Santo Amaro weather in May

In May, Santo Amaro sees average daytime highs of 28°C and overnight lows near 22°C, with 122 mm of rain across 20.9 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 19% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 18 min by month's end. Set against the rest of the year, May is Santo Amaro's 10th-clearest and 7th-windiest month. For the whole year in context, see Santo Amaro's year-round climate.

Daytime high
28°
8th warmest
Overnight low
22°
6th coldest
Rainfall
122 mm
20.9 wet days
Daylight
11 h 24 min
5:48 AM – 5:14 PM
Cloud cover
61%
10th clearest
Wind
10 km/h
7th windiest
Solar energy
4.05 kWh/m²
Travel score
4.7
out of 10

Santo Amaro 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 28°C through the month.

A typical May day in Santo Amaro reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162822
172822
182822
192821
202821
212821
222821
232721
242721
252721
262721
272721
282721
292721
302721
312721

How May really feels in Santo Amaro

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.

Santo Amaro weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°7013.712.73.9
Feb32° / 23°6113.612.43.7
Mar31° / 23°8017.412.13.7
Apr30° / 23°10020.311.73.9
May28° / 22°12220.911.44.7
Jun26° / 21°11122.311.34.8
Jul26° / 20°9021.411.35.1
Aug26° / 19°7319.511.65.3
Sep28° / 20°5614.811.95.6
Oct30° / 21°4911.312.35.1
Nov31° / 22°621112.64.5
Dec31° / 23°5510.312.74.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 30% of May, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
44951
55050
65050
74951
85050
94852
104852
114852
124753
134654
144654
154555
164555
174555
184654
194654
204753
214753
224951
234951
245050
255050
265149
275149
285248
295149
305248
315248

Chance of precipitation in May

Any precipitation

Santo Amaro gets around 122 mm of rain over 20.9 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 68% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
371
471
570
670
770
869
969
1069
1169
1268
1368
1468
1568
1668
1767
1867
1967
2067
2166
2266
2366
2466
2566
2666
2766
2867
2967
3067
3168

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
109901
2010891
3010891
4011881
5011881
6012871
7013861
8014851
9015841
10015841
11016831
12017821
13018811
14019801
15020791
16020791
17021781
18022771
19022771
20022780
21022780
22022780
23022780
24022780
25122770
26122770
27122770
28123760
29123760
30124750
31124750

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 18 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 5:45 AM to 5:53 AM, and sunset from 5:19 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:455:19
211.65:455:18
311.55:465:18
411.55:465:18
511.55:465:17
611.55:465:17
711.55:465:16
811.55:475:16
911.55:475:16
1011.55:475:15
1111.55:475:15
1211.55:475:15
1311.45:485:15
1411.45:485:14
1511.45:485:14
1611.45:485:14
1711.45:495:14
1811.45:495:13
1911.45:495:13
2011.45:495:13
2111.45:505:13
2211.45:505:13
2311.45:505:13
2411.45:515:12
2511.45:515:12
2611.45:515:12
2711.35:515:12
2811.35:525:12
2911.35:525:12
3011.35:525:12
3111.35:535:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.05 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 6.16 kWh/m² in December across the year — May's 4.05 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.0Bright
164.0Bright
174.0Bright
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.8Moderate
313.8Moderate
Planning a trip in May

Is May a good time to visit Santo Amaro?

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

4.7
Sightseeing
6th-best month of the year
5.1
Beach & pool
10th-best month of the year

May is a reasonable time to visit Santo Amaro for sightseeing.

What to pack for Santo Amaro in May

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

In May, Santo Amaro sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 21 days see rain.

light clothesrain gear

Sea temperature near Santo Amaro in May

The nearest coast averages about 28°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 65 km away) is warmest in March 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°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Santo Amaro in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Amaro peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 23UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Santo Amaro?

Santo Amaro sits at 12.5°S, 38.7°W, 11 m above sea level, in Brazil. The nearest listed city is São Francisco do Conde, 10 km away.

Topography around Santo Amaro

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

Within 3 km, the terrain around Santo Amaro has only modest variations in elevation — a maximum elevation change of 96 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 239 m; within 80 km, large variations in elevation — a maximum elevation change of 602 m.

The land around Santo Amaro is covered by trees (46%) and grassland (37%) within 3 km, grassland (51%) and trees (37%) within 16 km, and grassland (45%) and trees (31%) within 80 km.

3 km
96 m
16 km
239 m
80 km
602 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
May weather nearby: São Francisco do Conde 10 km · Amélia Rodrigues 17 km · Candeias 22 km · Madre de Deus 24 km · São Sebastião do Passé 24 km · Conceição do Jacuípe 26 km · Cachoeira 28 km · São Gonçalo dos Campos 29 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 Santo Amaro (-12.5467°, -38.7119°, elevation 11 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).