Jacundá weather in May

In May, Jacundá sees average daytime highs of 31°C and overnight lows near 23°C, with 145 mm of rain across 20.3 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 12% 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 48 min by month's end. Set against the rest of the year, May is Jacundá's 6th-clearest and 7th-windiest month. For the whole year in context, see Jacundá's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
6th coldest
Rainfall
145 mm
20.3 wet days
Daylight
11 h 48 min
6:19 AM – 6:07 PM
Cloud cover
71%
6th clearest
Wind
5 km/h
7th windiest
Solar energy
4.5 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 31°C through the month.

A typical May day in Jacundá reaches about 31°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How May really feels in Jacundá

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.

Jacundá weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°32028.712.22.6
Feb30° / 23°32026.412.12.6
Mar30° / 23°36029.1122.6
Apr31° / 23°27227.411.92.6
May31° / 23°14520.311.83.2
Jun33° / 22°438.411.73.9
Jul34° / 22°214.811.83.5
Aug35° / 23°122.711.93.1
Sep34° / 24°244.9123.2
Oct34° / 24°5611.212.13.1
Nov32° / 24°13017.512.23.0
Dec31° / 23°2012412.32.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21585
31684
41684
51882
61882
72080
82179
92278
102476
112575
122773
132971
142971
153169
163268
173367
183466
193565
203664
213862
223862
234060
244159
254258
264357
274456
284654
294753
304951
315050

Chance of precipitation in May

Any precipitation

Jacundá gets around 145 mm of rain over 20.3 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 65% 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
282
381
479
578
676
774
873
971
1069
1168
1267
1366
1465
1564
1664
1763
1863
1962
2061
2161
2260
2359
2458
2557
2656
2755
2853
2951
3049
3147

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
105050
205050
305050
405050
505149
605149
705149
805248
905248
1005347
1105347
1205446
1305446
1405545
1505644
1605743
1705842
1805941
1906040
2006139
2106238
2206337
2306535
2406634
2516732
2616831
2717029
2827028
2927226
3027424
3137423

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 6 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
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 6:18 AM to 6:21 AM, and sunset from 6:09 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:186:09
211.86:186:09
311.86:186:09
411.86:186:08
511.86:186:08
611.86:186:08
711.86:186:08
811.86:186:08
911.86:186:07
1011.86:186:07
1111.86:186:07
1211.86:186:07
1311.86:196:07
1411.86:196:07
1511.86:196:07
1611.86:196:07
1711.86:196:07
1811.86:196:07
1911.86:196:06
2011.86:196:06
2111.86:196:06
2211.86:196:06
2311.86:206:06
2411.86:206:06
2511.86:206:06
2611.86:206:06
2711.86:206:07
2811.86:206:07
2911.86:216:07
3011.86:216:07
3111.86:216:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.5 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 6.09 kWh/m² in September across the year — May's 4.5 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Jacundá

In seasonPeak

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

Jacundá's monsoon runs December–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 Jacundá?

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

3.2
Sightseeing
3rd-best month of the year
4.9
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Jacundá.

What to pack for Jacundá in May

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

In May, Jacundá sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Jacundá 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 Jacundá peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highMar 13UV 15Dec 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec10Very high

Air quality in Jacundá 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 Jacundá is worst in November — around 39 µg/m³ PM2.5 (poor), about 4.4× the cleanest month (June, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateNov 939 µg/m³Jun 139 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May10Good
Jun9Good
Jul11Good
Aug16Moderate
Sep24Moderate
Oct38Poor
Nov39Poor
Dec23Moderate
Location & terrain

Where is Jacundá?

Jacundá sits at 4.4°S, 49.1°W, 100 m above sea level, in Brazil. The nearest listed city is Breu Branco, 66 km away.

Topography around Jacundá

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

Within 3 km, the terrain around Jacundá has only modest variations in elevation — a maximum elevation change of 50 m around an average of 104 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, significant variations in elevation — a maximum elevation change of 342 m.

The land around Jacundá is covered by grassland (64%) within 3 km, grassland (63%) and trees (35%) within 16 km, and trees (48%) and grassland (42%) within 80 km.

3 km
50 m
16 km
152 m
80 km
342 m
treesgrasslandartificial surfaceswaterwetland
May weather nearby: Breu Branco 66 km · Goianésia do Pará 67 km · Novo Repartimento 77 km · Itupiranga 80 km · Bom Jesus do Tocantins 88 km · Tucuruí 98 km · Marabá 104 km · Rondon do Pará 122 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 Jacundá (-4.447°, -49.1156°, elevation 100 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).