São Miguel do Guaporé weather in May

In May, São Miguel do Guaporé sees average daytime highs of 30°C and overnight lows near 21°C, with 71 mm of rain across 14.2 wet days and about 11.5 hours of daylight. It is the 11th-warmest and 9th-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 22% 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 24 min by month's end. Set against the rest of the year, May is São Miguel do Guaporé's 5th-clearest and 9th-windiest month. For the whole year in context, see São Miguel do Guaporé's year-round climate.

Daytime high
30°
11th warmest
Overnight low
21°
4th coldest
Rainfall
71 mm
14.2 wet days
Daylight
11 h 30 min
6:23 AM – 5:51 PM
Cloud cover
65%
5th clearest
Wind
6 km/h
9th windiest
Solar energy
4.39 kWh/m²
Travel score
4.7
out of 10

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 Miguel do Guaporé reaches about 30°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How May really feels in São Miguel do Guaporé

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 Miguel do Guaporé weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25527.812.62.9
Feb29° / 23°25625.612.42.9
Mar30° / 23°24527.612.12.9
Apr30° / 22°14821.711.73.5
May30° / 21°7114.211.54.7
Jun31° / 20°194.411.35.5
Jul32° / 19°142.811.45.2
Aug33° / 20°285.211.64.2
Sep33° / 22°7613.411.93.3
Oct32° / 23°14421.112.32.9
Nov31° / 23°20224.412.52.9
Dec30° / 23°2392712.72.9

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 19% of May, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33070
43169
53268
63268
73367
83367
93367
103565
113565
123664
133763
143862
153961
163961
174060
184159
194258
204258
214555
224654
234753
244852
255050
265149
275248
285446
295545
305842
315941

Chance of precipitation in May

Any precipitation

São Miguel do Guaporé gets around 71 mm of rain over 14.2 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 45% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
156
255
354
453
553
652
752
851
951
1050
1150
1249
1348
1448
1547
1647
1746
1845
1944
2043
2142
2241
2340
2439
2538
2637
2736
2835
2933
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 72% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11249795
212410785
312410785
412510784
512511774
613511764
713511764
813512754
913512754
1013513744
1113513744
1213514743
1313414753
1413415743
1513415743
1613416742
1712417742
1812418732
1912518731
2012519721
2112520711
2212521701
2312521701
2402622691
2502623690
2602624680
2702624680
2802725660
2902726650
3002727640
3102728630

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
125calm
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 36 min at the start of May to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 6:20 AM to 6:27 AM, and sunset from 5:56 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:205:56
211.66:205:55
311.66:215:55
411.66:215:55
511.66:215:54
611.56:215:54
711.56:215:53
811.56:215:53
911.56:225:53
1011.56:225:53
1111.56:225:52
1211.56:225:52
1311.56:235:52
1411.56:235:51
1511.56:235:51
1611.56:235:51
1711.56:235:51
1811.46:245:51
1911.46:245:50
2011.46:245:50
2111.46:245:50
2211.46:255:50
2311.46:255:50
2411.46:255:50
2511.46:255:50
2611.46:265:50
2711.46:265:49
2811.46:265:49
2911.46:275:49
3011.46:275:49
3111.46:275:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.39 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 5.67 kWh/m² in October across the year — May's 4.39 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in May

Hazard calendar for São Miguel do Guaporé

In seasonPeak

None of São Miguel do Guaporé'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 Miguel do Guaporé's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit São Miguel do Guaporé?

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

4.7
Sightseeing
3rd-best month of the year
6.2
Beach & pool
4th-best month of the year

May is a reasonable time to visit São Miguel do Guaporé for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Miguel do Guaporé in May

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

In May, São Miguel do Guaporé sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. About 14 days see rain.

light clothesrain gear

UV index in São Miguel do Guaporé in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (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 Miguel do Guaporé peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 24UV 15Sep 14UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep3Moderate
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in São Miguel do Guaporé 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 Miguel do Guaporé is worst in September — around 70 µg/m³ PM2.5 (unhealthy), about 8.6× the cleanest month (June, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateUnhealthyModerateSep 1666 µg/m³Jun 108 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar12Moderate
Apr9Good
May8Good
Jun8Good
Jul10Good
Aug39Poor
Sep70Unhealthy
Oct38Poor
Nov19Moderate
Dec13Moderate
Location & terrain

Where is São Miguel do Guaporé?

São Miguel do Guaporé sits at 11.7°S, 62.7°W, 193 m above sea level, in Brazil. The nearest listed city is Alta Floresta d'Oeste, 88 km away.

Topography around São Miguel do Guaporé

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

Within 3 km, the terrain around São Miguel do Guaporé has only modest variations in elevation — a maximum elevation change of 50 m around an average of 192 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 506 m.

The land around São Miguel do Guaporé is covered by grassland (57%) within 3 km, grassland (48%) and trees (45%) within 16 km, and trees (60%) and grassland (39%) within 80 km.

3 km
50 m
16 km
250 m
80 km
506 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Alta Floresta d'Oeste 88 km · Rolim de Moura 100 km · São Francisco do Guaporé 101 km · Presidente Médici 105 km · Ouro Preto do Oeste 118 km · Ji Paraná 122 km · Cacoal 141 km · Jaru 142 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 Miguel do Guaporé (-11.6936°, -62.7114°, elevation 193 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).