Colorado do Oeste weather in May

In May, Colorado do Oeste sees average daytime highs of 29°C and overnight lows near 20°C, with 56 mm of rain across 11.4 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 9th-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 29% 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 Colorado do Oeste's 5th-clearest and 7th-windiest month. For the whole year in context, see Colorado do Oeste's year-round climate.

Daytime high
29°
11th warmest
Overnight low
20°
4th coldest
Rainfall
56 mm
11.4 wet days
Daylight
11 h 24 min
6:17 AM – 5:40 PM
Cloud cover
60%
5th clearest
Wind
6 km/h
7th windiest
Solar energy
4.51 kWh/m²
Travel score
5.4
out of 10

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 Colorado do Oeste reaches about 29°C in the afternoon and slips back to 20°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 31°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)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282919
292919
302919
312919

How May really feels in Colorado do Oeste

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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Colorado do Oeste 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
Jan29° / 22°25528.612.73.1
Feb29° / 22°24825.712.43.1
Mar29° / 22°21927.712.13.1
Apr29° / 21°11620.411.73.9
May29° / 20°5611.411.45.4
Jun29° / 19°132.711.26.4
Jul30° / 18°101.711.36.2
Aug32° / 19°213.811.65.0
Sep32° / 21°6711.711.93.9
Oct31° / 22°13619.812.33.4
Nov30° / 22°18823.612.63.2
Dec29° / 22°23326.812.83.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34159
44159
54159
64258
74258
84258
94258
104357
114456
124456
134654
144654
154852
164852
174951
185050
195149
205149
215347
225446
235545
245644
255743
265941
276040
286238
296337
306436
316634

Chance of precipitation in May

Any precipitation

Colorado do Oeste gets around 56 mm of rain over 11.4 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 36% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
245
344
443
543
642
742
841
941
1040
1140
1239
1339
1438
1538
1638
1737
1837
1936
2035
2134
2234
2332
2431
2530
2629
2728
2827
2925
3024
3122

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11352071
22362168
32362267
42362267
52462365
62462464
72472562
83472660
93472660
103472759
113472858
123482857
133382957
143382957
153393055
162393056
1723103154
1823113153
1923113252
2023123251
2123123350
2223133349
2323133448
2423143447
2513143546
2613153644
2714153743
2814163841
2914163940
3014174138
3114174236

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 6:13 AM to 6:21 AM, and sunset from 5:46 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:135:46
211.56:135:45
311.56:145:45
411.56:145:44
511.56:145:44
611.56:145:43
711.56:145:43
811.56:155:43
911.56:155:42
1011.46:155:42
1111.46:155:42
1211.46:165:41
1311.46:165:41
1411.46:165:41
1511.46:165:41
1611.46:175:40
1711.46:175:40
1811.46:175:40
1911.46:175:40
2011.46:185:39
2111.46:185:39
2211.36:185:39
2311.36:185:39
2411.36:195:39
2511.36:195:39
2611.36:195:39
2711.36:205:38
2811.36:205:38
2911.36:205:38
3011.36:215:38
3111.36:215:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.51 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 5.8 kWh/m² in October across the year — May's 4.51 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Colorado do Oeste

In seasonPeak

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

Colorado do Oeste'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 Colorado do Oeste?

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

5.4
Sightseeing
3rd-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Colorado do Oeste in May

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

In May, Colorado do Oeste sees daytime highs around 29°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Colorado do Oeste 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 Colorado do Oeste peaks around January 21 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 21UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug9Very high
Sep3Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Colorado do Oeste 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 Colorado do Oeste is worst in September — around 66 µg/m³ PM2.5 (unhealthy), about 8.1× the cleanest month (May, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateSep 1562 µg/m³May 168 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar11Good
Apr9Good
May8Good
Jun9Good
Jul10Good
Aug39Poor
Sep66Unhealthy
Oct27Moderate
Nov17Moderate
Dec12Moderate
Location & terrain

Where is Colorado do Oeste?

Colorado do Oeste sits at 13.1°S, 60.5°W, 433 m above sea level, in Brazil. The nearest listed city is Cerejeiras, 30 km away.

Topography around Colorado do Oeste

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colorado do Oeste.

Within 3 km, the terrain around Colorado do Oeste has only modest variations in elevation — a maximum elevation change of 122 m around an average of 428 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 337 m; within 80 km, significant variations in elevation — a maximum elevation change of 488 m.

The land around Colorado do Oeste is covered by grassland (61%) and trees (25%) within 3 km, grassland (66%) and trees (33%) within 16 km, and trees (57%) and grassland (30%) within 80 km.

3 km
122 m
16 km
337 m
80 km
488 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Cerejeiras 30 km · Vilhena 60 km · Comodoro 102 km · Pimenta Bueno 176 km · Espigão dOeste 184 km · Rolim de Moura do Guaporé 188 km · Sapezal 192 km · Alta Floresta d'Oeste 200 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 Colorado do Oeste (-13.1167°, -60.5417°, elevation 433 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).