Conceição de Macabu weather in March

In March, Conceição de Macabu sees average daytime highs of 30°C and overnight lows near 22°C, with 181 mm of rain across 18.7 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 22% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Conceição de Macabu's 8th-clearest and 10th-windiest month. For the whole year in context, see Conceição de Macabu's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
181 mm
18.7 wet days
Daylight
12 h 12 min
6:52 AM – 7:02 PM
Cloud cover
66%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
5.08 kWh/m²
Travel score
3.9
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical March day in Conceição de Macabu reaches about 30°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233021
243021
253021
263021
273021
283021
293021
302921
312921

How March really feels in Conceição de Macabu

Once humidity and wind are folded in, March averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Conceição de Macabu weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°20218.113.23.6
Feb31° / 22°11913.912.83.7
Mar30° / 22°18118.712.23.9
Apr29° / 20°9413.811.55.3
May26° / 18°609.7116.7
Jun26° / 17°28610.77.5
Jul26° / 16°285.610.87.7
Aug26° / 17°285.911.27.4
Sep27° / 18°669.811.96.5
Oct28° / 19°10513.212.55.7
Nov28° / 20°22118.513.14.6
Dec30° / 22°24321.113.33.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43961
53862
63862
73862
83862
93862
103763
113862
123862
133862
143862
153862
163763
173763
183763
193763
203763
213961
223961
234060
244060
254060
264060
274258
284258
294258
304456
314456

Chance of precipitation in March

Any precipitation

Conceição de Macabu gets around 181 mm of rain over 18.7 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 63% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
156
257
357
458
558
659
759
860
960
1060
1161
1261
1362
1462
1563
1663
1763
1863
1963
2062
2162
2261
2361
2460
2559
2659
2758
2858
2957
3056
3156

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1121762
2120772
3120772
4119782
5119782
6119782
7119782
8119782
9119782
10119782
11120772
12120772
13121762
14121762
15122752
16123742
17224722
18225712
19226711
20227701
21228691
22329671
23329671
24330661
25331651
26431641
27431641
28432631
29532621
30533620
31633610

Wind in March

Winds average 6 km/h in March.

Across March, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 30 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over March. Sunrise moves from 6:46 AM to 6:58 AM, and sunset from 7:15 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:467:15
212.56:477:14
312.46:477:13
412.46:487:13
512.46:487:12
612.46:497:11
712.46:497:10
812.36:497:09
912.36:507:08
1012.36:507:07
1112.36:517:06
1212.26:517:06
1312.26:517:05
1412.26:527:04
1512.26:527:03
1612.26:527:02
1712.16:537:01
1812.16:537:00
1912.16:536:59
2012.16:546:58
2112.06:546:57
2212.06:546:56
2312.06:556:55
2412.06:556:54
2512.06:566:53
2611.96:566:52
2711.96:566:51
2811.96:576:50
2911.96:576:49
3011.96:576:48
3111.86:586:47

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.08 kWh/m².

For context, solar energy here swings from a low near 3.45 kWh/m² to a high of 6.1 kWh/m² in February across the year — March's 5.08 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in March

Hazard calendar for Conceição de Macabu

In seasonPeak

In March, Conceição de Macabu sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Conceição de Macabu's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Conceição de Macabu?

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

3.9
Sightseeing
9th-best month of the year
5.5
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Conceição de Macabu.

What to pack for Conceição de Macabu in March

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

In March, Conceição de Macabu sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Conceição de Macabu in March

The nearest coast averages about 25°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 41 km away) is warmest in March at about 25°C and coldest in September near 22°C.

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

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Refreshing

UV index in Conceição de Macabu in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Conceição de Macabu peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 14Jun 23UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Conceição de Macabu?

Conceição de Macabu sits at 22.1°S, 41.9°W, 43 m above sea level, in Brazil. The nearest listed city is Macaé, 34 km away.

Topography around Conceição de Macabu

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

Within 3 km, the terrain around Conceição de Macabu has significant variations in elevation — a maximum elevation change of 557 m around an average of 98 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,236 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,215 m.

The land around Conceição de Macabu is covered by grassland (53%) and trees (42%) within 3 km, trees (52%) and grassland (48%) within 16 km, and grassland (47%), trees (29%) and water (20%) within 80 km.

3 km
557 m
16 km
1,236 m
80 km
2,215 m
treesgrasslandcroplandartificial surfaceswaterwetland
March weather nearby: Macaé 34 km · Quissamã 41 km · Rio das Ostras 50 km · São Fidélis 50 km · Itaocara 51 km · Cordeiro 51 km · Cantagalo 53 km · Casimiro de Abreu 56 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 Conceição de Macabu (-22.0853°, -41.8683°, elevation 43 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).