Cantagalo weather in May

In May, Cantagalo sees average daytime highs of 25°C and overnight lows near 16°C, with 44 mm of rain across 7.8 wet days and about 11 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 48 min by month's end. Set against the rest of the year, May is Cantagalo's 4th-clearest and 9th-windiest month. For the whole year in context, see Cantagalo's year-round climate.

Daytime high
25°
9th warmest
Overnight low
16°
4th coldest
Rainfall
44 mm
7.8 wet days
Daylight
11 hours
7:17 AM – 6:14 PM
Cloud cover
55%
4th clearest
Wind
5 km/h
9th windiest
Solar energy
3.69 kWh/m²
Travel score
7.3
out of 10

Cantagalo is settlement in Rio de Janeiro, Brazil.

Air quality
Good
PM10 23 µg/m³ · 2015

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 24°C by the end.

A typical May day in Cantagalo 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 22°C and 28°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32616
42616
52616
62516
72516
82516
92516
102516
112516
122516
132516
142516
152516
162516
172415
182415
192415
202415
212415
222415
232415
242415
252415
262415
272415
282415
292415
302415
312415

Cantagalo 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
Jan29° / 20°19217.113.24.6
Feb29° / 20°10113.212.84.8
Mar28° / 20°12716.312.25.0
Apr27° / 18°6611.511.56.3
May25° / 16°447.8117.3
Jun24° / 14°204.410.78.1
Jul24° / 14°204.510.88.1
Aug24° / 14°234.711.28.0
Sep25° / 16°588.911.96.9
Oct26° / 18°10212.912.56.0
Nov26° / 19°18418.213.15.0
Dec28° / 20°21420.513.34.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45743
55743
65743
75545
85545
95446
105347
115149
125050
135050
144951
154951
165050
175050
185050
195248
205248
215347
225347
235545
245644
255743
265842
275941
285941
296040
306040
316238

Chance of precipitation in May

Any precipitation

Cantagalo gets around 44 mm of rain over 7.8 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 26% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
324
424
524
624
724
824
925
1025
1126
1227
1328
1428
1529
1629
1730
1830
1930
2029
2129
2228
2328
2427
2526
2625
2724
2823
2922
3021
3120

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12184535
22194633
32204731
43224729
53234727
63244726
74254725
84264624
94274623
104274622
115284621
125294620
135294620
145304619
155314618
166314617
176324616
186324616
196334615
206334714
216344713
227344712
237354711
247364611
258364610
26837469
27937459
28937459
291037458
301037458
311137458

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 min at the start of May to 10 h 48 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 7:11 AM to 7:24 AM, and sunset from 6:23 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:116:23
211.27:116:22
311.27:116:21
411.17:126:21
511.17:126:20
611.17:136:19
711.17:136:19
811.17:146:18
911.17:146:18
1011.07:146:17
1111.07:156:17
1211.07:156:16
1311.07:166:16
1411.07:166:15
1511.07:176:15
1611.07:176:14
1710.97:186:14
1810.97:186:13
1910.97:196:13
2010.97:196:13
2110.97:196:12
2210.97:206:12
2310.97:206:12
2410.87:216:11
2510.87:216:11
2610.87:226:11
2710.87:226:11
2810.87:236:10
2910.87:236:10
3010.87:236:10
3110.87:246:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.69 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 5.99 kWh/m² in February across the year — May's 3.69 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.0Bright
34.0Bright
44.0Bright
54.0Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Cantagalo

In seasonPeak

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

Cantagalo'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 Cantagalo?

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

7.3
Sightseeing
4th-best month of the year
6.4
Beach & pool
4th-best month of the year

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

What to pack for Cantagalo in May

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

In May, Cantagalo sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes. About 8 days see rain.

light clothes

UV index in Cantagalo 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 Cantagalo peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Cantagalo?

Cantagalo sits at 22.0°S, 42.4°W, 431 m above sea level, in Brazil. The nearest listed city is Cordeiro, 5.0 km away.

Topography around Cantagalo

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

Within 3 km, the terrain around Cantagalo has significant variations in elevation — a maximum elevation change of 480 m around an average of 500 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 930 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,215 m.

The land around Cantagalo is covered by trees (56%) and grassland (39%) within 3 km, trees (51%) and grassland (48%) within 16 km, and grassland (52%) and trees (45%) within 80 km.

3 km
480 m
16 km
930 m
80 km
2,215 m
treesgrasslandartificial surfaceswaterwetland
May weather nearby: Cordeiro 5.0 km · Bom Jardim 20 km · Carmo 25 km · Sumidouro 33 km · Além Paraíba 36 km · Nova Friburgo 37 km · Itaocara 46 km · Conceição de Macabu 53 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 Cantagalo (-21.9811°, -42.3681°, elevation 431 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).