Pantanal weather in May

In May, Pantanal sees average daytime highs of 23°C and overnight lows near 17°C, with 105 mm of rain across 10.5 wet days and about 10.7 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Pantanal's 1st-clearest and 8th-windiest month. For the whole year in context, see Pantanal's year-round climate.

Daytime high
23°
8th warmest
Overnight low
17°
5th coldest
Rainfall
105 mm
10.5 wet days
Daylight
10 h 36 min
7:51 AM – 6:29 PM
Cloud cover
56%
1st clearest
Wind
11 km/h
8th windiest
Solar energy
3.07 kWh/m²
Travel score
6.7
out of 10

Pantanal 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

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical May day in Pantanal reaches about 23°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12418
22418
32418
42418
52418
62318
72318
82318
92318
102318
112317
122317
132317
142317
152317
162317
172217
182217
192217
202217
212217
222217
232216
242216
252216
262216
272216
282216
292116
302116
312116

Pantanal 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
Jan28° / 23°1841913.54.9
Feb28° / 23°15617.3134.9
Mar27° / 22°12417.412.25.4
Apr25° / 20°8610.911.46.6
May23° / 17°10510.510.76.7
Jun21° / 15°948.910.36.6
Jul20° / 14°868.910.46.5
Aug21° / 15°848.6116.7
Sep21° / 16°13612.511.85.9
Oct23° / 18°12613.712.75.9
Nov25° / 20°11714.513.46.0
Dec27° / 21°1301513.75.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25545
35545
45545
55644
65545
75545
85545
95545
105545
115446
125446
135446
145446
155446
165347
175347
185347
195248
205248
215347
225347
235347
245248
255347
265446
275446
285446
295446
305545
315545

Chance of precipitation in May

Any precipitation

Pantanal gets around 105 mm of rain over 10.5 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
232
332
433
533
633
733
833
933
1034
1134
1235
1335
1435
1536
1636
1736
1836
1936
2036
2136
2235
2335
2434
2534
2633
2733
2832
2931
3031
3130

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1101933299
2102033288
3112133287
4112233276
5122333275
6122433265
7132533254
8132533253
9132634243
10142733243
11142733232
12142733232
13152733231
14152733231
15162733231
16172732231
17172732231
18182632231
19192632231
20202631220
21212531220
22222531210
23232531200
24242531190
25262531180
26272531170
27282531160
28292530150
29302630140
30312630130
31322630120

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:42 AM to 8:00 AM, and sunset from 6:40 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:426:40
210.97:436:39
310.97:446:39
410.97:446:38
510.97:456:37
610.87:456:36
710.87:466:35
810.87:466:35
910.87:476:34
1010.87:486:33
1110.77:486:33
1210.77:496:32
1310.77:496:31
1410.77:506:31
1510.77:516:30
1610.67:516:29
1710.67:526:29
1810.67:526:28
1910.67:536:28
2010.67:536:27
2110.57:546:27
2210.57:556:26
2310.57:556:26
2410.57:566:26
2510.57:566:25
2610.57:576:25
2710.57:576:25
2810.47:586:24
2910.47:586:24
3010.47:596:24
3110.48:006:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.07 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 5.83 kWh/m² in December across the year — May's 3.07 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit Pantanal?

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

6.7
Sightseeing
1st-best month of the year
5.0
Beach & pool
7th-best month of the year

May is a reasonable time to visit Pantanal for sightseeing.

What to pack for Pantanal in May

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

In May, Pantanal sees daytime highs around 23°C and nights near 17°C. Worth packing: light clothes and rain gear. About 11 days see rain.

light clothesrain gear

Sea temperature near Pantanal in May

The nearest coast averages about 22°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 14 km away) is warmest in February at about 26°C and coldest in August near 18°C.

It's comfortable for a long swim from Oct 8 to Jun 8 — about 8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar25Warm
Apr24Refreshing
May22Refreshing
Jun20Cool
Jul18Cool
Aug18Cool
Sep19Cool
Oct21Refreshing
Nov22Refreshing
Dec24Warm

UV index in Pantanal in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pantanal peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jul 11UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun5Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Pantanal?

Pantanal sits at 27.6°S, 48.5°W, 0 m above sea level, in Brazil. The nearest listed city is Trindade, 3.0 km away.

Topography around Pantanal

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

Within 3 km, the terrain around Pantanal has significant variations in elevation — a maximum elevation change of 438 m around an average of 95 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 535 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,552 m.

The land around Pantanal is covered by trees (54%) and artificial surfaces (28%) within 3 km, water (57%) and trees (23%) within 16 km, and trees (48%) and water (41%) within 80 km.

3 km
438 m
16 km
535 m
80 km
1,552 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Trindade 3.0 km · Florianopolis 4.0 km · Campinas 9.0 km · Ribeirão da Ilha 10 km · São José 11 km · Freguesia do Ribeirao da Ilha 13 km · Palhoça 15 km · Biguaçu 19 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 Pantanal (-27.6099°, -48.5165°, elevation 0 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).