Umuarama weather in May

In May, Umuarama sees average daytime highs of 25°C and overnight lows near 16°C, with 139 mm of rain across 8.8 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 41% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Umuarama's 6th-clearest and 7th-windiest month. For the whole year in context, see Umuarama's year-round climate.

Daytime high
25°
10th warmest
Overnight low
16°
4th coldest
Rainfall
139 mm
8.8 wet days
Daylight
10 h 54 min
8:04 AM – 6:55 PM
Cloud cover
52%
6th clearest
Wind
10 km/h
7th windiest
Solar energy
3.58 kWh/m²
Travel score
7.2
out of 10

Umuarama 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

Highs ease over the month, from about 26°C in the first days to 23°C by the end.

A typical May day in Umuarama reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, May runs about 4°C cooler than April and about 1°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52616
62616
72616
82516
92516
102516
112516
122516
132516
142516
152516
162415
172415
182415
192415
202415
212415
222415
232415
242415
252415
262415
272315
282315
292315
302315
312315

How May really feels in Umuarama

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Umuarama weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°18919.713.33.6
Feb30° / 21°17717.112.83.8
Mar30° / 21°12414.812.24.5
Apr28° / 19°1058.411.56.3
May25° / 16°1398.810.97.2
Jun24° / 15°1178.410.67.4
Jul24° / 14°876.710.77.8
Aug26° / 15°896.511.27.6
Sep28° / 17°134911.96.6
Oct29° / 19°18913.412.65.0
Nov30° / 20°16312.913.14.7
Dec30° / 21°19116.713.44.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35743
45644
55644
65644
75644
85545
95545
105545
115545
125446
135446
145446
155446
165446
175248
185248
195248
205248
215248
225248
235248
245248
255149
265149
275149
285149
295248
305248
315248

Chance of precipitation in May

Any precipitation

Umuarama gets around 139 mm of rain over 8.8 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 28% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
123
223
322
423
523
623
723
824
924
1024
1125
1225
1326
1426
1527
1627
1728
1829
1930
2030
2131
2231
2332
2433
2533
2633
2734
2834
2934
3033
3133

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1142539201
2152639191
3162639181
4172639161
5182739151
6192739140
7202739140
8212739130
9212739120
10222739120
11232739110
12242739110
13242738100
14252738100
15252737100
16262837100
17272836100
18272835100
19282933100
20292932100
21292931100
22303030100
23313029110
24313028110
25323027110
26333026110
27333026110
28333025110
29343025110
30343025110
31342925110

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 06 min at the start of May to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 7:57 AM to 8:11 AM, and sunset from 7:04 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:577:04
211.17:577:04
311.17:587:03
411.17:587:02
511.07:597:02
611.07:597:01
711.07:597:00
811.08:007:00
911.08:006:59
1011.08:016:58
1110.98:016:58
1210.98:026:57
1310.98:026:57
1410.98:036:56
1510.98:036:56
1610.98:046:55
1710.88:046:55
1810.88:056:54
1910.88:056:54
2010.88:066:53
2110.88:066:53
2210.88:076:53
2310.88:076:52
2410.78:086:52
2510.78:086:52
2610.78:096:51
2710.78:096:51
2810.78:106:51
2910.78:106:51
3010.78:116:51
3110.78:116:50

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.58 kWh/m².

For context, solar energy here swings from a low near 3.21 kWh/m² to a high of 6.28 kWh/m² in December across the year — May's 3.58 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in May

Is May a good time to visit Umuarama?

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

7.2
Sightseeing
4th-best month of the year
6.3
Beach & pool
7th-best month of the year

May is one of the better times to visit Umuarama for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Umuarama in May

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

In May, Umuarama sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Umuarama in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Umuarama peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeJan 19UV 15Sep 14UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep3Moderate
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Umuarama 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 Umuarama is worst in September — around 21 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1620 µg/m³Mar 146 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr7Good
May8Good
Jun8Good
Jul8Good
Aug11Good
Sep21Moderate
Oct12Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Umuarama?

Umuarama sits at 23.8°S, 53.3°W, 443 m above sea level, in Brazil. The nearest listed city is Cruzeiro do Oeste, 26 km away.

Topography around Umuarama

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

Within 3 km, the terrain around Umuarama has only modest variations in elevation — a maximum elevation change of 184 m around an average of 416 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 221 m; within 80 km, significant variations in elevation — a maximum elevation change of 435 m.

The land around Umuarama is covered by artificial surfaces (46%) and trees (26%) within 3 km, cropland (47%), grassland (27%) and trees (22%) within 16 km, and cropland (60%) and grassland (22%) within 80 km.

3 km
184 m
16 km
221 m
80 km
435 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Cruzeiro do Oeste 26 km · Tapejara 46 km · Iporã 47 km · Goioerê 55 km · Altônia 60 km · Cianorte 74 km · Assis Chateaubriand 75 km · Palotina 78 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 Umuarama (-23.7664°, -53.325°, elevation 443 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).