Marechal Deodoro weather in May

In May, Marechal Deodoro sees average daytime highs of 28°C and overnight lows near 23°C, with 124 mm of rain across 22.3 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 3rd-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 29% 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 30 min by month's end. Set against the rest of the year, May is Marechal Deodoro's 12th-clearest and 12th-windiest month. For the whole year in context, see Marechal Deodoro's year-round climate.

Daytime high
28°
8th warmest
Overnight low
23°
6th coldest
Rainfall
124 mm
22.3 wet days
Daylight
11 h 36 min
5:33 AM – 5:07 PM
Cloud cover
58%
12th clearest
Wind
9 km/h
12th windiest
Solar energy
4.45 kWh/m²
Travel score
4.3
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 Marechal Deodoro reaches about 28°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292822
302822
312822

How May really feels in Marechal Deodoro

Once humidity and wind are folded in, May averages 6 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
6
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.

Marechal Deodoro weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°5615.612.54.3
Feb30° / 24°5816.612.33.9
Mar31° / 24°6918.912.13.9
Apr30° / 24°9919.711.84.0
May28° / 23°12422.311.64.3
Jun27° / 22°13423.711.44.5
Jul27° / 21°13224.511.54.6
Aug27° / 21°8622.311.74.9
Sep28° / 22°5917.511.95.4
Oct29° / 22°4814.612.25.3
Nov30° / 23°3611.212.45.1
Dec30° / 24°331212.64.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of May, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45149
55248
65347
75347
85347
95446
105545
115545
125644
135545
145644
155644
165644
175743
185644
195644
205644
215743
225644
235743
245743
255743
265743
275842
285941
295842
305941
316040

Chance of precipitation in May

Any precipitation

Marechal Deodoro gets around 124 mm of rain over 22.3 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 72% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
170
270
371
471
571
671
771
871
971
1070
1170
1270
1370
1470
1570
1671
1771
1871
1972
2072
2172
2273
2373
2473
2574
2674
2774
2874
2975
3075
3175

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 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13925
23934
33934
43934
53943
63943
74933
84942
94942
104942
114942
124951
134951
145941
155941
165941
175941
186931
196931
206931
216931
226931
236931
246931
256931
266931
276931
286931
296931
307930
317930

Wind in May

Winds average 9 km/h in May, the calmest month.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 30 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 5:31 AM to 5:37 AM, and sunset from 5:11 PM to 5:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:315:11
211.75:315:10
311.65:315:10
411.65:315:10
511.65:315:09
611.65:315:09
711.65:325:09
811.65:325:08
911.65:325:08
1011.65:325:08
1111.65:325:08
1211.65:325:07
1311.65:335:07
1411.65:335:07
1511.65:335:07
1611.65:335:07
1711.65:335:06
1811.55:345:06
1911.55:345:06
2011.55:345:06
2111.55:345:06
2211.55:345:06
2311.55:355:06
2411.55:355:06
2511.55:355:05
2611.55:355:05
2711.55:365:05
2811.55:365:05
2911.55:365:05
3011.55:365:05
3111.55:375:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.45 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6.39 kWh/m² in November across the year — May's 4.45 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Marechal Deodoro

In seasonPeak

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

Marechal Deodoro's rainy season runs March–August, 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 Marechal Deodoro?

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

4.3
Sightseeing
8th-best month of the year
5.1
Beach & pool
9th-best month of the year

May is a reasonable time to visit Marechal Deodoro for sightseeing.

What to pack for Marechal Deodoro in May

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

In May, Marechal Deodoro sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. About 22 days see rain.

light clothesrain gear

Sea temperature near Marechal Deodoro 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 18 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
Mar28Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Marechal Deodoro in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Marechal Deodoro peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (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 9
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Marechal Deodoro?

Marechal Deodoro sits at 9.7°S, 35.9°W, 12 m above sea level, in Brazil. The nearest listed city is Pilar, 14 km away.

Topography around Marechal Deodoro

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

Within 3 km, the terrain around Marechal Deodoro has only modest variations in elevation — a maximum elevation change of 98 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, large variations in elevation — a maximum elevation change of 909 m.

The land around Marechal Deodoro is covered by water (38%) and grassland (26%) within 3 km, grassland (28%), water (26%) and cropland (20%) within 16 km, and grassland (41%) and water (31%) within 80 km.

3 km
98 m
16 km
137 m
80 km
909 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Pilar 14 km · Satuba 18 km · Maceió 18 km · São Miguel dos Campos 23 km · Rio Largo 26 km · Atalaia 27 km · Boca da Mata 36 km · Messias 37 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 Marechal Deodoro (-9.7103°, -35.895°, elevation 12 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).