São Bento weather in May

In May, São Bento sees average daytime highs of 30°C and overnight lows near 25°C, with 233 mm of rain across 25.1 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 13% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is São Bento's 8th-clearest and 11th-windiest month. For the whole year in context, see São Bento's year-round climate.

Daytime high
30°
8th warmest
Overnight low
25°
7th coldest
Rainfall
233 mm
25.1 wet days
Daylight
11 h 54 min
5:59 AM – 5:52 PM
Cloud cover
70%
8th clearest
Wind
8 km/h
11th windiest
Solar energy
4.53 kWh/m²
Travel score
3.1
out of 10

São Bento is 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 30°C through the month.

A typical May day in São Bento reaches about 30°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303124
313124

How May really feels in São Bento

Once humidity and wind are folded in, May averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São Bento weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°17723.412.13.0
Feb30° / 24°23925.412.12.8
Mar30° / 24°34030.1122.6
Apr30° / 24°35128.711.92.6
May30° / 25°23325.111.93.1
Jun30° / 24°10518.611.83.9
Jul31° / 24°6513.411.94.6
Aug32° / 24°184.711.94.9
Sep33° / 25°92.2124.7
Oct33° / 25°152.712.14.5
Nov33° / 25°255.112.14.2
Dec32° / 25°591212.23.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
32080
42179
52179
62377
72476
82575
92773
102872
112971
123070
133268
143268
153466
163565
173664
183763
193862
203961
213961
224159
234258
244258
254357
264555
274654
284753
294852
304951
315050

Chance of precipitation in May

Any precipitation

São Bento gets around 233 mm of rain over 25.1 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 81% and peaks near 91% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
290
390
489
588
688
787
886
985
1084
1183
1283
1382
1481
1581
1680
1780
1879
1979
2078
2178
2277
2377
2476
2576
2675
2775
2874
2973
3072
3172

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11981
21882
31882
41783
51684
61684
71585
81486
91486
101387
111288
121288
131288
141288
151288
161288
171387
181387
191387
201486
211585
221585
231684
241684
251783
261882
271981
281981
292080
302179
312278

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.

051015151015202531
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 54 min at the start of May to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 5:59 AM to 6:01 AM, and sunset from 5:54 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:595:54
211.95:595:53
311.95:595:53
411.95:595:53
511.95:595:53
611.95:595:53
711.95:595:53
811.95:595:53
911.95:595:52
1011.95:595:52
1111.95:595:52
1211.95:595:52
1311.95:595:52
1411.95:595:52
1511.95:595:52
1611.95:595:52
1711.95:595:52
1811.95:595:52
1911.95:595:52
2011.95:595:52
2111.96:005:52
2211.96:005:52
2311.96:005:52
2411.96:005:52
2511.96:005:52
2611.96:005:52
2711.96:005:52
2811.96:005:52
2911.96:015:52
3011.96:015:52
3111.96:015:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.53 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 6.2 kWh/m² in October across the year — May's 4.53 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for São Bento

In seasonPeak

In May, São Bento sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

São Bento's monsoon runs January–May, 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 São Bento?

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

3.1
Sightseeing
8th-best month of the year
4.4
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in São Bento.

What to pack for São Bento in May

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

In May, São Bento sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near São Bento in May

The nearest coast averages about 29°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 50 km away) is warmest in May at about 29°C and coldest in October near 28°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Warm
Oct28Warm
Nov28Warm
Dec28Warm

UV index in São Bento in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Bento peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in São Bento 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 São Bento is worst in November — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1918 µg/m³Jun 199 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug10Good
Sep9Good
Oct13Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is São Bento?

São Bento sits at 2.7°S, 44.8°W, 10 m above sea level, in Brazil. The nearest listed city is Palmeirândia, 10 km away.

Topography around São Bento

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

Within 3 km, the terrain around São Bento has only modest variations in elevation — a maximum elevation change of 25 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, only modest variations in elevation — a maximum elevation change of 173 m.

The land around São Bento is covered by wetland (55%) and grassland (23%) within 3 km, wetland (44%), trees (30%) and grassland (20%) within 16 km, and trees (45%) and grassland (22%) within 80 km.

3 km
25 m
16 km
102 m
80 km
173 m
treesgrasslandartificial surfaceswaterwetlandmangroves
May weather nearby: Palmeirândia 10 km · São Vicente Ferrer 23 km · Bequimão 28 km · São João Batista 29 km · Pinheiro 35 km · Matinha 51 km · Alcântara 55 km · São Luís 60 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 São Bento (-2.6958°, -44.8214°, elevation 10 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. 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).