Rolim de Moura do Guaporé weather in May

In May, Rolim de Moura do Guaporé sees average daytime highs of 30°C and overnight lows near 21°C, with 70 mm of rain across 12 wet days and about 11.4 hours of daylight. It is the 12th-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 28% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of May to 11 h 18 min by month's end. Set against the rest of the year, May is Rolim de Moura do Guaporé's 5th-clearest and 8th-windiest month. For the whole year in context, see Rolim de Moura do Guaporé's year-round climate.

Daytime high
30°
12th warmest
Overnight low
21°
4th coldest
Rainfall
70 mm
12 wet days
Daylight
11 h 24 min
6:23 AM – 5:47 PM
Cloud cover
62%
5th clearest
Wind
6 km/h
8th windiest
Solar energy
4.37 kWh/m²
Travel score
4.9
out of 10

Rolim de Moura do Guaporé 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 30°C through the month.

A typical May day in Rolim de Moura do Guaporé reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°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 on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293020
303020
313020

How May really feels in Rolim de Moura do Guaporé

Once humidity and wind are folded in, May averages 27 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
27
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.

Rolim de Moura do Guaporé weather by month

How May compares with the rest of the year at a glance. May is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°27527.812.72.7
Feb30° / 23°26925.312.42.8
Mar30° / 23°25627.412.12.8
Apr30° / 22°14319.711.73.6
May30° / 21°701211.44.9
Jun30° / 20°213.811.25.9
Jul31° / 19°122.311.35.8
Aug32° / 20°24411.64.6
Sep33° / 22°7111.111.93.4
Oct32° / 23°14819.912.32.9
Nov31° / 23°21223.412.62.8
Dec31° / 23°2622712.82.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23763
33862
43862
53862
63862
73862
83961
94060
104060
114159
124258
134258
144456
154456
164456
174654
184654
194852
204852
215050
225149
235347
245446
255545
265644
275743
286040
296139
306238
316436

Chance of precipitation in May

Any precipitation

Rolim de Moura do Guaporé gets around 70 mm of rain over 12 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 38% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
248
347
447
546
646
745
844
944
1043
1142
1242
1341
1441
1540
1639
1739
1838
1937
2036
2135
2234
2333
2432
2531
2630
2729
2827
2926
3025
3124

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1134106121
2135116020
3235116019
4235126018
5245126017
6245136016
7245136016
8245146015
9245156014
10245156113
11245166013
12245166112
13246166111
14246176110
15246176110
1623617639
1723717638
1823717647
1923718637
2023818636
2123819635
2213819645
2313820644
2413820644
2513821634
2613921633
2713922623
2813923613
2914924602
3014925592
3114926582

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
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 30 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 12 minutes over May. Sunrise moves from 6:20 AM to 6:28 AM, and sunset from 5:53 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:205:53
211.56:205:52
311.56:205:52
411.56:215:51
511.56:215:51
611.56:215:50
711.56:215:50
811.56:215:50
911.56:225:49
1011.56:225:49
1111.46:225:49
1211.46:225:48
1311.46:235:48
1411.46:235:48
1511.46:235:48
1611.46:235:47
1711.46:245:47
1811.46:245:47
1911.46:245:47
2011.46:255:46
2111.46:255:46
2211.46:255:46
2311.36:255:46
2411.36:265:46
2511.36:265:46
2611.36:265:46
2711.36:275:45
2811.36:275:45
2911.36:275:45
3011.36:275:45
3111.36:285:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.37 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 5.76 kWh/m² in October across the year — May's 4.37 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Rolim de Moura do Guaporé

In seasonPeak

None of Rolim de Moura 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.

Rolim de Moura do Guaporé's monsoon runs October–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 Rolim de Moura do Guaporé?

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

4.9
Sightseeing
3rd-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Rolim de Moura do Guaporé in May

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

In May, Rolim de Moura do Guaporé sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear. About 12 days see rain.

light clothesrain gear

UV index in Rolim de Moura 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 Rolim de Moura do Guaporé peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 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 20UV 15Sep 15UV 4
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep3Moderate
Oct9Very high
Nov14Extreme
Dec14Extreme

Air quality in Rolim de Moura 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 Rolim de Moura do Guaporé is worst in September — around 72 µg/m³ PM2.5 (unhealthy), about 9.5× the cleanest month (July, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyPoorModerateSep 1869 µg/m³Jul 98 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar11Good
Apr9Good
May8Good
Jun8Good
Jul8Good
Aug36Poor
Sep72Unhealthy
Oct50Poor
Nov26Moderate
Dec13Moderate
Location & terrain

Where is Rolim de Moura do Guaporé?

Rolim de Moura do Guaporé sits at 13.1°S, 62.3°W, 159 m above sea level, in Brazil. The nearest listed city is Alta Floresta d'Oeste, 129 km away.

Topography around Rolim de Moura do Guaporé

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

Within 3 km, the terrain around Rolim de Moura do Guaporé has only modest variations in elevation — a maximum elevation change of 28 m around an average of 154 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 196 m; within 80 km, significant variations in elevation — a maximum elevation change of 523 m.

The land around Rolim de Moura do Guaporé is covered by trees (58%) and wetland (27%) within 3 km, trees (58%) and wetland (34%) within 16 km, and trees (69%) and wetland (21%) within 80 km.

3 km
28 m
16 km
196 m
80 km
523 m
treesgrasslandwaterwetland
May weather nearby: Alta Floresta d'Oeste 129 km · Rolim de Moura 151 km · Cerejeiras 159 km · São Miguel do Guaporé 161 km · São Francisco do Guaporé 181 km · Colorado do Oeste 188 km · Pimenta Bueno 196 km · Cacoal 204 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 Rolim de Moura do Guaporé (-13.0827°, -62.2773°, elevation 159 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).