Lábrea weather in May

In May, Lábrea sees average daytime highs of 30°C and overnight lows near 23°C, with 174 mm of rain across 24.7 wet days and about 11.7 hours of daylight. It is the 12th-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 6% 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 Lábrea's 6th-clearest and 7th-windiest month. For the whole year in context, see Lábrea's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
4th coldest
Rainfall
174 mm
24.7 wet days
Daylight
11 h 42 min
6:25 AM – 6:06 PM
Cloud cover
77%
6th clearest
Wind
5 km/h
7th windiest
Solar energy
4.01 kWh/m²
Travel score
3.2
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 Lábrea reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How May really feels in Lábrea

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.

Lábrea weather by month

How May compares with the rest of the year at a glance. May is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°2992912.42.6
Feb30° / 24°28625.912.22.6
Mar30° / 24°31829.5122.6
Apr30° / 23°25127.111.82.7
May30° / 23°17424.711.73.2
Jun30° / 23°7415.111.64.3
Jul31° / 22°418.411.65.0
Aug32° / 23°6711.311.84.0
Sep32° / 24°11618.4123.1
Oct32° / 24°18323.412.22.8
Nov31° / 24°22226.412.32.6
Dec30° / 24°29428.612.42.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31288
41288
51387
61387
71486
81585
91585
101684
111783
121783
131882
141882
151981
162080
172080
182080
192377
202377
212377
222377
232575
242575
252674
262674
272872
282971
293070
303169
313367

Chance of precipitation in May

Any precipitation

Lábrea gets around 174 mm of rain over 24.7 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 79% 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
286
385
485
584
684
784
883
983
1082
1182
1281
1381
1480
1580
1679
1779
1878
1978
2077
2177
2277
2376
2476
2575
2675
2774
2873
2972
3071
3170

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
132374
232473
332473
432473
542571
642571
742571
842571
942571
1042571
1142670
1242670
1342670
1442670
1542670
1632770
1732770
1832869
1932968
2033067
2133166
2233265
2333265
2433364
2533463
2633562
2733661
2833760
2933760
3033859
3133958

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
54calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
154calm
164calm
174calm
184calm
194calm
204calm
215calm
225calm
235calm
245calm
255calm
265calm
274calm
284calm
294calm
304calm
314calm

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 6:24 AM to 6:28 AM, and sunset from 6:09 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:246:09
211.76:246:09
311.76:246:08
411.76:246:08
511.76:246:08
611.76:246:07
711.76:246:07
811.76:246:07
911.76:246:07
1011.76:256:07
1111.76:256:06
1211.76:256:06
1311.76:256:06
1411.76:256:06
1511.76:256:06
1611.76:256:06
1711.76:256:05
1811.76:266:05
1911.76:266:05
2011.76:266:05
2111.66:266:05
2211.66:266:05
2311.66:276:05
2411.66:276:05
2511.66:276:05
2611.66:276:05
2711.66:276:05
2811.66:286:05
2911.66:286:05
3011.66:286:05
3111.66:286:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.01 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.44 kWh/m² in September across the year — May's 4.01 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.0Bright
194.0Bright
204.0Bright
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.0Bright
304.0Bright
314.1Bright
Planning a trip in May

Hazard calendar for Lábrea

In seasonPeak

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

Lábrea'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 Lábrea?

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

3.2
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 Lábrea.

What to pack for Lábrea in May

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

In May, Lábrea sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Lábrea 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 Lábrea peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 24 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 12UV 15Aug 24UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug5High
Sep5High
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Lábrea 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 Lábrea is worst in August — around 57 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (June, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateAug 2357 µg/m³Jun 910 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr12Good
May10Good
Jun10Good
Jul16Moderate
Aug57Unhealthy
Sep55Poor
Oct21Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Lábrea?

Lábrea sits at 7.3°S, 64.8°W, 65 m above sea level, in Brazil. The nearest listed city is Canutama, 93 km away.

TapauáAlto ParaísoBoca do Acre

Topography around Lábrea

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

Within 3 km, the terrain around Lábrea has only modest variations in elevation — a maximum elevation change of 37 m around an average of 64 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 51 m; within 80 km, only modest variations in elevation — a maximum elevation change of 83 m.

The land around Lábrea is covered by trees (57%) and grassland (28%) within 3 km, trees (88%) within 16 km, and trees (98%) within 80 km.

3 km
37 m
16 km
51 m
80 km
83 m
treesgrasslandartificial surfaceswater
May weather nearby: Canutama 93 km · Porto Velho 193 km · Humaitá 197 km · Candeias do Jamari 210 km · Pauini 245 km · Tapauá 255 km · Alto Paraíso 318 km · Boca do Acre 331 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 Lábrea (-7.2644°, -64.7964°, elevation 65 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).