Carolina weather in May

In May, Carolina sees average daytime highs of 32°C and overnight lows near 23°C, with 71 mm of rain across 10.4 wet days and about 11.7 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Carolina's 6th-clearest and 5th-windiest month. For the whole year in context, see Carolina's year-round climate.

Daytime high
32°
6th warmest
Overnight low
23°
6th coldest
Rainfall
71 mm
10.4 wet days
Daylight
11 h 42 min
6:16 AM – 5:56 PM
Cloud cover
60%
6th clearest
Wind
6 km/h
5th windiest
Solar energy
4.95 kWh/m²
Travel score
3.9
out of 10

Carolina 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 32°C through the month.

A typical May day in Carolina reaches about 32°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253323
263323
273323
283322
293322
303322
313322

How May really feels in Carolina

Once humidity and wind are folded in, May averages 31 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
31
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.

Carolina weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25627.712.42.8
Feb30° / 23°24825.412.22.7
Mar31° / 23°25527122.8
Apr31° / 23°17220.711.83.2
May32° / 23°7110.411.73.9
Jun33° / 22°61.111.64.2
Jul34° / 21°20.411.64.0
Aug35° / 22°20.411.83.2
Sep35° / 23°183122.9
Oct33° / 23°7411.312.23.3
Nov31° / 23°15818.912.33.3
Dec31° / 23°19823.912.43.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33664
43664
53862
63862
73961
84159
94258
104456
114654
124654
134753
144852
154852
165050
175149
185248
195248
205248
215347
225446
235545
245644
255842
265842
275941
286139
296238
306337
316535

Chance of precipitation in May

Any precipitation

Carolina gets around 71 mm of rain over 10.4 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 33% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
152
251
349
448
547
645
744
842
940
1039
1137
1236
1335
1434
1533
1632
1731
1830
1930
2029
2128
2227
2326
2425
2524
2623
2721
2820
2918
3017
3115

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 76% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
105869
205878
306868
407858
507858
608857
709847
8010846
9011836
10011845
11012835
12013825
13014824
14015814
15016804
16017803
17018793
18019783
19120763
20121762
21123742
22124732
23226711
24228691
25329671
26331651
27433621
28536581
29638551
30740521
31843491

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 36 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 6:15 AM to 6:19 AM, and sunset from 5:59 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:155:59
211.76:155:59
311.76:155:59
411.76:155:59
511.76:155:58
611.76:155:58
711.76:155:58
811.76:155:58
911.76:155:57
1011.76:155:57
1111.76:155:57
1211.76:165:57
1311.76:165:57
1411.76:165:56
1511.76:165:56
1611.76:165:56
1711.76:165:56
1811.76:165:56
1911.76:175:56
2011.66:175:56
2111.66:175:56
2211.66:175:56
2311.66:175:55
2411.66:175:55
2511.66:185:55
2611.66:185:55
2711.66:185:55
2811.66:185:55
2911.66:195:55
3011.66:195:55
3111.66:195:55

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.73 kWh/m² to a high of 6.31 kWh/m² in September across the year — May's 4.95 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Carolina

In seasonPeak

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

Carolina's monsoon runs November–April, 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 Carolina?

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

3.9
Sightseeing
3rd-best month of the year
6.3
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Carolina. The water and warmth also suit a beach or pool day.

What to pack for Carolina in May

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

In May, Carolina sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Carolina 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 Carolina peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 11UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec10Extreme

Air quality in Carolina 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 Carolina is worst in September — around 35 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (July, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateSep 2134 µg/m³Jul 107 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar12Good
Apr12Moderate
May10Good
Jun8Good
Jul7Good
Aug16Moderate
Sep35Moderate
Oct31Moderate
Nov19Moderate
Dec15Moderate
Location & terrain

Where is Carolina?

Carolina sits at 7.3°S, 47.5°W, 175 m above sea level, in Brazil. The nearest listed city is Araguaína, 84 km away.

Topography around Carolina

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

Within 3 km, the terrain around Carolina has only modest variations in elevation — a maximum elevation change of 54 m around an average of 168 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 367 m; within 80 km, significant variations in elevation — a maximum elevation change of 461 m.

The land around Carolina is covered by grassland (40%) and trees (28%) within 3 km, trees (46%) and grassland (38%) within 16 km, and grassland (46%) and trees (42%) within 80 km.

3 km
54 m
16 km
367 m
80 km
461 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Araguaína 84 km · Estreito 87 km · Riachão 93 km · Porto Franco 111 km · Tocantinópolis 112 km · Colinas do Tocantins 138 km · Balsas 159 km · São Geraldo do Araguaia 159 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 Carolina (-7.3356°, -47.4622°, elevation 175 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).