Barra Mansa weather in March

In March, Barra Mansa sees average daytime highs of 28°C and overnight lows near 19°C, with 194 mm of rain across 20.2 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 5th-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 21% of the time in March, and the air most often feels muggy.

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 Barra Mansa's 8th-clearest and 11th-windiest month. For the whole year in context, see Barra Mansa's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
19°
9th coldest
Rainfall
194 mm
20.2 wet days
Daylight
12 h 12 min
7:01 AM – 7:11 PM
Cloud cover
67%
8th clearest
Wind
4 km/h
11th windiest
Solar energy
4.82 kWh/m²
Travel score
4.6
out of 10

Barra Mansa is human settlement in Brazil.

Air quality
Moderate
PM10 30.1 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical March day in Barra Mansa reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, March runs about 1°C cooler than February and about 1°C warmer than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312719

Barra Mansa weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°28222.113.23.9
Feb29° / 20°20517.512.84.2
Mar28° / 19°19420.212.24.6
Apr27° / 18°8611.711.56.2
May25° / 15°488.410.97.2
Jun24° / 14°275.310.67.9
Jul24° / 13°285.310.88.0
Aug25° / 14°275.311.27.8
Sep26° / 16°6910.711.96.6
Oct27° / 17°11714.712.55.7
Nov27° / 18°2041913.14.9
Dec28° / 20°24921.313.44.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64159
74159
84060
93961
103862
113862
123862
133763
143664
153664
163565
173565
183565
193466
203466
213466
223466
233565
243664
253664
263763
273763
283961
293961
304060
314159

Chance of precipitation in March

Any precipitation

Barra Mansa gets around 194 mm of rain over 20.2 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 64% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
367
467
567
667
767
867
967
1067
1167
1267
1368
1468
1567
1667
1767
1866
1966
2065
2165
2264
2363
2462
2561
2660
2759
2857
2956
3055
3154

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10137314
20127414
30127513
40127513
50127513
60127513
70127612
80127612
90137512
100137611
110137611
120147511
130147511
140147610
150157510
16015769
17016759
18017758
19018748
20018748
21019738
22020737
23020737
24021727
25121717
26122716
27122716
28123706
29123706
30223696
31224686

Wind in March

Winds average 4 km/h in March.

Across March, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 6:55 AM to 7:07 AM, and sunset from 7:25 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:557:25
212.56:567:24
312.46:567:23
412.46:577:22
512.46:577:21
612.46:577:20
712.46:587:19
812.36:587:19
912.36:597:18
1012.36:597:17
1112.37:007:16
1212.37:007:15
1312.27:007:14
1412.27:017:13
1512.27:017:12
1612.27:017:11
1712.17:027:10
1812.17:027:09
1912.17:037:08
2012.17:037:07
2112.17:037:06
2212.07:047:05
2312.07:047:04
2412.07:047:03
2512.07:057:02
2611.97:057:01
2711.97:057:00
2811.97:066:59
2911.97:066:58
3011.87:066:57
3111.87:076:56

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.82 kWh/m².

For context, solar energy here swings from a low near 3.47 kWh/m² to a high of 5.62 kWh/m² in February across the year — March's 4.82 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
314.5Bright
Planning a trip in March

Hazard calendar for Barra Mansa

In seasonPeak

In March, Barra Mansa sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Barra Mansa's monsoon runs November–March, when most of the year's rain falls.

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

Is March a good time to visit Barra Mansa?

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

4.6
Sightseeing
9th-best month of the year
5.3
Beach & pool
9th-best month of the year

March is a reasonable time to visit Barra Mansa for sightseeing.

What to pack for Barra Mansa in March

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

In March, Barra Mansa sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Barra Mansa in March

The nearest coast averages about 27°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 68 km away) is warmest in February at about 27°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°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Warm
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep22Refreshing
Oct23Refreshing
Nov23Refreshing
Dec25Warm

UV index in Barra Mansa in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Barra Mansa peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 24UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep7High
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Barra Mansa in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Barra Mansa is worst in September — around 33 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 15 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1332 µg/m³Dec 2115 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar17Moderate
Apr19Moderate
May24Moderate
Jun29Moderate
Jul31Moderate
Aug27Moderate
Sep33Moderate
Oct20Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Barra Mansa?

Barra Mansa sits at 22.5°S, 44.2°W, 380 m above sea level, in Brazil. The nearest listed city is Volta Redonda, 7.0 km away.

Topography around Barra Mansa

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

Within 3 km, the terrain around Barra Mansa has only modest variations in elevation — a maximum elevation change of 185 m around an average of 427 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 415 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,761 m.

The land around Barra Mansa is covered by trees (36%), grassland (31%) and artificial surfaces (30%) within 3 km, grassland (59%) and trees (33%) within 16 km, and trees (48%) and grassland (36%) within 80 km.

3 km
185 m
16 km
415 m
80 km
2,761 m
treesgrasslandartificial surfaceswater
March weather nearby: Volta Redonda 7.0 km · Pinheiral 18 km · Porto Real 18 km · Rio Claro 20 km · Resende 29 km · Piraí 30 km · Barra do Piraí 36 km · Itatiaia 41 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 Barra Mansa (-22.5442°, -44.1714°, elevation 380 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).