Gandu weather in May

In May, Gandu sees average daytime highs of 26°C and overnight lows near 20°C, with 74 mm of rain across 19.2 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 14% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 30 min at the start of May to 11 h 18 min by month's end. Set against the rest of the year, May is Gandu's 9th-clearest and 8th-windiest month. For the whole year in context, see Gandu's year-round climate.

Daytime high
26°
8th warmest
Overnight low
20°
6th coldest
Rainfall
74 mm
19.2 wet days
Daylight
11 h 24 min
5:53 AM – 5:15 PM
Cloud cover
65%
9th clearest
Wind
8 km/h
8th windiest
Solar energy
3.65 kWh/m²
Travel score
5.2
out of 10

Gandu 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 26°C through the month.

A typical May day in Gandu reaches about 26°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142620
152620
162620
172620
182620
192620
202620
212620
222620
232619
242619
252619
262619
272619
282619
292619
302619
312619

How May really feels in Gandu

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Gandu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°9319.612.74.3
Feb29° / 21°7718.712.54.1
Mar29° / 21°10121.812.14.0
Apr28° / 21°9522.411.74.3
May26° / 20°7419.211.45.2
Jun25° / 19°7219.711.25.3
Jul24° / 18°802111.35.3
Aug25° / 17°7019.411.55.4
Sep26° / 18°5916.711.95.6
Oct27° / 20°6816.812.35.5
Nov28° / 21°10717.712.65.1
Dec29° / 21°9216.212.84.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44456
54456
64357
74357
84159
94159
104060
114060
123961
133862
143961
153862
163961
174060
184060
194060
204159
214159
224258
234357
244357
254456
264456
274456
284456
294357
304357
314456

Chance of precipitation in May

Any precipitation

Gandu gets around 74 mm of rain over 19.2 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 62% and peaks near 72% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
172
271
371
470
569
668
767
866
965
1065
1164
1263
1363
1462
1562
1661
1761
1860
1960
2060
2159
2259
2358
2458
2557
2657
2757
2857
2957
3058
3158

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
124355
224553
324751
434849
535047
645145
745343
855441
955639
1065638
1165836
1265935
1376033
1476132
1586131
1686230
1786329
1886329
1986428
2086527
2186527
2286626
2386725
2486725
2586824
2686923
2787022
2887121
2997120
3097219
3197318

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 30 min at the start of May to 11 h 18 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 5:50 AM to 5:58 AM, and sunset from 5:21 PM to 5:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:505:21
211.55:505:20
311.55:505:20
411.55:505:19
511.55:505:19
611.55:515:18
711.55:515:18
811.45:515:18
911.45:515:17
1011.45:525:17
1111.45:525:17
1211.45:525:16
1311.45:525:16
1411.45:535:16
1511.45:535:15
1611.45:535:15
1711.45:535:15
1811.35:545:15
1911.35:545:14
2011.35:545:14
2111.35:555:14
2211.35:555:14
2311.35:555:14
2411.35:565:14
2511.35:565:13
2611.35:565:13
2711.35:565:13
2811.35:575:13
2911.35:575:13
3011.35:575:13
3111.35:585:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.65 kWh/m².

For context, solar energy here swings from a low near 3.28 kWh/m² to a high of 5.63 kWh/m² in January across the year — May's 3.65 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.4Moderate
313.4Moderate
Planning a trip in May

Is May a good time to visit Gandu?

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

5.2
Sightseeing
6th-best month of the year
5.1
Beach & pool
8th-best month of the year

May is a reasonable time to visit Gandu for sightseeing.

What to pack for Gandu in May

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

In May, Gandu sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

Sea temperature near Gandu in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 67 km away) is warmest in March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Tropical
May28Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Gandu 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 Gandu peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 19UV 15Jun 22UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec12Extreme
Location & terrain

Where is Gandu?

Gandu sits at 13.7°S, 39.5°W, 159 m above sea level, in Brazil. The nearest listed city is Wenceslau Guimarães, 7.0 km away.

Topography around Gandu

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

Within 3 km, the terrain around Gandu has significant variations in elevation — a maximum elevation change of 270 m around an average of 208 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 520 m; within 80 km, large variations in elevation — a maximum elevation change of 970 m.

The land around Gandu is covered by trees (78%) within 3 km, trees (84%) within 16 km, and trees (63%) and grassland (24%) within 80 km.

3 km
270 m
16 km
520 m
80 km
970 m
treesgrasslandartificial surfaceswatermangroves
May weather nearby: Wenceslau Guimarães 7.0 km · Teolândia 16 km · Presidente Tancredo Neves 33 km · Ituberá 37 km · Ibirataia 40 km · Camamu 47 km · Taperoá 48 km · Ibirapitanga 48 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 Gandu (-13.7439°, -39.4867°, 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).