Paço do Lumiar weather in May

In May, Paço do Lumiar sees average daytime highs of 29°C and overnight lows near 25°C, with 292 mm of rain across 26.5 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 19% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Paço do Lumiar's 8th-clearest and 11th-windiest month. For the whole year in context, see Paço do Lumiar's year-round climate.

Daytime high
29°
8th warmest
Overnight low
25°
7th coldest
Rainfall
292 mm
26.5 wet days
Daylight
11 h 54 min
5:56 AM – 5:49 PM
Cloud cover
68%
8th clearest
Wind
13 km/h
11th windiest
Solar energy
4.91 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 29°C through the month.

A typical May day in Paço do Lumiar reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, May runs on par with April and on par with June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How May really feels in Paço do Lumiar

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.

Paço do Lumiar weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°22925.412.13.6
Feb28° / 25°31725.912.13.3
Mar28° / 25°45230.2123.2
Apr28° / 25°43728.711.93.1
May29° / 25°29226.511.93.5
Jun29° / 25°14621.811.94.1
Jul29° / 25°9418.411.94.7
Aug30° / 26°257.511.95.9
Sep30° / 26°112.8126.4
Oct29° / 26°153.712.16.3
Nov29° / 26°286.312.15.8
Dec29° / 26°7515.112.14.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22377
32476
42575
52674
62773
73070
83169
93169
103367
113466
123565
133664
143763
153862
163961
174060
184258
194258
204258
214456
224555
234555
244654
254852
264951
275149
285149
295347
305446
315545

Chance of precipitation in May

Any precipitation

Paço do Lumiar gets around 292 mm of rain over 26.5 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 86% and peaks near 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
392
492
591
691
790
889
989
1088
1188
1287
1387
1487
1586
1686
1785
1885
1984
2084
2184
2283
2383
2482
2581
2681
2780
2879
2979
3078
3178

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14951
24852
34753
44654
54555
64456
74357
84258
94159
104060
114060
124060
133961
144060
154060
164159
174159
184258
194357
204456
214555
224654
234753
244951
255050
265248
275446
285545
295644
305842
315941

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 5:56 AM to 5:58 AM, and sunset from 5:51 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:565:51
211.95:565:51
311.95:565:51
411.95:565:50
511.95:565:50
611.95:565:50
711.95:565:50
811.95:565:50
911.95:565:50
1011.95:565:50
1111.95:565:50
1211.95:565:49
1311.95:565:49
1411.95:565:49
1511.95:565:49
1611.95:565:49
1711.95:565:49
1811.95:565:49
1911.95:565:49
2011.95:565:49
2111.95:575:49
2211.95:575:49
2311.95:575:49
2411.95:575:49
2511.95:575:49
2611.95:575:49
2711.95:575:49
2811.95:575:50
2911.95:585:50
3011.95:585:50
3111.95:585:50

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.91 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 6.5 kWh/m² in October across the year — May's 4.91 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
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 Paço do Lumiar

In seasonPeak

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

Paço do Lumiar'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 Paço do Lumiar?

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

3.5
Sightseeing
9th-best month of the year
4.4
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Paço do Lumiar.

What to pack for Paço do Lumiar in May

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

In May, Paço do Lumiar sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Paço do Lumiar in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in May at about 29°C and coldest in October near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Warm
Oct27Warm
Nov28Warm
Dec28Warm

UV index in Paço do Lumiar in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Paço do Lumiar peaks around March 17 at about 16 (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 17UV 16Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Paço do Lumiar 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 Paço do Lumiar is worst in February — around 18 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (July, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 2018 µg/m³Jul 157 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb18Moderate
Mar18Moderate
Apr13Moderate
May8Good
Jun7Good
Jul7Good
Aug8Good
Sep9Good
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Paço do Lumiar?

Paço do Lumiar sits at 2.5°S, 44.1°W, 16 m above sea level, in Brazil. The nearest listed city is São José de Ribamar, 6.0 km away.

Topography around Paço do Lumiar

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

Within 3 km, the terrain around Paço do Lumiar has only modest variations in elevation — a maximum elevation change of 57 m around an average of 29 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 113 m.

The land around Paço do Lumiar is covered by trees (58%) and grassland (26%) within 3 km, water (44%) and trees (24%) within 16 km, and water (41%) and trees (32%) within 80 km.

3 km
57 m
16 km
65 m
80 km
113 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: São José de Ribamar 6.0 km · Raposa 12 km · São Luís 22 km · Icatu 27 km · Alcântara 37 km · Morros 38 km · Rosário 48 km · Bacabeira 54 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 Paço do Lumiar (-2.5322°, -44.1075°, elevation 16 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).