Colinas do Tocantins weather in May

In May, Colinas do Tocantins sees average daytime highs of 31°C and overnight lows near 22°C, with 79 mm of rain across 10.4 wet days and about 11.6 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Colinas do Tocantins's 5th-clearest and 5th-windiest month. For the whole year in context, see Colinas do Tocantins's year-round climate.

Daytime high
31°
6th warmest
Overnight low
22°
6th coldest
Rainfall
79 mm
10.4 wet days
Daylight
11 h 36 min
6:21 AM – 5:59 PM
Cloud cover
60%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
4.92 kWh/m²
Travel score
4.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in Colinas do Tocantins reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173222
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303222
313222

How May really feels in Colinas do Tocantins

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.

Colinas do Tocantins 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°28427.612.42.9
Feb30° / 22°26625.812.32.8
Mar30° / 22°27127.112.12.9
Apr31° / 22°18021.511.83.3
May31° / 22°7910.411.64.2
Jun32° / 22°40.911.54.8
Jul33° / 21°20.311.64.5
Aug34° / 21°30.511.73.7
Sep34° / 22°254.2123.4
Oct32° / 23°10514.612.23.4
Nov31° / 23°1972112.43.2
Dec30° / 22°2352512.53.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23664
33664
43763
53763
63862
74060
84159
94258
104456
114555
124654
134753
144951
154951
165149
175248
185248
195347
205446
215545
225545
235743
245743
255842
265941
276040
286238
296337
306436
316535

Chance of precipitation in May

Any precipitation

Colinas do Tocantins gets around 79 mm of rain over 10.4 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 33% and peaks near 54% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
252
351
449
548
646
744
842
941
1039
1137
1236
1334
1433
1532
1631
1730
1829
1929
2028
2127
2226
2325
2424
2523
2622
2721
2820
2918
3017
3116

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
109883
2010873
3010873
4011863
5012862
6012862
7013852
8014842
9015832
10017812
11018811
12019801
13020791
14021781
15022771
16023761
17024751
18026731
19127711
20129700
21230680
22231670
23333640
24435610
25536590
26638560
27739540
28841510
291042480
301144450
311345420

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
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 36 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 6:19 AM to 6:24 AM, and sunset from 6:03 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:196:03
211.76:206:02
311.76:206:02
411.76:206:02
511.76:206:01
611.76:206:01
711.76:206:01
811.76:206:01
911.76:206:00
1011.76:206:00
1111.76:206:00
1211.76:216:00
1311.66:216:00
1411.66:215:59
1511.66:215:59
1611.66:215:59
1711.66:215:59
1811.66:215:59
1911.66:225:59
2011.66:225:59
2111.66:225:59
2211.66:225:59
2311.66:225:58
2411.66:235:58
2511.66:235:58
2611.66:235:58
2711.66:235:58
2811.66:245:58
2911.66:245:58
3011.66:245:58
3111.66:245:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.92 kWh/m².

For context, solar energy here swings from a low near 4.77 kWh/m² to a high of 6.22 kWh/m² in September across the year — May's 4.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
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 Colinas do Tocantins

In seasonPeak

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

Colinas do Tocantins'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 Colinas do Tocantins?

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

4.2
Sightseeing
3rd-best month of the year
6.5
Beach & pool
5th-best month of the year

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

What to pack for Colinas do Tocantins in May

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

In May, Colinas do Tocantins sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Colinas do Tocantins in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colinas do Tocantins peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 10UV 15Jun 22UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov12Extreme
Dec11Extreme

Air quality in Colinas do Tocantins 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 Colinas do Tocantins is worst in September — around 47 µg/m³ PM2.5 (poor), about 7.0× the cleanest month (June, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1845 µg/m³Jun 237 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr11Good
May9Good
Jun7Good
Jul7Good
Aug21Moderate
Sep47Poor
Oct30Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Colinas do Tocantins?

Colinas do Tocantins sits at 8.1°S, 48.5°W, 230 m above sea level, in Brazil. The nearest listed city is Guaraí, 86 km away.

Topography around Colinas do Tocantins

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

Within 3 km, the terrain around Colinas do Tocantins has only modest variations in elevation — a maximum elevation change of 77 m around an average of 216 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 371 m; within 80 km, significant variations in elevation — a maximum elevation change of 569 m.

The land around Colinas do Tocantins is covered by grassland (51%), artificial surfaces (24%) and trees (22%) within 3 km, grassland (71%) and trees (25%) within 16 km, and grassland (64%) and trees (32%) within 80 km.

3 km
77 m
16 km
371 m
80 km
569 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Guaraí 86 km · Conceição do Araguaia 90 km · Araguaína 101 km · Carolina 138 km · Floresta do Araguaia 147 km · Santa Maria das Barreiras 163 km · Miracema do Tocantins 168 km · Redenção 171 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 Colinas do Tocantins (-8.0592°, -48.475°, elevation 230 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).