Barra do Piraí weather in March

In March, Barra do Piraí sees average daytime highs of 29°C and overnight lows near 20°C, with 195 mm of rain across 20.3 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 29°C through the month. The sky is clear or mostly clear about 18% 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 do Piraí's 8th-clearest and 10th-windiest month. For the whole year in context, see Barra do Piraí's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
20°
9th coldest
Rainfall
195 mm
20.3 wet days
Daylight
12 h 12 min
7:00 AM – 7:10 PM
Cloud cover
68%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
4.88 kWh/m²
Travel score
4.2
out of 10

Barra do Piraí is human settlement in Brazil.

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 29°C through the month.

A typical March day in Barra do Piraí reaches about 29°C in the afternoon and slips back to 20°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 32°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)
13021
23021
33021
43021
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162920
172920
182920
192920
202920
212920
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

How March really feels in Barra do Piraí

Once humidity and wind are folded in, March 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

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Barra do Piraí 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
Jan30° / 21°2822213.23.7
Feb30° / 21°20017.612.83.9
Mar29° / 20°19520.312.24.2
Apr27° / 19°8912.511.56.0
May25° / 16°539.310.97.0
Jun25° / 15°285.510.77.8
Jul24° / 15°295.310.87.9
Aug25° / 15°275.511.27.7
Sep26° / 17°661011.96.6
Oct27° / 18°11214.112.55.7
Nov27° / 19°20219.313.14.8
Dec29° / 20°24922.213.44.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53961
63862
73862
83862
93862
103763
113763
123664
133664
143664
153466
163466
173466
183466
193367
203367
213367
223466
233466
243466
253466
263664
273664
283664
293862
303862
313862

Chance of precipitation in March

Any precipitation

Barra do Piraí gets around 195 mm of rain over 20.3 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 65% 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 (%)
165
265
366
466
566
667
767
867
967
1067
1167
1268
1368
1468
1568
1668
1768
1867
1967
2066
2166
2265
2364
2463
2563
2662
2761
2860
2959
3058
3157

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1075835
2075835
3075835
4065935
5065935
6065935
7065935
8065935
9065935
10065935
11065935
12066034
13066034
14075934
15076033
16076132
17086032
18086131
19096130
20096130
21096229
220106228
230106228
240106327
250116326
260116425
270116524
281126423
291126423
301126522
311136521

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 6:54 AM to 7:05 AM, and sunset from 7:23 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:547:23
212.56:547:22
312.46:557:22
412.46:557:21
512.46:567:20
612.46:567:19
712.46:577:18
812.36:577:17
912.36:577:16
1012.36:587:15
1112.36:587:14
1212.26:597:14
1312.26:597:13
1412.26:597:12
1512.27:007:11
1612.27:007:10
1712.17:007:09
1812.17:017:08
1912.17:017:07
2012.17:027:06
2112.17:027:05
2212.07:027:04
2312.07:037:03
2412.07:037:02
2512.07:037:01
2611.97:047:00
2711.97:046:59
2811.97:046:58
2911.97:056:57
3011.97:056:56
3111.87:056:55

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.88 kWh/m².

For context, solar energy here swings from a low near 3.36 kWh/m² to a high of 5.8 kWh/m² in February across the year — March's 4.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in March

Hazard calendar for Barra do Piraí

In seasonPeak

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

Barra do Piraí'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 do Piraí?

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

4.2
Sightseeing
9th-best month of the year
5.3
Beach & pool
8th-best month of the year

March is a reasonable time to visit Barra do Piraí for sightseeing.

What to pack for Barra do Piraí in March

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

In March, Barra do Piraí sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Barra do Piraí 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 do Piraí 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 do Piraí 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 do Piraí is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (December, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateModerateJul 1237 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb19Moderate
Mar21Moderate
Apr24Moderate
May31Moderate
Jun36Poor
Jul38Poor
Aug32Moderate
Sep37Poor
Oct24Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Barra do Piraí?

Barra do Piraí sits at 22.5°S, 43.8°W, 366 m above sea level, in Brazil. The nearest listed city is Mendes, 11 km away.

Topography around Barra do Piraí

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

Within 3 km, the terrain around Barra do Piraí has significant variations in elevation — a maximum elevation change of 273 m around an average of 429 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 789 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,208 m.

The land around Barra do Piraí is covered by grassland (53%) and trees (27%) within 3 km, grassland (50%) and trees (48%) within 16 km, and trees (46%) and grassland (38%) within 80 km.

3 km
273 m
16 km
789 m
80 km
2,208 m
treesgrasslandartificial surfaceswater
March weather nearby: Mendes 11 km · Vassouras 18 km · Pinheiral 19 km · Piraí 19 km · Paracambi 19 km · Japeri 26 km · Valença 28 km · Volta Redonda 29 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 do Piraí (-22.47°, -43.8256°, elevation 366 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. 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).