Jaru weather in May

In May, Jaru sees average daytime highs of 30°C and overnight lows near 22°C, with 75 mm of rain across 14.7 wet days and about 11.5 hours of daylight. It is the 8th-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 20% 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 Jaru's 5th-clearest and 5th-windiest month. For the whole year in context, see Jaru's year-round climate.

Daytime high
30°
8th warmest
Overnight low
22°
4th coldest
Rainfall
75 mm
14.7 wet days
Daylight
11 h 30 min
6:20 AM – 5:52 PM
Cloud cover
65%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
4.46 kWh/m²
Travel score
4.4
out of 10

Jaru 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 Jaru 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 Jaru

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.

Jaru weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°27528.212.52.9
Feb30° / 22°27126.212.32.8
Mar30° / 22°24727.912.12.9
Apr30° / 22°15323.111.83.3
May30° / 22°7514.711.54.4
Jun31° / 21°173.911.45.2
Jul33° / 20°102.211.54.7
Aug34° / 21°254.911.73.6
Sep34° / 22°8213.511.93.0
Oct32° / 23°13620.312.22.8
Nov31° / 23°19923.812.52.9
Dec30° / 23°24327.112.62.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22575
32674
42674
52773
62872
72971
82971
93169
103268
113367
123466
133565
143664
153763
163862
173961
184060
194258
204357
214357
224555
234753
244753
254951
265149
275248
285446
295545
305842
316040

Chance of precipitation in May

Any precipitation

Jaru gets around 75 mm of rain over 14.7 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 47% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
160
259
358
457
556
655
755
854
953
1052
1151
1251
1350
1449
1549
1648
1747
1847
1946
2045
2144
2243
2342
2441
2540
2639
2737
2836
2935
3033
3132

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 79% 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 (%)
10137827
20237826
30238816
40238825
50238825
60239824
71239814
81239814
91239823
1012310813
1112310813
1212310813
1312211813
1412211813
1512212812
1612212812
1712213802
1802214802
1902214802
2001315792
2101315792
2201316782
2301317781
2401417771
2501418761
2601519741
2701519741
2801620721
2901621711
3001622701
3100723691

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 6:18 AM to 6:24 AM, and sunset from 5:56 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:185:56
211.66:185:56
311.66:185:55
411.66:185:55
511.66:185:55
611.66:195:54
711.66:195:54
811.66:195:54
911.66:195:53
1011.66:195:53
1111.66:195:53
1211.66:205:53
1311.56:205:52
1411.56:205:52
1511.56:205:52
1611.56:205:52
1711.56:215:52
1811.56:215:51
1911.56:215:51
2011.56:215:51
2111.56:225:51
2211.56:225:51
2311.56:225:51
2411.56:225:51
2511.56:235:51
2611.56:235:51
2711.56:235:51
2811.56:235:50
2911.46:245:50
3011.46:245:50
3111.46:245:50

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.46 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 5.68 kWh/m² in October across the year — May's 4.46 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Jaru

In seasonPeak

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

Jaru'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 Jaru?

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

4.4
Sightseeing
3rd-best month of the year
6.1
Beach & pool
4th-best month of the year

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

What to pack for Jaru in May

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

In May, Jaru sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 15 days see rain.

light clothesrain gear

UV index in Jaru 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 Jaru peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 24UV 15Sep 12UV 3
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug6High
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Jaru 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 Jaru is worst in September — around 57 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodPoorModerateSep 1454 µg/m³Jun 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar13Moderate
Apr10Good
May9Good
Jun8Good
Jul8Good
Aug39Poor
Sep57Unhealthy
Oct24Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Jaru?

Jaru sits at 10.4°S, 62.5°W, 159 m above sea level, in Brazil. The nearest listed city is Ouro Preto do Oeste, 44 km away.

Topography around Jaru

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

Within 3 km, the terrain around Jaru has only modest variations in elevation — a maximum elevation change of 78 m around an average of 161 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 230 m; within 80 km, significant variations in elevation — a maximum elevation change of 465 m.

The land around Jaru is covered by grassland (40%), artificial surfaces (31%) and trees (27%) within 3 km, grassland (73%) and trees (25%) within 16 km, and grassland (66%) and trees (33%) within 80 km.

3 km
78 m
16 km
230 m
80 km
465 m
treesgrasslandartificial surfacesbare terrainwater
May weather nearby: Ouro Preto do Oeste 44 km · Ji Paraná 75 km · Ariquemes 86 km · Presidente Médici 103 km · Alto Paraíso 122 km · Machadinho d'Oeste 123 km · São Miguel do Guaporé 142 km · Buritis 151 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 Jaru (-10.4389°, -62.4664°, elevation 159 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).