Itajubá weather in May

In May, Itajubá sees average daytime highs of 21°C and overnight lows near 12°C, with 57 mm of rain across 7.6 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Itajubá's 5th-clearest and 7th-windiest month. For the whole year in context, see Itajubá's year-round climate.

Daytime high
21°
10th warmest
Overnight low
12°
4th coldest
Rainfall
57 mm
7.6 wet days
Daylight
10 h 54 min
7:30 AM – 6:26 PM
Cloud cover
55%
5th clearest
Wind
6 km/h
7th windiest
Solar energy
3.8 kWh/m²
Travel score
6.8
out of 10

Itajubá 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 22°C in the first days to 20°C by the end.

A typical May day in Itajubá reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82213
92113
102112
112112
122112
132112
142112
152112
162112
172112
182112
192112
202012
212012
222012
232012
242012
252011
262011
272011
282011
292011
302011
312011

Itajubá weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°36225.913.24.2
Feb25° / 17°23921.812.84.5
Mar24° / 16°20622.212.25.0
Apr23° / 15°8312.311.56.5
May21° / 12°577.610.96.8
Jun20° / 11°34510.77.3
Jul20° / 10°354.210.87.5
Aug22° / 11°334.711.27.8
Sep23° / 13°9410.411.96.8
Oct24° / 15°15417.512.55.7
Nov24° / 16°22521.513.14.9
Dec24° / 17°30625.313.34.4

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 20% of May, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45743
55644
65545
75545
85446
95347
105248
115050
125050
134951
144852
154753
164753
174753
184753
194852
204852
214951
225050
235050
245050
255248
265248
275347
285347
295446
305446
315545

Chance of precipitation in May

Any precipitation

Itajubá gets around 57 mm of rain over 7.6 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
324
424
523
623
723
823
923
1024
1124
1224
1325
1425
1525
1626
1726
1827
1927
2027
2127
2227
2327
2427
2527
2627
2726
2826
2926
3025
3124

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1404514
2424513
3444411
4464410
548439
649438
751427
852426
953416
1054415
1154415
1255405
1356404
1456404
1558393
1658393
1758393
1859383
1960382
2061372
2161372
2262362
2363352
2463352
2564342
2665332
2765332
2867321
2968311
3068311
3169301

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 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 30 minutes over May. Sunrise moves from 7:24 AM to 7:37 AM, and sunset from 6:35 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:246:35
211.27:246:34
311.17:246:33
411.17:256:32
511.17:256:32
611.17:266:31
711.17:266:31
811.17:276:30
911.07:276:29
1011.07:276:29
1111.07:286:28
1211.07:286:28
1311.07:296:27
1411.07:296:27
1510.97:306:26
1610.97:306:26
1710.97:316:25
1810.97:316:25
1910.97:326:25
2010.97:326:24
2110.97:336:24
2210.87:336:24
2310.87:336:23
2410.87:346:23
2510.87:346:23
2610.87:356:22
2710.87:356:22
2810.87:366:22
2910.87:366:22
3010.77:376:22
3110.77:376:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.8 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 5.54 kWh/m² in February across the year — May's 3.8 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.1Bright
54.1Bright
64.1Bright
74.0Bright
84.0Bright
94.0Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in May

Hazard calendar for Itajubá

In seasonPeak

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

Itajubá's monsoon runs November–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 Itajubá?

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

6.8
Sightseeing
4th-best month of the year
4.1
Beach & pool
6th-best month of the year

May is a reasonable time to visit Itajubá for sightseeing.

What to pack for Itajubá in May

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

In May, Itajubá sees daytime highs around 21°C and nights near 12°C. Little to plan around — just the basics. About 8 days see rain.

UV index in Itajubá 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 Itajubá peaks around February 9 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 highExtremeFeb 9UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in Itajubá 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 Itajubá is worst in September — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1418 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr13Moderate
May14Moderate
Jun15Moderate
Jul14Moderate
Aug16Moderate
Sep18Moderate
Oct14Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Itajubá?

Itajubá sits at 22.4°S, 45.5°W, 858 m above sea level, in Brazil. The nearest listed city is Santa Rita do Sapucaí, 32 km away.

Topography around Itajubá

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

Within 3 km, the terrain around Itajubá has significant variations in elevation — a maximum elevation change of 415 m around an average of 893 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,075 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,299 m.

The land around Itajubá is covered by grassland (40%), artificial surfaces (30%) and trees (27%) within 3 km, grassland (57%) and trees (37%) within 16 km, and grassland (47%) and trees (43%) within 80 km.

3 km
415 m
16 km
1,075 m
80 km
2,299 m
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Santa Rita do Sapucaí 32 km · Paraisópolis 37 km · Campos do Jordão 38 km · Lorena 48 km · Passa Quatro 50 km · Potim 51 km · Guaratinguetá 51 km · Lambari 51 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 Itajubá (-22.4256°, -45.4528°, elevation 858 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).