Maricá weather in May

In May, Maricá sees average daytime highs of 25°C and overnight lows near 21°C, with 77 mm of rain across 11.6 wet days and about 10.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 44% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Maricá's 5th-clearest and 9th-windiest month. For the whole year in context, see Maricá's year-round climate.

Daytime high
25°
7th warmest
Overnight low
21°
6th coldest
Rainfall
77 mm
11.6 wet days
Daylight
10 h 54 min
7:20 AM – 6:15 PM
Cloud cover
48%
5th clearest
Wind
11 km/h
9th windiest
Solar energy
3.69 kWh/m²
Travel score
6.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical May day in Maricá reaches about 25°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62622
72522
82522
92522
102522
112522
122522
132522
142521
152521
162521
172521
182521
192521
202521
212521
222521
232521
242521
252421
262421
272421
282421
292421
302421
312421

How May really feels in Maricá

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.

Maricá weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°12612.213.25.6
Feb29° / 25°809.712.85.6
Mar28° / 24°12414.412.25.6
Apr27° / 23°7812.311.56.4
May25° / 21°7711.610.96.8
Jun24° / 21°427.410.67.7
Jul24° / 20°457.810.77.7
Aug24° / 20°387.511.27.7
Sep24° / 20°619.711.97.2
Oct25° / 21°7210.112.56.8
Nov26° / 22°11313.913.16.0
Dec27° / 24°12313.413.45.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% 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 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36733
46634
56535
66535
76436
86436
96337
106139
116139
126139
136040
146040
156040
166040
176040
186139
196139
206139
216139
226238
236337
246337
256337
266436
276436
286436
296535
306535
316634

Chance of precipitation in May

Any precipitation

Maricá gets around 77 mm of rain over 11.6 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
339
439
539
639
739
839
939
1040
1140
1240
1340
1440
1540
1639
1739
1839
1938
2038
2138
2237
2337
2437
2536
2636
2736
2835
2935
3034
3133

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111738421
211839401
311940391
412041371
512142351
622243331
722243321
822344311
922444301
1022445281
1122546270
1222546260
1322547250
1422648230
1532649220
1632650210
1732651200
1832652190
1932751190
2032752180
2132753170
2242753160
2342753160
2442754150
2552753150
2652754140
2762753140
2862753140
2972752140
3072752140
3172752140

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 h 12 min at the start of May to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 7:14 AM to 7:27 AM, and sunset from 6:23 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:146:23
211.17:146:23
311.17:146:22
411.17:156:21
511.17:156:21
611.17:166:20
711.17:166:19
811.07:176:19
911.07:176:18
1011.07:186:18
1111.07:186:17
1211.07:196:17
1310.97:196:16
1410.97:206:16
1510.97:206:15
1610.97:206:15
1710.97:216:14
1810.97:216:14
1910.97:226:13
2010.87:226:13
2110.87:236:13
2210.87:236:12
2310.87:246:12
2410.87:246:12
2510.87:256:11
2610.87:256:11
2710.87:266:11
2810.77:266:10
2910.77:276:10
3010.77:276:10
3110.77:276:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.69 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 6.22 kWh/m² in February across the year — May's 3.69 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.0Bright
54.0Bright
64.0Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in May

Is May a good time to visit Maricá?

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

6.8
Sightseeing
5th-best month of the year
6.1
Beach & pool
9th-best month of the year

May is a reasonable time to visit Maricá for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Maricá in May

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

In May, Maricá sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Maricá in May

The nearest coast averages about 24°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 24 km away) is warmest in March at about 25°C and coldest in August near 21°C.

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

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Maricá in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Maricá peaks around January 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 13UV 14Jul 13UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug8Very high
Sep7High
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Maricá?

Maricá sits at 22.9°S, 42.8°W, 10 m above sea level, in Brazil. The nearest listed city is Itaboraí, 20 km away.

Topography around Maricá

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

Within 3 km, the terrain around Maricá has significant variations in elevation — a maximum elevation change of 283 m around an average of 21 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 842 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.

The land around Maricá is covered by trees (38%), artificial surfaces (28%) and water (21%) within 3 km, trees (37%), water (35%) and grassland (21%) within 16 km, and trees (38%) and water (36%) within 80 km.

3 km
283 m
16 km
842 m
80 km
2,252 m
treesgrasslandartificial surfaceswaterwetlandmangroves
May weather nearby: Itaboraí 20 km · Tanguá 24 km · Niterói 29 km · Rio Bonito 32 km · Saquarema 36 km · Catete 37 km · Rio de Janeiro 37 km · Magé 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 Maricá (-22.9194°, -42.8186°, elevation 10 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).