Tietê weather in May

In May, Tietê sees average daytime highs of 26°C and overnight lows near 15°C, with 55 mm of rain across 6.3 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 27°C in the first days to 25°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 Tietê's 6th-clearest and 7th-windiest month. For the whole year in context, see Tietê's year-round climate.

Daytime high
26°
10th warmest
Overnight low
15°
4th coldest
Rainfall
55 mm
6.3 wet days
Daylight
10 h 54 min
7:40 AM – 6:34 PM
Cloud cover
51%
6th clearest
Wind
9 km/h
7th windiest
Solar energy
3.83 kWh/m²
Travel score
7.4
out of 10

Tietê 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 27°C in the first days to 25°C by the end.

A typical May day in Tietê reaches about 26°C in the afternoon and slips back to 15°C overnight — a 10°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°20°30°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72616
82616
92616
102616
112615
122615
132615
142615
152615
162515
172515
182515
192515
202515
212515
222515
232515
242515
252514
262514
272514
282514
292514
302514
312514

How May really feels in Tietê

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.

Tietê 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°24622.413.33.6
Feb30° / 21°16918.312.83.8
Mar30° / 20°12816.712.24.5
Apr28° / 18°537.311.56.3
May26° / 15°556.310.97.4
Jun25° / 14°424.910.68.0
Jul25° / 13°344.210.78.1
Aug27° / 14°344.211.27.7
Sep28° / 16°687.911.96.2
Oct29° / 18°10312.212.55.0
Nov29° / 19°14014.713.14.6
Dec30° / 20°18719.513.43.9

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 13% of May, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36436
46238
56139
66040
75941
85842
95743
105644
115545
125446
135446
145347
155248
165248
175248
185248
195347
205248
215248
225347
235347
245347
255446
265446
275446
285446
295446
305446
315545

Chance of precipitation in May

Any precipitation

Tietê gets around 55 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 21% and peaks near 23% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
117
217
317
416
516
617
717
818
918
1019
1119
1220
1320
1421
1521
1622
1722
1823
1923
2023
2123
2223
2323
2423
2523
2623
2723
2823
2923
3023
3123

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
113344013
214353911
315363910
41637389
51737378
61838368
71939367
81939357
92040346
102041336
112141335
122142325
132142325
142243314
152244304
162244304
172245294
182245294
192345284
202345284
212444284
222544284
232543284
242642284
252741284
262841284
272840284
282939294
293038294
303037293
313137293

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 7:33 AM to 7:47 AM, and sunset from 6:43 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:336:43
211.17:346:42
311.17:346:41
411.17:356:41
511.17:356:40
611.17:366:39
711.07:366:39
811.07:376:38
911.07:376:38
1011.07:386:37
1111.07:386:36
1211.07:386:36
1310.97:396:35
1410.97:396:35
1510.97:406:34
1610.97:406:34
1710.97:416:33
1810.97:416:33
1910.87:426:33
2010.87:426:32
2110.87:436:32
2210.87:436:31
2310.87:446:31
2410.87:446:31
2510.87:456:31
2610.87:456:30
2710.77:466:30
2810.77:466:30
2910.77:466:30
3010.77:476:29
3110.77:476:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.83 kWh/m².

For context, solar energy here swings from a low near 3.54 kWh/m² to a high of 6.02 kWh/m² in November across the year — May's 3.83 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.2Bright
54.2Bright
64.2Bright
74.1Bright
84.1Bright
94.0Bright
104.0Bright
114.0Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Tietê

In seasonPeak

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

Tietê's rainy season runs November–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 Tietê?

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
7.0
Beach & pool
6th-best month of the year

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

What to pack for Tietê in May

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

In May, Tietê sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Tietê 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 Tietê peaks around January 21 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 21UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Tietê 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 Tietê is worst in September — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodSep 922 µg/m³Nov 2312 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar13Moderate
Apr14Moderate
May17Moderate
Jun20Moderate
Jul21Moderate
Aug22Moderate
Sep22Moderate
Oct17Moderate
Nov12Good
Dec12Good
Location & terrain

Where is Tietê?

Tietê sits at 23.1°S, 47.7°W, 513 m above sea level, in Brazil. The nearest listed city is Cerquilho, 8.0 km away.

Topography around Tietê

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

Within 3 km, the terrain around Tietê has only modest variations in elevation — a maximum elevation change of 100 m around an average of 503 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 187 m; within 80 km, large variations in elevation — a maximum elevation change of 845 m.

The land around Tietê is covered by grassland (31%), trees (26%) and artificial surfaces (25%) within 3 km, cropland (44%), grassland (31%) and trees (20%) within 16 km, and trees (35%), cropland (30%) and grassland (27%) within 80 km.

3 km
100 m
16 km
187 m
80 km
845 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Cerquilho 8.0 km · Laranjal Paulista 14 km · Boituva 21 km · Porto Feliz 23 km · Capivari 24 km · Iperó 28 km · Cesário Lange 28 km · Rio das Pedras 31 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 Tietê (-23.1019°, -47.7147°, elevation 513 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).