Ji Paraná weather in May

In May, Ji Paraná sees average daytime highs of 30°C and overnight lows near 22°C, with 78 mm of rain across 14.3 wet days and about 11.5 hours of daylight. It is the 9th-warmest and 9th-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 21% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 24 min by month's end. Set against the rest of the year, May is Ji Paraná's 5th-clearest and 7th-windiest month. For the whole year in context, see Ji Paraná's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
4th coldest
Rainfall
78 mm
14.3 wet days
Daylight
11 h 30 min
6:19 AM – 5:49 PM
Cloud cover
64%
5th clearest
Wind
6 km/h
7th windiest
Solar energy
4.55 kWh/m²
Travel score
4.5
out of 10

Ji Paraná 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 Ji Paraná reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°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 about 1°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243021
253021
263021
273021
283021
293021
303021
313021

How May really feels in Ji Paraná

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.

Ji Paraná weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°27028.512.62.9
Feb29° / 23°26126.112.42.9
Mar30° / 23°24127.812.12.9
Apr30° / 22°14822.311.83.4
May30° / 22°7814.311.54.5
Jun31° / 21°183.711.45.4
Jul32° / 20°11211.44.9
Aug34° / 21°244.511.63.8
Sep33° / 23°8013.411.93.1
Oct32° / 23°14319.912.22.9
Nov31° / 23°21224.312.52.9
Dec30° / 23°24826.712.63.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 58%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22971
33070
43070
53070
63169
73268
83466
93466
103466
113664
123664
133862
143961
154060
164159
174357
184258
194357
204456
214555
224753
234951
245149
255248
265446
275545
285743
295941
306139
316238

Chance of precipitation in May

Any precipitation

Ji Paraná gets around 78 mm of rain over 14.3 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 46% and peaks near 57% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
157
256
355
454
554
653
753
852
951
1051
1150
1249
1349
1448
1547
1647
1746
1845
1945
2044
2143
2242
2341
2440
2539
2638
2737
2835
2934
3033
3131

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 76% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10138808
20238798
30239797
40239797
50239806
60239806
712310786
812310786
912310786
1012310795
1112310795
1212311785
1312311785
1412312775
1512312775
1612313765
1712313774
1802314774
1902315764
2002316754
2101316773
2201317763
2301318753
2401418752
2501419742
2601420732
2701520722
2801521712
2901622701
3001623691
3101624681

Wind in May

Winds average 6 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
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 36 min at the start of May to 11 h 24 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 6:16 AM to 6:23 AM, and sunset from 5:54 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:165:54
211.66:175:53
311.66:175:53
411.66:175:52
511.66:175:52
611.66:175:52
711.66:175:51
811.66:175:51
911.66:185:51
1011.56:185:51
1111.56:185:50
1211.56:185:50
1311.56:185:50
1411.56:195:50
1511.56:195:49
1611.56:195:49
1711.56:195:49
1811.56:195:49
1911.56:205:49
2011.56:205:48
2111.56:205:48
2211.56:205:48
2311.56:215:48
2411.56:215:48
2511.46:215:48
2611.46:215:48
2711.46:225:48
2811.46:225:48
2911.46:225:48
3011.46:225:48
3111.46:235:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.55 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 5.87 kWh/m² in October across the year — May's 4.55 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.6Bright
314.6Bright
Planning a trip in May

Hazard calendar for Ji Paraná

In seasonPeak

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

Ji Paraná's rainy season runs October–April, 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 Ji Paraná?

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

4.5
Sightseeing
3rd-best month of the year
6.2
Beach & pool
4th-best month of the year

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

What to pack for Ji Paraná in May

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

In May, Ji Paraná sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Ji Paraná 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 Ji Paraná peaks around January 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 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 23UV 15Sep 13UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug7High
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Ji Paraná 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 Ji Paraná is worst in September — around 52 µg/m³ PM2.5 (poor), about 6.8× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModeratePoorModerateSep 1449 µg/m³Jun 228 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar12Moderate
Apr10Good
May9Good
Jun8Good
Jul8Good
Aug35Moderate
Sep52Poor
Oct22Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Ji Paraná?

Ji Paraná sits at 10.9°S, 62.0°W, 157 m above sea level, in Brazil. The nearest listed city is Ouro Preto do Oeste, 33 km away.

Topography around Ji Paraná

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

Within 3 km, the terrain around Ji Paraná has only modest variations in elevation — a maximum elevation change of 53 m around an average of 151 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 166 m; within 80 km, significant variations in elevation — a maximum elevation change of 462 m.

The land around Ji Paraná is covered by artificial surfaces (43%) and trees (32%) within 3 km, grassland (67%) and trees (27%) within 16 km, and grassland (62%) and trees (37%) within 80 km.

3 km
53 m
16 km
166 m
80 km
462 m
treesgrasslandartificial surfacesbare terrainwater
May weather nearby: Ouro Preto do Oeste 33 km · Presidente Médici 33 km · Jaru 75 km · Cacoal 83 km · Rolim de Moura 103 km · Pimenta Bueno 120 km · Alta Floresta d'Oeste 120 km · São Miguel do Guaporé 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 Ji Paraná (-10.8853°, -61.9517°, elevation 157 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).