São Gabriel da Cachoeira weather in May

In May, São Gabriel da Cachoeira sees average daytime highs of 29°C and overnight lows near 23°C, with 368 mm of rain across 29.7 wet days and about 12 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of May to 12 hours by month's end. Set against the rest of the year, May is São Gabriel da Cachoeira's 11th-clearest and 3rd-windiest month. For the whole year in context, see São Gabriel da Cachoeira's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
5th coldest
Rainfall
368 mm
29.7 wet days
Daylight
12 hours
6:25 AM – 6:24 PM
Cloud cover
88%
11th clearest
Wind
4 km/h
3rd windiest
Solar energy
3.72 kWh/m²
Travel score
2.9
out of 10

São Gabriel da Cachoeira 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 29°C through the month.

A typical May day in São Gabriel da Cachoeira reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°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)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923
312923

How May really feels in São Gabriel da Cachoeira

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 Gabriel da Cachoeira weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25827.6122.8
Feb30° / 23°25124.4122.9
Mar30° / 23°30128.5122.7
Apr30° / 23°33328.1122.7
May29° / 23°36829.7122.9
Jun29° / 23°32128.7123.0
Jul29° / 22°26028.7123.2
Aug30° / 22°19927.4123.1
Sep31° / 23°17326122.9
Oct31° / 23°19226.4122.8
Nov31° / 23°21227.4122.7
Dec30° / 23°24829.2122.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 5% of May, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7595
8496
9496
10496
11496
12496
13496
14496
15496
16694
17694
18694
19694
20694
21694
22694
23793
24793
25793
26793
27793
28892
29892
30892
31892

Chance of precipitation in May

Any precipitation

São Gabriel da Cachoeira gets around 368 mm of rain over 29.7 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 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
495
595
696
796
896
996
1096
1196
1296
1396
1496
1596
1696
1796
1896
1995
2095
2195
2295
2395
2495
2595
2695
2795
2895
2995
3096
3196

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14951
25050
35149
45149
55248
65248
75248
85248
95347
105347
115446
125446
135446
145545
155545
165545
175644
185644
195644
205743
215842
225941
236040
246139
256238
266337
276436
286535
296733
306832
316931

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 hours at the start of May to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 6:26 AM to 6:26 AM, and sunset from 6:25 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:266:25
212.06:266:25
312.06:256:25
412.06:256:25
512.06:256:25
612.06:256:25
712.06:256:25
812.06:256:25
912.06:256:25
1012.06:256:25
1112.06:256:25
1212.06:256:24
1312.06:256:24
1412.06:256:24
1512.06:256:24
1612.06:256:24
1712.06:256:24
1812.06:256:24
1912.06:256:24
2012.06:256:25
2112.06:256:25
2212.06:256:25
2312.06:256:25
2412.06:256:25
2512.06:256:25
2612.06:256:25
2712.06:256:25
2812.06:266:25
2912.06:266:25
3012.06:266:25
3112.06:266:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.72 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 5.11 kWh/m² in September across the year — May's 3.72 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in May

Is May a good time to visit São Gabriel da Cachoeira?

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

2.9
Sightseeing
4th-best month of the year
3.7
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in São Gabriel da Cachoeira.

What to pack for São Gabriel da Cachoeira in May

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

In May, São Gabriel da Cachoeira sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

UV index in São Gabriel da Cachoeira in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (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 Gabriel da Cachoeira peaks around February 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 22 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 14UV 14Jul 22UV 11
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in São Gabriel da Cachoeira 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 Gabriel da Cachoeira is worst in March — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1619 µg/m³Jun 1710 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar20Moderate
Apr17Moderate
May11Good
Jun10Good
Jul11Good
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is São Gabriel da Cachoeira?

São Gabriel da Cachoeira sits at 0.1°S, 67.1°W, 74 m above sea level, in Brazil. The nearest listed city is Maraã, 256 km away.

MaraãFonte BoaTonantinsSanto Antônio do IçáMitúUariniSão Paulo de OlivençaAlvarães

Topography around São Gabriel da Cachoeira

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

Within 3 km, the terrain around São Gabriel da Cachoeira has only modest variations in elevation — a maximum elevation change of 150 m around an average of 74 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 522 m; within 80 km, large variations in elevation — a maximum elevation change of 985 m.

The land around São Gabriel da Cachoeira is covered by trees (71%) within 3 km, trees (91%) within 16 km, and trees (98%) within 80 km.

3 km
150 m
16 km
522 m
80 km
985 m
treesgrasslandartificial surfaceswater
May weather nearby: Maraã 256 km · Fonte Boa 288 km · Tonantins 317 km · Santo Antônio do Içá 345 km · Mitú 382 km · Uarini 388 km · São Paulo de Olivença 413 km · Alvarães 428 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 Gabriel da Cachoeira (-0.1181°, -67.0853°, elevation 74 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).