Diamantina weather in May

In May, Diamantina sees average daytime highs of 24°C and overnight lows near 14°C, with 26 mm of rain across 5.4 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 18 min at the start of May to 11 hours by month's end. Set against the rest of the year, May is Diamantina's 5th-clearest and 12th-windiest month. For the whole year in context, see Diamantina's year-round climate.

Daytime high
24°
10th warmest
Overnight low
14°
4th coldest
Rainfall
26 mm
5.4 wet days
Daylight
11 h 06 min
7:16 AM – 6:25 PM
Cloud cover
56%
5th clearest
Wind
6 km/h
12th windiest
Solar energy
4.1 kWh/m²
Travel score
7.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical May day in Diamantina reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82415
92415
102415
112414
122414
132414
142414
152414
162414
172414
182414
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

Diamantina weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°18816.3135.4
Feb27° / 18°12612.512.65.8
Mar27° / 18°14715.812.15.6
Apr26° / 16°7610.711.66.6
May24° / 14°265.411.27.7
Jun23° / 13°81.910.98.3
Jul23° / 12°61.5118.5
Aug24° / 13°92.311.48.5
Sep26° / 14°365.711.97.4
Oct27° / 16°10511.112.46.3
Nov26° / 17°22618.912.95.0
Dec26° / 18°27020.313.14.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35743
45743
55644
65644
75545
85347
95248
105248
115149
125050
135050
144951
154951
164951
174951
185050
195050
205149
215149
225248
235446
245446
255545
265644
275644
285743
295842
305941
315941

Chance of precipitation in May

Any precipitation

Diamantina gets around 26 mm of rain over 5.4 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 17% and peaks near 21% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
121
221
320
420
519
619
719
819
919
1019
1119
1219
1319
1419
1519
1618
1718
1818
1918
2017
2117
2217
2316
2415
2515
2614
2714
2813
2912
3012
3111

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1939484
21041463
31142443
41244423
51345402
61347382
71448362
81449352
91550342
101551331
111551331
121651321
131651321
141750321
151750321
161751320
171850320
181850320
191849320
201949320
211949310
222050310
232050300
242151280
252251270
262351260
272353240
282453230
292554210
302556190
312656180

Wind in May

Winds average 6 km/h in May, the calmest month.

Across May, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
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 18 min at the start of May to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 7:11 AM to 7:22 AM, and sunset from 6:32 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:116:32
211.37:116:31
311.37:126:31
411.37:126:30
511.37:126:30
611.37:136:29
711.37:136:29
811.27:136:28
911.27:146:28
1011.27:146:27
1111.27:156:27
1211.27:156:27
1311.27:156:26
1411.27:166:26
1511.27:166:25
1611.17:166:25
1711.17:176:25
1811.17:176:24
1911.17:176:24
2011.17:186:24
2111.17:186:23
2211.17:196:23
2311.17:196:23
2411.17:196:23
2511.07:206:23
2611.07:206:22
2711.07:206:22
2811.07:216:22
2911.07:216:22
3011.07:226:22
3111.07:226:22

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.1 kWh/m².

For context, solar energy here swings from a low near 3.89 kWh/m² to a high of 6.02 kWh/m² in February across the year — May's 4.1 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.2Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in May

Hazard calendar for Diamantina

In seasonPeak

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

Diamantina'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 Diamantina?

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

7.7
Sightseeing
4th-best month of the year
6.5
Beach & pool
5th-best month of the year

May is one of the better times to visit Diamantina for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Diamantina in May

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

In May, Diamantina sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes. About 5 days see rain.

light clothes

UV index in Diamantina in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Diamantina peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 13UV 15Jun 23UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Diamantina 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 Diamantina is worst in September — around 15 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (July, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2015 µg/m³Jul 144 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar5Good
Apr5Good
May5Good
Jun4Good
Jul4Good
Aug5Good
Sep15Moderate
Oct12Moderate
Nov7Good
Dec6Good
Location & terrain

Where is Diamantina?

Diamantina sits at 18.2°S, 43.6°W, 1,281 m above sea level, in Brazil. The nearest listed city is Serro, 46 km away.

Topography around Diamantina

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

Within 3 km, the terrain around Diamantina has significant variations in elevation — a maximum elevation change of 317 m around an average of 1,224 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 868 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,528 m.

The land around Diamantina is covered by grassland (65%) within 3 km, grassland (68%) and trees (26%) within 16 km, and trees (46%) and grassland (42%) within 80 km.

3 km
317 m
16 km
868 m
80 km
1,528 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Serro 46 km · Itamarandiba 90 km · Conceição do Mato Dentro 90 km · Corinto 91 km · Guanhães 92 km · São João Evangelista 95 km · Curvelo 104 km · Peçanha 115 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 Diamantina (-18.2469°, -43.6035°, elevation 1,281 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).