Maricá weather in October

In October, Maricá sees average daytime highs of 25°C and overnight lows near 21°C, with 72 mm of rain across 10.1 wet days and about 12.5 hours of daylight. It is the 8th-warmest and 8th-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 26% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Maricá's 9th-clearest and 2nd-windiest month. For the whole year in context, see Maricá's year-round climate.

Daytime high
25°
8th warmest
Overnight low
21°
5th coldest
Rainfall
72 mm
10.1 wet days
Daylight
12 h 30 min
6:20 AM – 6:53 PM
Cloud cover
61%
9th clearest
Wind
15 km/h
2nd windiest
Solar energy
5.45 kWh/m²
Travel score
6.8
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October 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 22°C and 28°C. Set against its neighbours, October runs on par with September and about 1°C cooler than November.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12421
22421
32421
42421
52421
62421
72421
82521
92521
102521
112521
122521
132521
142521
152521
162521
172521
182521
192521
202521
212521
222521
232522
242522
252522
262522
272522
282522
292522
302522
312522

How October really feels in Maricá

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October 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° / 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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54357
64357
74456
84456
94357
104258
114258
124258
134357
144258
154258
164258
174159
184159
194258
204159
214159
224258
234159
244258
254159
264159
274159
284060
294060
304060
314159

Chance of precipitation in October

Any precipitation

Maricá gets around 72 mm of rain over 10.1 wet days in October. 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 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
435
534
633
732
832
931
1031
1131
1231
1331
1431
1531
1631
1731
1832
1932
2033
2133
2234
2335
2435
2536
2637
2737
2838
2939
3039
3140

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the muggy band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1182847150
2182847160
3172747170
4172747180
5172647180
6172548190
7172448200
8162448210
9162348220
10162248230
11162148240
12162048250
13161948260
14161948270
15151848280
16151748280
17151748290
18151648300
19141648310
20141648320
21141648320
22041647330
23041647330
24041647340
25041646340
26041646340
27041645340
28041645341
29041644351
30041644351
31031644361

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 6:34 AM to 6:09 AM, and sunset from 6:47 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:346:47
212.26:336:47
312.36:326:47
412.36:316:48
512.36:306:48
612.36:296:48
712.36:286:49
812.46:276:49
912.46:266:50
1012.46:256:50
1112.46:246:50
1212.56:246:51
1312.56:236:51
1412.56:226:52
1512.56:216:52
1612.56:206:53
1712.66:196:53
1812.66:186:53
1912.66:186:54
2012.66:176:54
2112.66:166:55
2212.76:156:55
2312.76:156:56
2412.76:146:56
2512.76:136:57
2612.76:136:57
2712.86:126:58
2812.86:116:59
2912.86:116:59
3012.86:107:00
3112.86:097:00

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.45 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 — October's 5.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in October

Is October a good time to visit Maricá?

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

6.8
Sightseeing
5th-best month of the year
6.0
Beach & pool
11th-best month of the year

October is a reasonable time to visit Maricá for sightseeing.

What to pack for Maricá in October

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

In October, Maricá sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Maricá in October

The nearest coast averages about 22°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). 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
October 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).