Mata Roma weather in May

In May, Mata Roma sees average daytime highs of 31°C and overnight lows near 23°C, with 173 mm of rain across 18.5 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 5th-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 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Mata Roma's 8th-clearest and 11th-windiest month. For the whole year in context, see Mata Roma's year-round climate.

Daytime high
31°
10th warmest
Overnight low
23°
5th coldest
Rainfall
173 mm
18.5 wet days
Daylight
11 h 48 min
5:54 AM – 5:44 PM
Cloud cover
65%
8th clearest
Wind
7 km/h
11th windiest
Solar energy
4.8 kWh/m²
Travel score
3.5
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 Mata Roma 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 on par with 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
313123

How May really feels in Mata Roma

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.

Mata Roma weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°1752012.22.8
Feb31° / 24°22922.612.12.8
Mar31° / 23°28227.5122.6
Apr31° / 23°28025.211.92.8
May31° / 23°17318.511.83.5
Jun31° / 23°408.511.84.5
Jul32° / 23°203.811.84.5
Aug34° / 24°40.911.93.8
Sep36° / 24°20.6122.9
Oct36° / 25°111.312.12.4
Nov36° / 25°223.112.22.4
Dec35° / 25°558.212.22.6

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 20% of May, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22773
32773
42872
52872
63070
73070
83367
93466
103565
113664
123763
133862
143961
154159
164258
174357
184456
194555
204753
214951
224951
235149
245347
255347
265446
275644
285743
295941
306040
316139

Chance of precipitation in May

Any precipitation

Mata Roma gets around 173 mm of rain over 18.5 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 60% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
176
275
374
473
571
670
769
868
966
1065
1164
1263
1362
1461
1561
1660
1759
1858
1958
2056
2155
2254
2353
2452
2551
2650
2748
2847
2946
3045
3143

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
106733
206733
306733
406733
506733
606832
706832
806832
906832
1006832
1106733
1206733
1306832
1406832
1506931
1606931
1707030
1807129
1907228
2007327
2107426
2207525
2307723
2407822
2517821
2618019
2718118
2818217
2918415
3018514
3118613

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 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 5:53 AM to 5:56 AM, and sunset from 5:46 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:535:46
211.95:535:46
311.95:535:45
411.95:535:45
511.95:535:45
611.95:535:45
711.95:535:45
811.95:535:45
911.95:535:44
1011.95:535:44
1111.85:535:44
1211.85:535:44
1311.85:535:44
1411.85:535:44
1511.85:545:44
1611.85:545:44
1711.85:545:44
1811.85:545:44
1911.85:545:44
2011.85:545:44
2111.85:545:44
2211.85:545:44
2311.85:545:44
2411.85:545:44
2511.85:555:44
2611.85:555:44
2711.85:555:44
2811.85:555:44
2911.85:555:44
3011.85:555:44
3111.85:565:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.8 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.61 kWh/m² in October across the year — May's 4.8 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Mata Roma

In seasonPeak

In May, Mata Roma sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Mata Roma's monsoon runs January–May, 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 Mata Roma?

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

3.5
Sightseeing
4th-best month of the year
5.3
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Mata Roma.

What to pack for Mata Roma in May

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

In May, Mata Roma sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Mata Roma 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 Mata Roma peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Mata Roma 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 Mata Roma is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1920 µg/m³Jun 119 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar14Moderate
Apr12Moderate
May9Good
Jun9Good
Jul12Moderate
Aug10Good
Sep10Good
Oct15Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Mata Roma?

Mata Roma sits at 3.6°S, 43.1°W, 77 m above sea level, in Brazil. The nearest listed city is Chapadinha, 31 km away.

Topography around Mata Roma

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

Within 3 km, the terrain around Mata Roma has only modest variations in elevation — a maximum elevation change of 36 m around an average of 85 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 68 m; within 80 km, only modest variations in elevation — a maximum elevation change of 138 m.

The land around Mata Roma is covered by trees (61%) within 3 km, trees (60%) within 16 km, and trees (74%) within 80 km.

3 km
36 m
16 km
68 m
80 km
138 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Chapadinha 31 km · Brejo 41 km · Buriti 41 km · São Benedito do Rio Preto 57 km · Urbano Santos 57 km · Santa Quitéria do Maranhão 63 km · Miguel Alves 65 km · Coelho Neto 71 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 Mata Roma (-3.625°, -43.1111°, elevation 77 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).