Dianópolis weather in May

In May, Dianópolis sees average daytime highs of 31°C and overnight lows near 20°C, with 29 mm of rain across 4.3 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 8th-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 41% of the time in May, and the air most often feels humid.

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 Dianópolis's 5th-clearest and 5th-windiest month. For the whole year in context, see Dianópolis's year-round climate.

Daytime high
31°
5th warmest
Overnight low
20°
4th coldest
Rainfall
29 mm
4.3 wet days
Daylight
11 h 30 min
6:20 AM – 5:48 PM
Cloud cover
51%
5th clearest
Wind
8 km/h
5th windiest
Solar energy
5.07 kWh/m²
Travel score
5.1
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 Dianópolis reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°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 on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123120
133120
143120
153120
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120
313120

How May really feels in Dianópolis

Once humidity and wind are folded in, May averages 14 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
14
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.

Dianópolis weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°26624.312.63.5
Feb29° / 21°23721.612.43.5
Mar30° / 21°24522.912.13.6
Apr30° / 21°11613.711.74.3
May31° / 20°294.311.55.1
Jun31° / 19°20.411.35.8
Jul31° / 19°0011.45.8
Aug33° / 20°10.211.64.7
Sep34° / 22°182.311.93.5
Oct33° / 22°9710.612.33.3
Nov31° / 22°22019.212.53.6
Dec30° / 21°24420.612.73.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45545
55545
65644
75644
85644
95644
105644
115743
125743
135743
145842
155941
166040
176238
186337
196436
206535
216733
226832
237030
247129
257228
267426
277525
287525
297723
307822
317822

Chance of precipitation in May

Any precipitation

Dianópolis gets around 29 mm of rain over 4.3 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 14% and peaks near 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
124
223
323
422
521
620
720
819
918
1017
1117
1216
1315
1414
1514
1613
1713
1812
1912
2011
2111
2210
2310
249
258
268
277
287
296
306
315

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
103265615
203285514
304295413
404315312
505335111
605344911
706364810
806384610
90739459
100741448
110842428
120843417
130945407
140946396
1501047385
1601048375
1701149364
1811149354
1911250353
2011350343
2111351332
2211451322
2311551312
2411651302
2511851291
2621951271
2722051261
2822251241
2922451221
3022650211
3122850191

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
299calm
309calm
319calm

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 6:17 AM to 6:23 AM, and sunset from 5:52 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:175:52
211.66:175:52
311.66:175:51
411.66:175:51
511.66:175:51
611.56:175:50
711.56:185:50
811.56:185:50
911.56:185:49
1011.56:185:49
1111.56:185:49
1211.56:195:48
1311.56:195:48
1411.56:195:48
1511.56:195:48
1611.56:205:48
1711.56:205:47
1811.56:205:47
1911.46:205:47
2011.46:205:47
2111.46:215:47
2211.46:215:46
2311.46:215:46
2411.46:225:46
2511.46:225:46
2611.46:225:46
2711.46:225:46
2811.46:235:46
2911.46:235:46
3011.46:235:46
3111.46:235:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.07 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.07 kWh/m² to a high of 6.4 kWh/m² in September across the year — May's 5.07 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Dianópolis

In seasonPeak

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

Dianópolis's monsoon runs November–March, 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 Dianópolis?

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

5.1
Sightseeing
3rd-best month of the year
7.6
Beach & pool
4th-best month of the year

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

What to pack for Dianópolis in May

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

In May, Dianópolis sees daytime highs around 31°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Dianópolis 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 Dianópolis peaks around February 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 15Jun 22UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Extreme
Sep13Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Dianópolis 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 Dianópolis is worst in September — around 24 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (June, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2023 µg/m³Jun 185 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr6Good
May6Good
Jun5Good
Jul5Good
Aug13Moderate
Sep24Moderate
Oct21Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Dianópolis?

Dianópolis sits at 11.6°S, 46.8°W, 699 m above sea level, in Brazil. The nearest listed city is Luis Eduardo Magalhães, 124 km away.

Topography around Dianópolis

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

Within 3 km, the terrain around Dianópolis has only modest variations in elevation — a maximum elevation change of 170 m around an average of 684 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 430 m; within 80 km, large variations in elevation — a maximum elevation change of 655 m.

The land around Dianópolis is covered by trees (50%) and grassland (20%) within 3 km, trees (41%), grassland (29%) and shrubs (28%) within 16 km, and grassland (35%), shrubs (31%) and trees (20%) within 80 km.

3 km
170 m
16 km
430 m
80 km
655 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Luis Eduardo Magalhães 124 km · Campos Belos 157 km · Formosa do Rio Preto 189 km · Porto Nacional 202 km · Barreiras 208 km · Riachão das Neves 208 km · São Desidério 217 km · Corrente 224 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 Dianópolis (-11.6278°, -46.8206°, elevation 699 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).