Tuntum weather in May

In May, Tuntum sees average daytime highs of 31°C and overnight lows near 23°C, with 86 mm of rain across 13 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 6th-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 22% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Tuntum's 7th-clearest and 7th-windiest month. For the whole year in context, see Tuntum's year-round climate.

Daytime high
31°
8th warmest
Overnight low
23°
6th coldest
Rainfall
86 mm
13 wet days
Daylight
11 h 48 min
6:02 AM – 5:48 PM
Cloud cover
63%
7th clearest
Wind
6 km/h
7th windiest
Solar energy
4.73 kWh/m²
Travel score
4.1
out of 10

Tuntum is 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 31°C through the month.

A typical May day in Tuntum reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313223

How May really feels in Tuntum

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.

Tuntum weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20525.712.32.8
Feb31° / 23°20724.112.22.8
Mar31° / 23°23427.6122.7
Apr31° / 23°18122.611.93.1
May31° / 23°861311.84.1
Jun32° / 23°132.911.74.8
Jul33° / 22°71.211.74.5
Aug34° / 23°30.511.83.8
Sep35° / 24°81.8123.0
Oct35° / 24°224.312.12.9
Nov34° / 24°6810.212.23.0
Dec33° / 24°1221712.33.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 26% of May, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33169
43268
53466
63466
73664
83763
93961
104060
114258
124357
134456
144555
154753
164852
174951
185149
195248
205446
215446
225644
235743
245842
255941
266139
276238
286436
296535
306634
316733

Chance of precipitation in May

Any precipitation

Tuntum gets around 86 mm of rain over 13 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 42% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
162
261
359
458
557
655
753
851
949
1047
1145
1244
1342
1441
1540
1640
1739
1838
1937
2036
2135
2235
2334
2433
2532
2631
2730
2829
2927
3026
3124

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
103763
203862
303961
404060
504159
604258
704357
804456
904555
1004555
1104654
1204753
1314851
1414950
1515050
1615049
1715247
1815346
1925345
2025444
2125543
2235542
2335740
2445739
2545937
2656035
2766034
2876132
2986329
3096427
31106525

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 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
16calm
26calm
36calm
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 48 min at the start of May to 11 h 42 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 6:01 AM to 6:04 AM, and sunset from 5:50 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:015:50
211.86:015:50
311.86:015:50
411.86:015:50
511.86:015:49
611.86:015:49
711.86:015:49
811.86:015:49
911.86:015:49
1011.86:015:48
1111.86:025:48
1211.86:025:48
1311.86:025:48
1411.86:025:48
1511.86:025:48
1611.86:025:48
1711.86:025:48
1811.86:025:48
1911.86:025:47
2011.76:025:47
2111.76:035:47
2211.76:035:47
2311.76:035:47
2411.76:035:47
2511.76:035:47
2611.76:035:47
2711.76:045:47
2811.76:045:47
2911.76:045:47
3011.76:045:48
3111.76:045:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.73 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.4 kWh/m² in September across the year — May's 4.73 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
315.0Bright
Planning a trip in May

Hazard calendar for Tuntum

In seasonPeak

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

Tuntum's monsoon runs December–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 Tuntum?

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

4.1
Sightseeing
3rd-best month of the year
6.1
Beach & pool
6th-best month of the year

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

What to pack for Tuntum in May

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

In May, Tuntum sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Tuntum 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 Tuntum peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tuntum 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 Tuntum is worst in October — around 36 µg/m³ PM2.5 (poor), about 5.1× the cleanest month (June, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1834 µg/m³Jun 197 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May9Good
Jun7Good
Jul8Good
Aug16Moderate
Sep22Moderate
Oct36Poor
Nov27Moderate
Dec18Moderate
Location & terrain

Where is Tuntum?

Tuntum sits at 5.3°S, 44.6°W, 109 m above sea level, in Brazil. The nearest listed city is Presidente Dutra, 18 km away.

Topography around Tuntum

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

Within 3 km, the terrain around Tuntum has only modest variations in elevation — a maximum elevation change of 93 m around an average of 109 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, significant variations in elevation — a maximum elevation change of 392 m.

The land around Tuntum is covered by grassland (61%) and trees (31%) within 3 km, grassland (57%) and trees (38%) within 16 km, and trees (57%) and grassland (41%) within 80 km.

3 km
93 m
16 km
163 m
80 km
392 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Presidente Dutra 18 km · Dom Pedro 34 km · São Domingos do Maranhão 46 km · Esperantinópolis 50 km · Poção de Pedras 65 km · Barra do Corda 71 km · Fortuna 76 km · Trizidela do Vale 76 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 Tuntum (-5.2581°, -44.6489°, elevation 109 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).