Matões weather in May

In May, Matões sees average daytime highs of 31°C and overnight lows near 23°C, with 88 mm of rain across 12.1 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 27% 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 Matões's 7th-clearest and 7th-windiest month. For the whole year in context, see Matões's year-round climate.

Daytime high
31°
8th warmest
Overnight low
23°
6th coldest
Rainfall
88 mm
12.1 wet days
Daylight
11 h 42 min
5:57 AM – 5:42 PM
Cloud cover
60%
7th clearest
Wind
6 km/h
7th windiest
Solar energy
4.84 kWh/m²
Travel score
4.1
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 Matões 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 29°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
243223
253223
263223
273223
283223
293223
303223
313223

How May really feels in Matões

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.

Matões 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°23924.512.32.9
Feb31° / 23°25423.712.22.8
Mar31° / 23°29127.1122.8
Apr31° / 23°21023.211.93.1
May31° / 23°8812.111.84.1
Jun32° / 23°9211.74.7
Jul33° / 23°60.811.74.6
Aug34° / 23°20.311.83.9
Sep36° / 24°40.9122.9
Oct36° / 24°243.412.12.6
Nov34° / 24°658.812.32.9
Dec33° / 24°11814.912.33.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23664
33664
43862
53961
64060
74258
84357
94456
104555
114852
124852
134951
145149
155149
165347
175446
185545
195545
205644
215743
225842
235941
246040
256139
266238
276436
286436
296535
306634
316733

Chance of precipitation in May

Any precipitation

Matões gets around 88 mm of rain over 12.1 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 39% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
160
258
356
455
553
651
749
847
945
1044
1142
1241
1340
1439
1538
1637
1736
1835
1935
2034
2134
2233
2332
2431
2530
2629
2727
2826
2924
3023
3121

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1016435
2016534
3016633
4026533
5026632
6026731
7036730
8036829
9036928
10046927
11047125
12057124
13057223
14067222
15067321
16077320
17087319
18097318
190107218
200117217
210127216
220137215
230157114
241167013
251186912
261206811
271226710
28124678
29227647
30229636
31232606

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
247calm
257calm
267calm
277calm
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 5:56 AM to 5:59 AM, and sunset from 5:44 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:565:44
211.85:565:44
311.85:565:44
411.85:565:44
511.85:565:43
611.85:565:43
711.85:565:43
811.85:565:43
911.85:565:42
1011.85:565:42
1111.85:565:42
1211.85:565:42
1311.85:565:42
1411.85:565:42
1511.85:565:42
1611.75:575:42
1711.75:575:41
1811.75:575:41
1911.75:575:41
2011.75:575:41
2111.75:575:41
2211.75:575:41
2311.75:585:41
2411.75:585:41
2511.75:585:41
2611.75:585:41
2711.75:585:41
2811.75:585:41
2911.75:595:41
3011.75:595:41
3111.75:595:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.84 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.49 kWh/m² in September across the year — May's 4.84 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Matões

In seasonPeak

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

Matões's monsoon runs January–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 Matões?

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
6.3
Beach & pool
5th-best month of the year

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

What to pack for Matões in May

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

In May, Matões sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Matões 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 Matões peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 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 12UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Matões 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 Matões is worst in October — around 83 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (May, 12 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateModeratePoorUnhealthyModerateOct 1578 µg/m³May 1112 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar13Moderate
Apr12Moderate
May12Good
Jun16Moderate
Jul18Moderate
Aug32Moderate
Sep53Poor
Oct83Unhealthy
Nov39Poor
Dec26Moderate
Location & terrain

Where is Matões?

Matões sits at 5.5°S, 43.2°W, 175 m above sea level, in Brazil. The nearest listed city is Parnarama, 22 km away.

Topography around Matões

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

Within 3 km, the terrain around Matões has only modest variations in elevation — a maximum elevation change of 141 m around an average of 201 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 319 m; within 80 km, significant variations in elevation — a maximum elevation change of 396 m.

The land around Matões is covered by trees (54%) and shrubs (28%) within 3 km, trees (74%) within 16 km, and trees (72%) within 80 km.

3 km
141 m
16 km
319 m
80 km
396 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Parnarama 22 km · Demerval Lobão 61 km · Timon 62 km · Teresina 65 km · Água Branca 75 km · Caxias 75 km · Buriti Bravo 79 km · São João do Soter 81 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 Matões (-5.5189°, -43.1989°, elevation 175 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).