Porto Seguro weather in May

In May, Porto Seguro sees average daytime highs of 26°C and overnight lows near 23°C, with 96 mm of rain across 16.8 wet days and about 11.2 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 41% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of May to 11 h 06 min by month's end. Set against the rest of the year, May is Porto Seguro's 5th-clearest and 7th-windiest month. For the whole year in context, see Porto Seguro's year-round climate.

Daytime high
26°
7th warmest
Overnight low
23°
6th coldest
Rainfall
96 mm
16.8 wet days
Daylight
11 h 12 min
5:55 AM – 5:10 PM
Cloud cover
50%
5th clearest
Wind
13 km/h
7th windiest
Solar energy
4.11 kWh/m²
Travel score
5.8
out of 10

Porto Seguro 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 26°C through the month.

A typical May day in Porto Seguro reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12724
22724
32724
42724
52724
62724
72724
82724
92724
102723
112623
122623
132623
142623
152623
162623
172623
182623
192623
202623
212623
222623
232623
242623
252623
262623
272623
282623
292623
302623
312623

How May really feels in Porto Seguro

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Porto Seguro weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°7014.812.95.7
Feb28° / 25°6414.712.65.2
Mar28° / 25°11318.812.15.0
Apr27° / 24°11518.811.65.2
May26° / 23°9616.811.25.8
Jun25° / 22°7315.6116.1
Jul25° / 22°6716.711.16.2
Aug25° / 22°5312.811.46.7
Sep25° / 22°5111.111.96.8
Oct26° / 23°9613.112.46.3
Nov27° / 24°15815.612.85.6
Dec27° / 24°11013.9135.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 27% of May, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47030
56931
66931
76931
86931
96832
106832
116733
126634
136634
146535
156535
166535
176436
186436
196535
206535
216535
226634
236733
246733
256832
266832
276931
286931
296931
307129
317129

Chance of precipitation in May

Any precipitation

Porto Seguro gets around 96 mm of rain over 16.8 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 54% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
160
259
359
458
557
657
756
855
955
1054
1154
1254
1353
1453
1553
1653
1753
1853
1953
2052
2152
2252
2352
2452
2552
2652
2752
2852
2952
3052
3152

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1014806
2016795
3117775
4118765
5119764
6120754
7121744
8122734
9122743
10123733
11124723
12125722
13126712
14126712
15127702
16128701
17128701
18129691
19129691
20130681
21130681
22130681
23131671
24131671
25132661
26232660
27232660
28233650
29233650
30334630
31334630

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 24 min at the start of May to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 5:51 AM to 6:01 AM, and sunset from 5:16 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:515:16
211.45:515:15
311.45:525:15
411.45:525:14
511.45:525:14
611.45:525:13
711.35:535:13
811.35:535:13
911.35:535:12
1011.35:545:12
1111.35:545:11
1211.35:545:11
1311.35:555:11
1411.35:555:10
1511.25:555:10
1611.25:555:10
1711.25:565:09
1811.25:565:09
1911.25:565:09
2011.25:575:08
2111.25:575:08
2211.25:585:08
2311.25:585:08
2411.25:585:08
2511.15:595:07
2611.15:595:07
2711.15:595:07
2811.16:005:07
2911.16:005:07
3011.16:005:07
3111.16:015:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.11 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 6.46 kWh/m² in January across the year — May's 4.11 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.0Bright
204.0Bright
214.0Moderate
224.0Moderate
234.0Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.8Moderate
Planning a trip in May

Is May a good time to visit Porto Seguro?

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

5.8
Sightseeing
6th-best month of the year
5.6
Beach & pool
8th-best month of the year

May is a reasonable time to visit Porto Seguro for sightseeing.

What to pack for Porto Seguro in May

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

In May, Porto Seguro sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes. About 17 days see rain.

rain gearlight clothes

Sea temperature near Porto Seguro in May

The nearest coast averages about 27°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in April at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May27Warm
Jun26Warm
Jul25Warm
Aug25Warm
Sep25Warm
Oct25Warm
Nov26Warm
Dec26Warm

UV index in Porto Seguro in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Porto Seguro peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jun 22UV 7
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Porto Seguro?

Porto Seguro sits at 16.4°S, 39.1°W, 4 m above sea level, in Brazil. The nearest listed city is Santa Cruz Cabrália, 20 km away.

Topography around Porto Seguro

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

Within 3 km, the terrain around Porto Seguro has only modest variations in elevation — a maximum elevation change of 61 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, large variations in elevation — a maximum elevation change of 761 m.

The land around Porto Seguro is covered by water (46%) within 3 km, water (46%) and trees (38%) within 16 km, and trees (40%), water (33%) and grassland (25%) within 80 km.

3 km
61 m
16 km
109 m
80 km
761 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Santa Cruz Cabrália 20 km · Itabela 54 km · Eunápolis 56 km · Belmonte 68 km · Guaratinga 78 km · Itamaraju 82 km · Canavieiras 87 km · Prado 101 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 Seguro (-16.4497°, -39.0647°, elevation 4 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).