Lucas weather in May

In May, Lucas sees average daytime highs of 31°C and overnight lows near 21°C, with 39 mm of rain across 5.3 wet days and about 11.2 hours of daylight. It is the 11th-warmest and 9th-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 48% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of May to 11 h 06 min by month's end. Set against the rest of the year, May is Lucas's 5th-clearest and 9th-windiest month. For the whole year in context, see Lucas's year-round climate.

Daytime high
31°
11th warmest
Overnight low
21°
4th coldest
Rainfall
39 mm
5.3 wet days
Daylight
11 h 12 min
7:03 AM – 6:17 PM
Cloud cover
48%
5th clearest
Wind
7 km/h
9th windiest
Solar energy
4.48 kWh/m²
Travel score
5.3
out of 10

Lucas is human 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 Lucas reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 34°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13222
23122
33122
43122
53122
63122
73122
83122
93122
103121
113121
123121
133121
143121
153121
163121
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273020
283020
293020
303020
313020

How May really feels in Lucas

Once humidity and wind are folded in, May averages 24 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
24
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.

Lucas weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°26224.212.92.7
Feb32° / 24°2112212.52.7
Mar32° / 24°18123.112.12.8
Apr32° / 23°8412.511.63.8
May31° / 21°395.311.25.3
Jun31° / 20°141.7115.9
Jul31° / 19°80.911.15.9
Aug33° / 20°111.711.54.3
Sep34° / 23°496.211.93.2
Oct34° / 24°11814.612.42.7
Nov33° / 24°17419.412.82.8
Dec32° / 24°22223.1132.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46238
56139
66040
75941
85842
95743
105743
115644
125644
135644
145644
155644
165743
175743
185743
195842
205842
215941
226040
236040
246139
256238
266337
276337
286535
296535
306733
316733

Chance of precipitation in May

Any precipitation

Lucas gets around 39 mm of rain over 5.3 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 17% and peaks near 20% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
120
219
319
419
519
619
719
819
919
1019
1120
1219
1319
1419
1519
1619
1719
1819
1918
2018
2117
2216
2316
2415
2514
2614
2713
2813
2912
3012
3111

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1147205810
215821569
325922548
425922557
525923556
6251024536
7251024545
8251125525
9251126524
10251127514
11251228494
12251229484
13251230474
14251331464
15251331453
16251332443
17251433433
18251434423
19251534413
20261535393
21261536383
22261636373
23261637363
24261638362
25271738352
26271738342
27271839332
28271839322
29271940312
30271941301
31272041281

Wind in May

Winds average 7 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
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 24 min at the start of May to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 6:58 AM to 7:08 AM, and sunset from 6:24 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:586:24
211.46:596:23
311.46:596:23
411.46:596:22
511.46:596:22
611.47:006:21
711.37:006:21
811.37:006:20
911.37:016:20
1011.37:016:19
1111.37:016:19
1211.37:016:19
1311.37:026:18
1411.37:026:18
1511.37:026:17
1611.27:036:17
1711.27:036:17
1811.27:036:17
1911.27:046:16
2011.27:046:16
2111.27:046:16
2211.27:056:16
2311.27:056:15
2411.27:056:15
2511.27:066:15
2611.17:066:15
2711.17:076:15
2811.17:076:15
2911.17:076:15
3011.17:086:14
3111.17:086:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.48 kWh/m².

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 5.97 kWh/m² in October across the year — May's 4.48 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Lucas

In seasonPeak

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

Lucas's monsoon runs October–March, 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 Lucas?

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

5.3
Sightseeing
3rd-best month of the year
7.6
Beach & pool
4th-best month of the year

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

What to pack for Lucas in May

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

In May, Lucas sees daytime highs around 31°C and nights near 21°C. Pack light clothes. About 5 days see rain.

light clothes

UV index in Lucas in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lucas peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 15Sep 15UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep6High
Oct10Extreme
Nov13Extreme
Dec14Extreme

Air quality in Lucas 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 Lucas is worst in September — around 107 µg/m³ PM2.5 (unhealthy), about 16.5× the cleanest month (June, 7 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecGoodUnhealthyModerateGoodSep 14101 µg/m³Jun 197 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar9Good
Apr8Good
May7Good
Jun7Good
Jul7Good
Aug68Unhealthy
Sep107Unhealthy
Oct30Moderate
Nov14Moderate
Dec11Good
Location & terrain

Where is Lucas?

Lucas sits at 16.3°S, 55.9°W, 134 m above sea level, in Brazil. The nearest listed city is Santo Antônio do Leverger, 54 km away.

Topography around Lucas

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

Within 3 km, the terrain around Lucas has only modest variations in elevation — a maximum elevation change of 22 m around an average of 130 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, large variations in elevation — a maximum elevation change of 795 m.

The land around Lucas is covered by wetland (40%) and trees (38%) within 3 km, wetland (50%) and trees (38%) within 16 km, and trees (53%) and grassland (26%) within 80 km.

3 km
22 m
16 km
211 m
80 km
795 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Santo Antônio do Leverger 54 km · Poconé 74 km · Várzea Grande 79 km · Cuiabá 84 km · Chapada dos Guimarães 99 km · Jaciara 111 km · Campo Verde 120 km · Rondonópolis 139 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 Lucas (-16.3333°, -55.9333°, elevation 134 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).