Otacílio Costa weather in May

In May, Otacílio Costa sees average daytime highs of 19°C and overnight lows near 10°C, with 129 mm of rain across 10.6 wet days and about 10.7 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 18°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Otacílio Costa's 3rd-clearest and 6th-windiest month. For the whole year in context, see Otacílio Costa's year-round climate.

Daytime high
19°
9th warmest
Overnight low
10°
4th coldest
Rainfall
129 mm
10.6 wet days
Daylight
10 h 36 min
7:57 AM – 6:36 PM
Cloud cover
64%
3rd clearest
Wind
7 km/h
6th windiest
Solar energy
2.89 kWh/m²
Travel score
5.9
out of 10

Otacílio Costa 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 20°C in the first days to 18°C by the end.

A typical May day in Otacílio Costa reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12112
22112
32011
42011
52011
62011
72011
82011
92011
102011
111911
121911
131910
141910
151910
161910
171910
181910
191910
201810
211810
221810
23189
24189
25189
26189
27189
28189
29189
30189
31189

Otacílio Costa weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 17°22921.713.54.8
Feb26° / 17°20119.6134.8
Mar25° / 16°14417.812.25.5
Apr22° / 14°10411.511.46.3
May19° / 10°12910.610.75.9
Jun17° / 12910.610.35.5
Jul17° / 12010.610.45.4
Aug19° / 11210116.1
Sep20° / 11°17813.911.85.6
Oct22° / 13°20017.712.75.2
Nov24° / 14°1601713.45.6
Dec26° / 16°19118.413.75.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64060
74060
84060
93961
103961
113961
123961
133961
143862
153862
163862
173862
183862
193862
203961
213961
223961
234060
244060
254060
264258
274258
284357
294456
304456
314456

Chance of precipitation in May

Any precipitation

Otacílio Costa gets around 129 mm of rain over 10.6 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
232
332
432
532
633
733
833
934
1034
1134
1235
1335
1435
1535
1636
1736
1836
1936
2035
2135
2235
2335
2434
2534
2634
2734
2834
2933
3033
3133

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14335211
24435201
34635181
44834171
54934161
65034151
75134141
85334130
95434120
105534110
115634100
12573490
13573490
14583480
15583480
16593380
17603370
18613270
19623170
20633070
21633070
22652960
23662860
24672760
25682750
26692650
27702550
28712540
29722440
30722440
31722440

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 7 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
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:49 AM to 8:06 AM, and sunset from 6:47 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:496:47
210.97:496:46
310.97:506:45
410.97:506:44
510.97:516:44
610.97:526:43
710.87:526:42
810.87:536:41
910.87:536:41
1010.87:546:40
1110.77:546:39
1210.77:556:39
1310.77:566:38
1410.77:566:37
1510.77:576:37
1610.67:576:36
1710.67:586:36
1810.67:596:35
1910.67:596:35
2010.68:006:34
2110.68:006:34
2210.58:016:33
2310.58:016:33
2410.58:026:32
2510.58:026:32
2610.58:036:32
2710.58:046:31
2810.48:046:31
2910.48:056:31
3010.48:056:30
3110.48:066:30

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.89 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 5.74 kWh/m² in December across the year — May's 2.89 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.2Moderate
53.2Moderate
63.2Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit Otacílio Costa?

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

5.9
Sightseeing
3rd-best month of the year
2.6
Beach & pool
9th-best month of the year

May is a reasonable time to visit Otacílio Costa for sightseeing.

What to pack for Otacílio Costa in May

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

In May, Otacílio Costa sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Otacílio Costa in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Otacílio Costa peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jun 22UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in Otacílio Costa 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 Otacílio Costa is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2016 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar6Good
Apr7Good
May6Good
Jun6Good
Jul9Good
Aug16Moderate
Sep14Moderate
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Otacílio Costa?

Otacílio Costa sits at 27.5°S, 50.1°W, 877 m above sea level, in Brazil. The nearest listed city is Correia Pinto, 26 km away.

Topography around Otacílio Costa

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

Within 3 km, the terrain around Otacílio Costa has only modest variations in elevation — a maximum elevation change of 73 m around an average of 852 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 640 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,635 m.

The land around Otacílio Costa is covered by trees (68%) within 3 km, trees (72%) within 16 km, and trees (65%) and grassland (24%) within 80 km.

3 km
73 m
16 km
640 m
80 km
1,635 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Correia Pinto 26 km · Pouso Redondo 31 km · Lages 42 km · Taió 43 km · Curitibanos 51 km · Ituporanga 52 km · Rio do Sul 56 km · Santa Cecília 65 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 Otacílio Costa (-27.4831°, -50.1219°, elevation 877 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).