São João do Soter weather in May

In May, São João do Soter sees average daytime highs of 31°C and overnight lows near 23°C, with 116 mm of rain across 15.2 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is São João do Soter's 7th-clearest and 8th-windiest month. For the whole year in context, see São João do Soter's year-round climate.

Daytime high
31°
9th warmest
Overnight low
23°
8th coldest
Rainfall
116 mm
15.2 wet days
Daylight
11 h 48 min
5:58 AM – 5:45 PM
Cloud cover
63%
7th clearest
Wind
6 km/h
8th windiest
Solar energy
4.72 kWh/m²
Travel score
3.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in São João do Soter reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How May really feels in São João do Soter

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 João do Soter weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°24025.312.32.7
Feb31° / 23°25624.412.22.7
Mar31° / 23°30828.3122.6
Apr31° / 23°24725.111.92.9
May31° / 23°11615.211.83.8
Jun32° / 23°184.111.74.4
Jul33° / 23°81.511.74.3
Aug34° / 23°30.711.83.6
Sep36° / 23°81.4122.8
Oct36° / 24°193.612.12.6
Nov35° / 24°608.712.22.8
Dec33° / 24°12115.212.32.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33169
43367
53367
63565
73664
83862
93961
104159
114258
124357
134555
144654
154753
164852
174852
185050
195149
205149
215248
225446
235446
245545
255743
265743
275941
286040
296238
306238
316436

Chance of precipitation in May

Any precipitation

São João do Soter gets around 116 mm of rain over 15.2 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 49% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
170
269
368
467
565
663
761
860
958
1056
1154
1252
1351
1450
1548
1647
1746
1845
1944
2043
2142
2241
2340
2439
2538
2637
2736
2835
2934
3032
3130

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
114851
214851
314950
414950
515049
615148
715247
815346
915445
1015544
1115643
1215742
1315841
1415940
1525939
1626137
1726236
1826335
1936334
2036532
2146531
2246630
2356728
2456827
2566826
2676924
2786923
28106921
29117019
30127018
31147016

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
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 48 min at the start of May to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:58 AM to 6:01 AM, and sunset from 5:47 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:585:47
211.85:585:47
311.85:585:47
411.85:585:46
511.85:585:46
611.85:585:46
711.85:585:46
811.85:585:46
911.85:585:45
1011.85:585:45
1111.85:585:45
1211.85:585:45
1311.85:585:45
1411.85:585:45
1511.85:585:45
1611.85:585:45
1711.85:595:44
1811.85:595:44
1911.85:595:44
2011.85:595:44
2111.85:595:44
2211.85:595:44
2311.75:595:44
2411.76:005:44
2511.76:005:44
2611.76:005:44
2711.76:005:44
2811.76:005:44
2911.76:005:44
3011.76:015:44
3111.76:015:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.72 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.4 kWh/m² in September across the year — May's 4.72 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for São João do Soter

In seasonPeak

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

São João do Soter's monsoon runs January–April, 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 João do Soter?

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

3.8
Sightseeing
3rd-best month of the year
5.7
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in São João do Soter.

What to pack for São João do Soter in May

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

In May, São João do Soter sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in São João do Soter 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 João do Soter peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in São João do Soter 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 João do Soter is worst in October — around 83 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (May, 12 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateModeratePoorUnhealthyModerateOct 1578 µg/m³May 1112 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar13Moderate
Apr12Moderate
May12Good
Jun16Moderate
Jul18Moderate
Aug32Moderate
Sep53Poor
Oct83Unhealthy
Nov39Poor
Dec26Moderate
Location & terrain

Where is São João do Soter?

São João do Soter sits at 5.1°S, 43.8°W, 114 m above sea level, in Brazil. The nearest listed city is Caxias, 58 km away.

Topography around São João do Soter

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

Within 3 km, the terrain around São João do Soter has only modest variations in elevation — a maximum elevation change of 68 m around an average of 132 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 184 m; within 80 km, significant variations in elevation — a maximum elevation change of 268 m.

The land around São João do Soter is covered by trees (64%) and grassland (23%) within 3 km, trees (66%) and grassland (23%) within 16 km, and trees (66%) and grassland (25%) within 80 km.

3 km
68 m
16 km
184 m
80 km
268 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Caxias 58 km · Aldeias Altas 66 km · Dom Pedro 70 km · Codó 74 km · Presidente Dutra 78 km · Fortuna 79 km · Buriti Bravo 80 km · Matões 81 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 João do Soter (-5.1139°, -43.81°, elevation 114 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).