Tibau do Sul weather in May

In May, Tibau do Sul sees average daytime highs of 28°C and overnight lows near 25°C, with 154 mm of rain across 23.2 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 46% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Tibau do Sul's 8th-clearest and 8th-windiest month. For the whole year in context, see Tibau do Sul's year-round climate.

Daytime high
28°
7th warmest
Overnight low
25°
7th coldest
Rainfall
154 mm
23.2 wet days
Daylight
11 h 42 min
5:25 AM – 5:08 PM
Cloud cover
50%
8th clearest
Wind
19 km/h
8th windiest
Solar energy
4.91 kWh/m²
Travel score
4.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical May day in Tibau do Sul reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282725
292725
302725
312724

How May really feels in Tibau do Sul

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.

Tibau do Sul weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°6116.612.35.1
Feb28° / 25°8416.312.24.8
Mar29° / 25°12221124.4
Apr28° / 25°17223.511.94.1
May28° / 25°15423.211.74.7
Jun27° / 24°17924.211.64.6
Jul26° / 23°1552511.74.7
Aug26° / 23°6819.911.85.5
Sep27° / 24°3714.7126.2
Oct27° / 24°229.312.16.9
Nov28° / 25°208.212.36.9
Dec28° / 25°3211.412.45.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% 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 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35743
45743
55842
65941
76040
86139
96238
106337
116337
126436
136535
146535
156634
166634
176733
186733
196832
206832
216832
226832
237030
247030
257030
267129
277129
287129
297228
307228
317228

Chance of precipitation in May

Any precipitation

Tibau do Sul gets around 154 mm of rain over 23.2 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 75% and peaks near 80% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
277
376
476
575
675
774
874
973
1073
1173
1273
1373
1472
1573
1673
1773
1873
1974
2074
2175
2275
2376
2476
2577
2677
2778
2878
2979
3079
3180

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
108614
208614
308713
408713
508812
608812
708911
808911
909010
1009010
110919
120919
130928
140928
150937
160937
170946
180946
190946
200955
210955
220964
230964
241954
251963
261963
271963
281972
291972
302962
312971

Wind in May

Winds average 19 km/h in May.

Across May, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:24 AM to 5:28 AM, and sunset from 5:11 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:245:11
211.85:245:11
311.85:245:11
411.85:245:10
511.85:245:10
611.85:245:10
711.85:245:10
811.85:245:09
911.75:245:09
1011.75:245:09
1111.75:245:09
1211.75:255:09
1311.75:255:09
1411.75:255:08
1511.75:255:08
1611.75:255:08
1711.75:255:08
1811.75:255:08
1911.75:255:08
2011.75:265:08
2111.75:265:08
2211.75:265:08
2311.75:265:08
2411.75:265:08
2511.75:265:08
2611.75:275:08
2711.75:275:08
2811.75:275:08
2911.75:275:08
3011.75:275:08
3111.75:285:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.91 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.33 kWh/m² in November across the year — May's 4.91 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Tibau do Sul

In seasonPeak

In May, Tibau do Sul sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Tibau do Sul's rainy season runs February–July, 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 Tibau do Sul?

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

4.7
Sightseeing
8th-best month of the year
4.9
Beach & pool
9th-best month of the year

May is a reasonable time to visit Tibau do Sul for sightseeing.

What to pack for Tibau do Sul in May

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

In May, Tibau do Sul sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Tibau do Sul 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 25 km away) is warmest in April at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Tibau do Sul in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tibau do Sul peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Tibau do Sul?

Tibau do Sul sits at 6.2°S, 35.1°W, 39 m above sea level, in Brazil. The nearest listed city is Goianinha, 16 km away.

Topography around Tibau do Sul

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

Within 3 km, the terrain around Tibau do Sul has only modest variations in elevation — a maximum elevation change of 79 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, significant variations in elevation — a maximum elevation change of 554 m.

The land around Tibau do Sul is covered by water (64%) within 3 km, water (46%) and grassland (24%) within 16 km, and grassland (40%) and water (34%) within 80 km.

3 km
79 m
16 km
109 m
80 km
554 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Goianinha 16 km · Nísia Floresta 17 km · São José de Mipibu 20 km · Canguaretama 22 km · Monte Alegre 30 km · Parnamirim 36 km · Santo Antônio 45 km · Natal 45 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 Tibau do Sul (-6.1867°, -35.0919°, elevation 39 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).