Porto Ferreira weather in May

In May, Porto Ferreira sees average daytime highs of 26°C and overnight lows near 15°C, with 55 mm of rain across 6.1 wet days and about 11 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 47% of the time in May, and the air most often feels comfortable.

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 Porto Ferreira's 5th-clearest and 8th-windiest month. For the whole year in context, see Porto Ferreira's year-round climate.

Daytime high
26°
10th warmest
Overnight low
15°
4th coldest
Rainfall
55 mm
6.1 wet days
Daylight
11 hours
7:37 AM – 6:35 PM
Cloud cover
46%
5th clearest
Wind
8 km/h
8th windiest
Solar energy
4.14 kWh/m²
Travel score
7.5
out of 10

Porto Ferreira 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 27°C in the first days to 25°C by the end.

A typical May day in Porto Ferreira reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, May runs about 3°C cooler than April and on par with June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82616
92616
102616
112616
122615
132615
142615
152615
162615
172615
182515
192515
202515
212515
222515
232515
242515
252515
262514
272514
282514
292514
302514
312514

Porto Ferreira 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
Jan29° / 20°25923.113.23.7
Feb29° / 20°17718.812.83.9
Mar29° / 20°15418.112.24.5
Apr28° / 18°648.611.56.2
May26° / 15°556.1117.5
Jun25° / 14°333.410.78.2
Jul26° / 13°242.910.88.3
Aug28° / 15°243.411.27.7
Sep29° / 17°697.811.95.9
Oct30° / 19°11613.612.54.7
Nov29° / 19°17817.3134.4
Dec29° / 20°22022.113.33.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
46832
56832
66634
76535
86436
96238
106139
116139
125941
135941
146040
155941
165941
175941
186040
196040
206040
216238
226238
236436
246436
256436
266634
276634
286634
296634
306733
316733

Chance of precipitation in May

Any precipitation

Porto Ferreira gets around 55 mm of rain over 6.1 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 20% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
317
417
517
617
717
817
917
1018
1118
1218
1319
1419
1520
1620
1721
1822
1922
2022
2123
2223
2323
2423
2523
2622
2722
2821
2921
3020
3120

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
114403511
215413410
31742339
41842338
51942327
62042326
72042325
82142325
92242324
102242324
112342314
122441314
132441313
142540313
152640313
162739313
172739313
182838312
192938312
202937312
213037312
223037312
233137302
243137302
253237302
263237292
273337292
283338281
293338281
303338271
313339271

Wind in May

Winds average 8 km/h in May.

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

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 7:31 AM to 7:44 AM, and sunset from 6:43 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:316:43
211.27:316:43
311.27:326:42
411.27:326:41
511.17:336:41
611.17:336:40
711.17:336:39
811.17:346:39
911.17:346:38
1011.17:356:38
1111.07:356:37
1211.07:366:37
1311.07:366:36
1411.07:376:36
1511.07:376:35
1611.07:376:35
1710.97:386:34
1810.97:386:34
1910.97:396:34
2010.97:396:33
2110.97:406:33
2210.97:406:33
2310.97:416:32
2410.97:416:32
2510.87:416:32
2610.87:426:32
2710.87:426:31
2810.87:436:31
2910.87:436:31
3010.87:446:31
3110.87:446:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.14 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.95 kWh/m² in October across the year — May's 4.14 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.1Bright
174.0Bright
184.0Bright
194.0Moderate
204.0Moderate
214.0Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in May

Hazard calendar for Porto Ferreira

In seasonPeak

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

Porto Ferreira'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 Porto Ferreira?

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

7.5
Sightseeing
4th-best month of the year
7.1
Beach & pool
6th-best month of the year

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

What to pack for Porto Ferreira in May

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

In May, Porto Ferreira sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Porto Ferreira 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 Porto Ferreira peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 20UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Porto Ferreira 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 Porto Ferreira is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1430 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug23Moderate
Sep32Moderate
Oct16Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Porto Ferreira?

Porto Ferreira sits at 21.9°S, 47.5°W, 564 m above sea level, in Brazil. The nearest listed city is Descalvado, 15 km away.

Topography around Porto Ferreira

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

Within 3 km, the terrain around Porto Ferreira has only modest variations in elevation — a maximum elevation change of 82 m around an average of 565 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 316 m; within 80 km, large variations in elevation — a maximum elevation change of 1,093 m.

The land around Porto Ferreira is covered by artificial surfaces (37%), trees (27%) and cropland (22%) within 3 km, cropland (59%) and trees (26%) within 16 km, and cropland (48%) and trees (34%) within 80 km.

3 km
82 m
16 km
316 m
80 km
1,093 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Descalvado 15 km · Santa Rita do Passa Quatro 16 km · Pirassununga 17 km · Santa Cruz das Palmeiras 24 km · Tambaú 27 km · Leme 38 km · Casa Branca 42 km · Santa Rosa de Viterbo 44 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 Porto Ferreira (-21.8539°, -47.4792°, elevation 564 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).