Icó weather in May

In May, Icó sees average daytime highs of 31°C and overnight lows near 23°C, with 70 mm of rain across 8.8 wet days and about 11.7 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 32% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Icó's 8th-clearest and 8th-windiest month. For the whole year in context, see Icó's year-round climate.

Daytime high
31°
10th warmest
Overnight low
23°
5th coldest
Rainfall
70 mm
8.8 wet days
Daylight
11 h 42 min
5:40 AM – 5:23 PM
Cloud cover
56%
8th clearest
Wind
10 km/h
8th windiest
Solar energy
5.16 kWh/m²
Travel score
4.4
out of 10

Icó 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 Icó reaches about 31°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°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
183223
193223
203223
213223
223223
233123
243123
253123
263123
273123
283122
293122
303122
313122

How May really feels in Icó

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.

Icó 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°12814.612.32.9
Feb32° / 23°14315.612.23.1
Mar32° / 23°18720.1123.2
Apr31° / 23°13416.311.93.6
May31° / 23°708.811.74.4
Jun31° / 22°243.611.65.0
Jul32° / 21°102.111.74.9
Aug33° / 22°30.511.84.3
Sep35° / 23°10.4123.4
Oct36° / 24°11112.12.9
Nov36° / 24°61.212.32.7
Dec35° / 24°304.612.42.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54951
65050
75149
85248
95347
105347
115446
125545
135545
145644
155743
165842
175941
185941
196139
206139
216238
226238
236238
246337
256337
266337
276436
286337
296337
306436
316337

Chance of precipitation in May

Any precipitation

Icó gets around 70 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 29% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
242
340
439
538
636
734
833
931
1030
1129
1228
1327
1427
1527
1627
1726
1826
1926
2026
2126
2225
2325
2425
2524
2624
2723
2822
2921
3020
3119

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1043660
2043759
3053857
4053956
5054055
6064153
7064252
8074349
9074448
10184546
11184645
12194743
13194842
141104941
151105040
161105039
171115038
181115137
191125235
201125334
211135333
221145332
231145431
241155529
251155628
261165627
271175725
281175824
292185822
302195821
312205919

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 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 5:39 AM to 5:43 AM, and sunset from 5:26 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:395:26
211.85:395:26
311.85:395:25
411.85:395:25
511.85:395:25
611.85:395:25
711.75:405:24
811.75:405:24
911.75:405:24
1011.75:405:24
1111.75:405:24
1211.75:405:24
1311.75:405:23
1411.75:405:23
1511.75:405:23
1611.75:405:23
1711.75:415:23
1811.75:415:23
1911.75:415:23
2011.75:415:23
2111.75:415:23
2211.75:415:23
2311.75:415:22
2411.75:425:22
2511.75:425:22
2611.75:425:22
2711.75:425:22
2811.75:425:22
2911.75:435:23
3011.75:435:23
3111.75:435:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.16 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 7.18 kWh/m² in October across the year — May's 5.16 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Icó

In seasonPeak

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

Icó's monsoon runs January–April, 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 Icó?

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

4.4
Sightseeing
3rd-best month of the year
6.7
Beach & pool
5th-best month of the year

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

What to pack for Icó in May

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

In May, Icó sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Icó 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 Icó peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Icó?

Icó sits at 6.4°S, 38.9°W, 156 m above sea level, in Brazil. The nearest listed city is Orós, 18 km away.

Topography around Icó

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

Within 3 km, the terrain around Icó has only modest variations in elevation — a maximum elevation change of 94 m around an average of 164 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 552 m; within 80 km, large variations in elevation — a maximum elevation change of 772 m.

The land around Icó is covered by grassland (39%), shrubs (23%) and cropland (22%) within 3 km, shrubs (60%) and grassland (26%) within 16 km, and shrubs (57%) and grassland (31%) within 80 km.

3 km
94 m
16 km
552 m
80 km
772 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Orós 18 km · Cedro 32 km · Lavras da Mangabeira 41 km · Quixelô 41 km · São Miguel 46 km · Iguatu 48 km · São João do Rio do Peixe 58 km · Pereiro 60 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 Icó (-6.4011°, -38.8622°, elevation 156 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).