Eirunepé weather in May

In May, Eirunepé sees average daytime highs of 30°C and overnight lows near 23°C, with 167 mm of rain across 23.8 wet days and about 11.7 hours of daylight. It is the 11th-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 5% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Eirunepé's 6th-clearest and 3rd-windiest month. For the whole year in context, see Eirunepé's year-round climate.

Daytime high
30°
11th warmest
Overnight low
23°
4th coldest
Rainfall
167 mm
23.8 wet days
Daylight
11 h 42 min
5:45 AM – 5:27 PM
Cloud cover
78%
6th clearest
Wind
5 km/h
3rd windiest
Solar energy
4.08 kWh/m²
Travel score
3.4
out of 10

Eirunepé 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 Eirunepé 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 27°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
233022
243022
253022
263022
273022
283022
293022
303022
313022

How May really feels in Eirunepé

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.

Eirunepé weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°28328.312.32.8
Feb30° / 23°27325.512.22.7
Mar30° / 23°30128.4122.7
Apr30° / 23°24625.811.92.9
May30° / 23°16723.811.73.4
Jun29° / 22°9617.911.64.2
Jul30° / 21°6713.411.74.8
Aug31° / 22°8514.511.84.2
Sep31° / 23°12219.1123.3
Oct31° / 23°17423.212.13.0
Nov31° / 23°22425.412.32.7
Dec30° / 23°26127.912.42.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% 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 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21387
31387
41486
51585
61585
71585
81585
91684
101684
111684
121684
131783
141783
151783
161882
171882
182080
192080
202080
212179
222278
232278
242278
252377
262476
272674
282674
292773
302971
313070

Chance of precipitation in May

Any precipitation

Eirunepé gets around 167 mm of rain over 23.8 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 77% and peaks near 83% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
183
283
382
482
581
681
780
880
979
1079
1179
1278
1378
1478
1577
1677
1777
1877
1976
2076
2175
2275
2374
2473
2573
2672
2772
2871
2970
3070
3169

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1154054
2164152
3164152
4164251
5164251
6174250
7174250
8174250
9174350
10174349
11174349
12174349
13174349
14174349
15174349
16174449
17174448
18174548
19174547
20174646
21174745
22174944
23175043
24175141
25175240
26175438
27175636
28175834
29175933
30176131
31176329

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
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 48 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 12 minutes over May. Sunrise moves from 5:44 AM to 5:48 AM, and sunset from 5:30 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:445:30
211.85:445:29
311.85:445:29
411.85:445:29
511.75:445:29
611.75:445:28
711.75:445:28
811.75:445:28
911.75:445:28
1011.75:445:28
1111.75:445:27
1211.75:445:27
1311.75:445:27
1411.75:455:27
1511.75:455:27
1611.75:455:27
1711.75:455:27
1811.75:455:26
1911.75:455:26
2011.75:455:26
2111.75:465:26
2211.75:465:26
2311.75:465:26
2411.75:465:26
2511.75:465:26
2611.75:465:26
2711.75:475:26
2811.75:475:26
2911.75:475:26
3011.65:475:26
3111.65:485:26

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 5.35 kWh/m² in September across the year — May's 4.08 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
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
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.0Bright
304.0Bright
314.0Bright
Planning a trip in May

Is May a good time to visit Eirunepé?

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

3.4
Sightseeing
4th-best month of the year
4.6
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Eirunepé.

What to pack for Eirunepé in May

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

In May, Eirunepé sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

UV index in Eirunepé in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Eirunepé peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Aug 18UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul9Very high
Aug8Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Eirunepé 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 Eirunepé is worst in September — around 26 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (June, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodSep 1225 µg/m³Jun 127 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul10Good
Aug22Moderate
Sep26Moderate
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Eirunepé?

Eirunepé sits at 6.7°S, 69.9°W, 123 m above sea level, in Brazil. The nearest listed city is Feijó, 176 km away.

Benjamin ConstantAtalaia do NorteTabatingaLeticiaSena Madureira

Topography around Eirunepé

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

Within 3 km, the terrain around Eirunepé has only modest variations in elevation — a maximum elevation change of 40 m around an average of 122 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 128 m; within 80 km, only modest variations in elevation — a maximum elevation change of 149 m.

The land around Eirunepé is covered by grassland (46%) and trees (42%) within 3 km, trees (86%) within 16 km, and trees (98%) within 80 km.

3 km
40 m
16 km
128 m
80 km
149 m
treesgrasslandartificial surfaceswater
May weather nearby: Feijó 176 km · Tarauacá 194 km · Ipixuna 206 km · Benjamin Constant 255 km · Atalaia do Norte 257 km · Tabatinga 270 km · Leticia 272 km · Sena Madureira 298 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 Eirunepé (-6.6603°, -69.8736°, elevation 123 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).