Humaitá weather in May

In May, Humaitá sees average daytime highs of 30°C and overnight lows near 24°C, with 174 mm of rain across 24.3 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 8th-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 8% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Humaitá's 5th-clearest and 6th-windiest month. For the whole year in context, see Humaitá's year-round climate.

Daytime high
30°
9th warmest
Overnight low
24°
3rd coldest
Rainfall
174 mm
24.3 wet days
Daylight
11 h 42 min
6:19 AM – 5:58 PM
Cloud cover
76%
5th clearest
Wind
5 km/h
6th windiest
Solar energy
4.08 kWh/m²
Travel score
3.3
out of 10

Humaitá is 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 Humaitá reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How May really feels in Humaitá

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.

Humaitá weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°33029.212.42.7
Feb30° / 24°30926.412.22.7
Mar30° / 24°32129.212.12.7
Apr30° / 24°25527.111.82.8
May30° / 24°17424.311.73.3
Jun30° / 24°681311.64.5
Jul31° / 23°346.911.65.0
Aug32° / 24°569.511.84.0
Sep32° / 24°12317.9123.2
Oct32° / 24°18322.812.22.9
Nov31° / 24°23425.712.32.7
Dec30° / 24°29928.412.42.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21189
31189
41288
51387
61486
71486
81684
91684
101882
111882
122080
132080
142179
152377
162377
172575
182575
192674
202773
212773
222773
232773
242872
252971
263070
273169
283169
293367
303466
313664

Chance of precipitation in May

Any precipitation

Humaitá gets around 174 mm of rain over 24.3 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 78% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
285
385
484
584
683
783
882
982
1081
1181
1280
1380
1480
1579
1679
1778
1878
1977
2077
2176
2275
2375
2474
2573
2672
2771
2870
2968
3067
3166

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the miserable band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
121385
221385
321484
431483
531483
631582
731582
831681
931681
1031681
1131681
1231780
1331780
1431780
1531780
1631780
1731780
1831879
1921880
2021979
2121979
2221979
2322078
2422078
2522177
2622276
2722375
2822375
2922474
3022573
3122672

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 36 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 6:17 AM to 6:22 AM, and sunset from 6:02 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:176:02
211.76:176:01
311.76:176:01
411.76:176:01
511.76:176:00
611.76:176:00
711.76:186:00
811.76:186:00
911.76:185:59
1011.76:185:59
1111.76:185:59
1211.76:185:59
1311.76:185:59
1411.76:185:58
1511.76:185:58
1611.76:195:58
1711.76:195:58
1811.66:195:58
1911.66:195:58
2011.66:195:58
2111.66:195:58
2211.66:205:58
2311.66:205:57
2411.66:205:57
2511.66:205:57
2611.66:205:57
2711.66:215:57
2811.66:215:57
2911.66:215:57
3011.66:215:57
3111.66:225:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.08 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.08 kWh/m² to a high of 5.39 kWh/m² in September across the year — May's 4.08 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.2Bright
Planning a trip in May

Hazard calendar for Humaitá

In seasonPeak

In May, Humaitá sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Humaitá's rainy season runs October–May, 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 Humaitá?

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

3.3
Sightseeing
4th-best month of the year
4.5
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Humaitá.

What to pack for Humaitá in May

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

In May, Humaitá sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

UV index in Humaitá 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 Humaitá peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 11 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 13UV 15Sep 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug6High
Sep5Moderate
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Humaitá 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 Humaitá is worst in August — around 84 µg/m³ PM2.5 (unhealthy), about 9.2× the cleanest month (June, 9 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateAug 2181 µg/m³Jun 109 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar14Moderate
Apr11Good
May10Good
Jun9Good
Jul18Moderate
Aug84Unhealthy
Sep69Unhealthy
Oct23Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Humaitá?

Humaitá sits at 7.5°S, 63.0°W, 54 m above sea level, in Brazil. The nearest listed city is Candeias do Jamari, 161 km away.

Alto ParaísoAriquemes

Topography around Humaitá

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

Within 3 km, the terrain around Humaitá has only modest variations in elevation — a maximum elevation change of 38 m around an average of 51 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 72 m.

The land around Humaitá is covered by trees (38%) and grassland (31%) within 3 km, trees (69%) and grassland (22%) within 16 km, and trees (93%) within 80 km.

3 km
38 m
16 km
45 m
80 km
72 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Candeias do Jamari 161 km · Porto Velho 169 km · Canutama 185 km · Lábrea 197 km · Tapauá 211 km · Machadinho d'Oeste 243 km · Alto Paraíso 247 km · Ariquemes 267 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 Humaitá (-7.5165°, -63.0311°, elevation 54 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).