Palmas weather in May

In May, Palmas sees average daytime highs of 32°C and overnight lows near 22°C, with 55 mm of rain across 7.1 wet days and about 11.5 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 30 min by month's end. Set against the rest of the year, May is Palmas's 5th-clearest and 5th-windiest month. For the whole year in context, see Palmas's year-round climate.

Daytime high
32°
6th warmest
Overnight low
22°
4th coldest
Rainfall
55 mm
7.1 wet days
Daylight
11 h 30 min
6:23 AM – 5:56 PM
Cloud cover
57%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
5.01 kWh/m²
Travel score
4.3
out of 10

Palmas 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

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in Palmas reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23222
33222
43222
53222
63222
73222
83222
93222
103222
113222
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303221
313221

How May really feels in Palmas

Once humidity and wind are folded in, May averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Palmas weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°35427.212.52.9
Feb30° / 22°3162512.32.9
Mar30° / 22°31326.712.12.9
Apr31° / 22°19218.811.83.5
May32° / 22°557.111.54.3
Jun32° / 21°30.411.44.9
Jul33° / 20°10.111.54.7
Aug34° / 21°10.311.73.7
Sep35° / 23°253.511.93.0
Oct33° / 23°12915.612.23.0
Nov31° / 23°24821.712.53.1
Dec30° / 22°29624.912.63.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44357
54456
64456
74555
84654
94654
104654
114852
124852
135050
145050
155149
165248
175347
185446
195545
205644
215743
225842
235941
246040
256139
266238
276337
286436
296634
306634
316832

Chance of precipitation in May

Any precipitation

Palmas gets around 55 mm of rain over 7.1 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 23% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
239
338
436
535
633
732
831
929
1028
1127
1226
1325
1424
1523
1622
1721
1820
1919
2019
2118
2218
2317
2416
2515
2614
2713
2812
2912
3011
3110

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the muggy band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1013465
2013663
3013762
4023959
5024157
6024256
7034453
8034552
9044750
10044848
11055046
12055144
13065242
14075340
15085339
16095437
170105436
180115435
190125434
200135532
210155431
220175330
230195328
240215227
250235225
260255223
270275122
281295020
291324919
301344817
311364716

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:21 AM to 6:27 AM, and sunset from 6:00 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:216:00
211.66:216:00
311.66:215:59
411.66:215:59
511.66:225:58
611.66:225:58
711.66:225:58
811.66:225:58
911.66:225:57
1011.66:225:57
1111.66:235:57
1211.66:235:56
1311.66:235:56
1411.56:235:56
1511.56:235:56
1611.56:235:56
1711.56:245:55
1811.56:245:55
1911.56:245:55
2011.56:245:55
2111.56:255:55
2211.56:255:55
2311.56:255:55
2411.56:255:55
2511.56:265:54
2611.56:265:54
2711.56:265:54
2811.56:265:54
2911.56:275:54
3011.56:275:54
3111.56:275:54

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.01 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.25 kWh/m² in September across the year — May's 5.01 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Palmas

In seasonPeak

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

Palmas's monsoon runs November–April, 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 Palmas?

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

4.3
Sightseeing
3rd-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Palmas in May

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

In May, Palmas sees daytime highs around 32°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Palmas in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Palmas peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jun 22UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct10Extreme
Nov12Extreme
Dec12Extreme

Air quality in Palmas 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 Palmas is worst in September — around 42 µg/m³ PM2.5 (poor), about 5.6× the cleanest month (May, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 2342 µg/m³May 138 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar10Good
Apr9Good
May8Good
Jun10Good
Jul10Good
Aug21Moderate
Sep42Poor
Oct41Poor
Nov14Moderate
Dec10Good
Location & terrain

Where is Palmas?

Palmas sits at 10.2°S, 48.3°W, 271 m above sea level, in Brazil. The nearest listed city is Paraíso do Tocantins, 59 km away.

Topography around Palmas

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

Within 3 km, the terrain around Palmas has only modest variations in elevation — a maximum elevation change of 94 m around an average of 257 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 497 m; within 80 km, significant variations in elevation — a maximum elevation change of 572 m.

The land around Palmas is covered by artificial surfaces (47%), grassland (30%) and trees (20%) within 3 km, trees (34%), grassland (31%) and water (24%) within 16 km, and trees (42%) and grassland (41%) within 80 km.

3 km
94 m
16 km
497 m
80 km
572 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Paraíso do Tocantins 59 km · Porto Nacional 61 km · Miracema do Tocantins 67 km · Guaraí 150 km · Lagoa da Confusão 158 km · Gurupi 192 km · Santa Maria das Barreiras 209 km · Formoso do Araguaia 224 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 Palmas (-10.1675°, -48.3277°, elevation 271 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).