 m around an average of 449 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 208 m; within 80 km, significant variations in elevation — a maximum elevation change of 517 m.

The land around São Simão is covered by grassland (45%) and cropland (20%) within 3 km, cropland (40%) and grassland (35%) within 16 km, and cropland (50%) and grassland (30%) within 80 km.

3 km
106 m
16 km
208 m
80 km
517 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Santa Vitória 48 km · Quirinópolis 61 km · Iturama 90 km · Paranaíba 102 km · Ituiutaba 114 km · Bom Jesus de Goiás 121 km · Cassilândia 126 km · Campina Verde 126 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 São Simão (-18.9911°, -50.5436°, elevation 471 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).