Casa Branca weather in March

In March, Casa Branca sees average daytime highs of 29°C and overnight lows near 19°C, with 141 mm of rain across 17.7 wet days and about 12.2 hours of daylight. It is the 6th-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 29% 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 Casa Branca's 8th-clearest and 12th-windiest month. For the whole year in context, see Casa Branca's year-round climate.

Daytime high
29°
6th warmest
Overnight low
19°
9th coldest
Rainfall
141 mm
17.7 wet days
Daylight
12 h 12 min
7:13 AM – 7:23 PM
Cloud cover
61%
8th clearest
Wind
7 km/h
12th windiest
Solar energy
5.29 kWh/m²
Travel score
4.7
out of 10

Casa Branca 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 Casa Branca reaches about 29°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 26°C and 32°C. Set against its neighbours, March runs on par with 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
122920
132920
142920
152919
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312819

Casa Branca weather by month

How March compares with the rest of the year at a glance. March is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°23522.313.23.9
Feb29° / 20°16418.612.74.1
Mar29° / 19°14117.712.24.7
Apr28° / 18°588.511.56.5
May25° / 15°466117.6
Jun25° / 14°263.410.78.3
Jul25° / 13°222.610.88.4
Aug27° / 15°193.211.37.9
Sep29° / 17°647.411.96.1
Oct29° / 19°9813.312.54.9
Nov29° / 19°15417.1134.6
Dec29° / 20°19921.713.34.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 21% of March, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34654
44654
54753
64753
74852
84852
94852
104852
114852
124852
134852
144852
154852
164852
174852
184753
194852
204852
214951
224951
235050
245149
255248
265347
275347
285446
295545
305644
315743

Chance of precipitation in March

Any precipitation

Casa Branca gets around 141 mm of rain over 17.7 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 57% and peaks near 64% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
164
264
363
463
562
661
761
860
959
1059
1158
1258
1358
1458
1558
1657
1757
1857
1957
2056
2156
2255
2354
2454
2553
2652
2750
2849
2948
3047
3145

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 67% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10123742
20124732
30124732
40124732
50125722
60126712
70126712
80127702
90127702
100228682
110228682
120228691
130228691
140228691
150328681
160328681
170329671
180429661
190429661
200530641
210530641
220531631
230632620
240632620
250633610
261634590
271735570
281736560
291737550
301738540
311839520

Wind in March

Winds average 7 km/h in March, the calmest month.

Across March, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 7:07 AM to 7:18 AM, and sunset from 7:36 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:077:36
212.57:087:35
312.47:087:34
412.47:097:33
512.47:097:32
612.47:107:32
712.37:107:31
812.37:107:30
912.37:117:29
1012.37:117:28
1112.37:127:27
1212.27:127:26
1312.27:127:25
1412.27:137:25
1512.27:137:24
1612.27:137:23
1712.17:147:22
1812.17:147:21
1912.17:147:20
2012.17:157:19
2112.07:157:18
2212.07:157:17
2312.07:167:16
2412.07:167:15
2512.07:167:14
2611.97:177:13
2711.97:177:12
2811.97:177:11
2911.97:187:10
3011.97:187:09
3111.87:187:08

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.29 kWh/m².

For context, solar energy here swings from a low near 3.88 kWh/m² to a high of 5.96 kWh/m² in October across the year — March's 5.29 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in March

Hazard calendar for Casa Branca

In seasonPeak

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

Casa Branca'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 Casa Branca?

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

4.7
Sightseeing
8th-best month of the year
5.8
Beach & pool
8th-best month of the year

March is a reasonable time to visit Casa Branca for sightseeing.

What to pack for Casa Branca in March

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

In March, Casa Branca sees daytime highs around 29°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Casa Branca 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 Casa Branca peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Casa Branca 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 Casa Branca is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1430 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug23Moderate
Sep32Moderate
Oct16Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Casa Branca?

Casa Branca sits at 21.8°S, 47.1°W, 692 m above sea level, in Brazil. The nearest listed city is Santa Cruz das Palmeiras, 18 km away.

Topography around Casa Branca

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

Within 3 km, the terrain around Casa Branca has only modest variations in elevation — a maximum elevation change of 117 m around an average of 701 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 419 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,281 m.

The land around Casa Branca is covered by cropland (34%), trees (31%) and artificial surfaces (20%) within 3 km, cropland (53%) and trees (34%) within 16 km, and trees (39%), cropland (35%) and grassland (23%) within 80 km.

3 km
117 m
16 km
419 m
80 km
1,281 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Santa Cruz das Palmeiras 18 km · Tambaú 21 km · Vargem Grande do Sul 21 km · São José do Rio Pardo 28 km · Aguaí 34 km · Mococa 35 km · São João da Boa Vista 37 km · Santa Rita do Passa Quatro 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 Casa Branca (-21.7739°, -47.0864°, elevation 692 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).