Guaçuí weather in May

In May, Guaçuí sees average daytime highs of 24°C and overnight lows near 15°C, with 56 mm of rain across 9.5 wet days and about 11 hours of daylight. It is the 9th-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 30% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 48 min by month's end. Set against the rest of the year, May is Guaçuí's 5th-clearest and 10th-windiest month. For the whole year in context, see Guaçuí's year-round climate.

Daytime high
24°
9th warmest
Overnight low
15°
4th coldest
Rainfall
56 mm
9.5 wet days
Daylight
11 hours
7:13 AM – 6:13 PM
Cloud cover
57%
5th clearest
Wind
6 km/h
10th windiest
Solar energy
3.71 kWh/m²
Travel score
7.0
out of 10

Guaçuí 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 24°C through the month.

A typical May day in Guaçuí reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12516
22516
32516
42516
52516
62516
72516
82516
92515
102515
112415
122415
132415
142415
152415
162415
172415
182415
192415
202415
212415
222415
232415
242415
252415
262415
272415
282415
292415
302415
312415

Guaçuí 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
Jan29° / 20°19516.413.14.7
Feb29° / 19°13612.712.74.8
Mar28° / 19°19618.712.14.9
Apr26° / 17°10514.211.55.9
May24° / 15°569.5117.0
Jun24° / 14°27610.87.7
Jul24° / 14°225.610.97.8
Aug24° / 14°275.811.37.8
Sep25° / 15°741011.96.8
Oct26° / 17°12813.712.55.9
Nov26° / 18°23319134.9
Dec27° / 19°27821.513.24.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35545
45446
55446
65446
75347
85248
95149
104951
114951
124852
134654
144654
154555
164555
174555
184555
194654
204753
214852
224951
234951
245149
255248
265347
275347
285545
295644
305743
315842

Chance of precipitation in May

Any precipitation

Guaçuí gets around 56 mm of rain over 9.5 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 32% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
335
434
533
632
732
831
931
1031
1131
1231
1332
1432
1532
1633
1733
1833
1933
2033
2132
2232
2332
2432
2531
2630
2730
2829
2928
3027
3126

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12225125
22235223
32245321
42255419
53265417
63275416
73285415
83295513
93305512
104315411
114315510
12432559
13432559
14533548
15533557
16534547
17534556
18535555
19635545
20636544
21637534
22637534
23738523
24739513
25740503
26841493
27841482
28842482
29843472
30943462
31944452

Wind in May

Winds average 6 km/h in May.

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 12 min at the start of May to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 7:06 AM to 7:19 AM, and sunset from 6:21 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:066:21
211.27:076:21
311.27:076:20
411.27:086:20
511.27:086:19
611.27:086:18
711.17:096:18
811.17:096:17
911.17:106:17
1011.17:106:16
1111.17:106:16
1211.17:116:15
1311.17:116:15
1411.07:126:14
1511.07:126:14
1611.07:136:13
1711.07:136:13
1811.07:136:13
1911.07:146:12
2011.07:146:12
2110.97:156:12
2210.97:156:11
2310.97:156:11
2410.97:166:11
2510.97:166:10
2610.97:176:10
2710.97:176:10
2810.97:186:10
2910.97:186:10
3010.97:186:10
3110.87:196:09

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.71 kWh/m².

For context, solar energy here swings from a low near 3.54 kWh/m² to a high of 6.05 kWh/m² in February across the year — May's 3.71 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Moderate
64.0Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Guaçuí

In seasonPeak

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

Guaçuí's rainy season runs October–March, 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 Guaçuí?

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

7.0
Sightseeing
4th-best month of the year
6.0
Beach & pool
6th-best month of the year

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

What to pack for Guaçuí in May

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

In May, Guaçuí sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Guaçuí in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guaçuí peaks around February 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 11UV 15Jun 21UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Guaçuí?

Guaçuí sits at 20.8°S, 41.7°W, 597 m above sea level, in Brazil. The nearest listed city is Alegre, 15 km away.

Topography around Guaçuí

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

Within 3 km, the terrain around Guaçuí has significant variations in elevation — a maximum elevation change of 340 m around an average of 663 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,092 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,840 m.

The land around Guaçuí is covered by grassland (56%) and trees (36%) within 3 km, grassland (59%) and trees (39%) within 16 km, and grassland (54%) and trees (45%) within 80 km.

3 km
340 m
16 km
1,092 m
80 km
2,840 m
treesgrasslandartificial surfaces
May weather nearby: Alegre 15 km · Espera Feliz 27 km · Carangola 37 km · Bom Jesus do Itabapoana 40 km · Natividade 43 km · Porciúncula 43 km · Muniz Freire 44 km · Mimoso do Sul 46 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 Guaçuí (-20.7756°, -41.6794°, elevation 597 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).