São João da Boa Vista weather in March

In March, São João da Boa Vista sees average daytime highs of 28°C and overnight lows near 18°C, with 183 mm of rain across 20 wet days and about 12.2 hours of daylight. It is the 4th-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 25% 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 São João da Boa Vista's 8th-clearest and 12th-windiest month. For the whole year in context, see São João da Boa Vista's year-round climate.

Daytime high
28°
4th warmest
Overnight low
18°
9th coldest
Rainfall
183 mm
20 wet days
Daylight
12 h 12 min
7:12 AM – 7:22 PM
Cloud cover
63%
8th clearest
Wind
6 km/h
12th windiest
Solar energy
5.25 kWh/m²
Travel score
5.0
out of 10

São João da Boa Vista 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 28°C through the month.

A typical March day in São João da Boa Vista reaches about 28°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°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)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172818
182818
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

São João da Boa Vista weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°2822413.24.2
Feb28° / 19°21120.112.84.4
Mar28° / 18°1832012.25.0
Apr27° / 17°8010.211.56.7
May24° / 14°576.4117.7
Jun24° / 13°324.210.78.3
Jul24° / 12°273.310.88.5
Aug26° / 13°263.711.28.2
Sep27° / 16°778.711.96.9
Oct28° / 18°12214.712.55.5
Nov27° / 18°19119.413.14.9
Dec28° / 19°24523.413.34.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 22% of March, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34555
44555
54555
64654
74654
84654
94654
104654
114654
124654
134555
144555
154555
164555
174555
184555
194654
204654
214753
224753
234852
244852
255050
265149
275248
285347
295446
305545
315644

Chance of precipitation in March

Any precipitation

São João da Boa Vista gets around 183 mm of rain over 20 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 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
371
471
571
670
769
869
968
1068
1168
1268
1368
1467
1567
1666
1766
1865
1964
2063
2163
2262
2361
2460
2558
2657
2756
2855
2954
3052
3151

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1023761
2023761
3023761
4033760
5033859
6033859
7033859
8033958
9033958
10043957
11043957
12043957
13043957
14043957
15044056
16044056
17054055
18154153
19154153
20154252
21164251
22164350
23174449
24174448
25184547
26184545
27194644
281104643
291104642
302114741
312124740

Wind in March

Winds average 6 km/h in March, the calmest month.

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 7:06 AM to 7:17 AM, and sunset from 7:35 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:067:35
212.57:077:34
312.47:077:33
412.47:077:32
512.47:087:31
612.47:087:31
712.37:097:30
812.37:097:29
912.37:107:28
1012.37:107:27
1112.37:107:26
1212.27:117:25
1312.27:117:24
1412.27:117:23
1512.27:127:22
1612.27:127:22
1712.17:127:21
1812.17:137:20
1912.17:137:19
2012.17:147:18
2112.07:147:17
2212.07:147:16
2312.07:157:15
2412.07:157:14
2512.07:157:13
2611.97:167:12
2711.97:167:11
2811.97:167:10
2911.97:177:09
3011.97:177:08
3111.87:177:07

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.25 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.91 kWh/m² in November across the year — March's 5.25 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in March

Hazard calendar for São João da Boa Vista

In seasonPeak

In March, São João da Boa Vista sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

São João da Boa Vista'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 São João da Boa Vista?

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

5.0
Sightseeing
8th-best month of the year
5.3
Beach & pool
8th-best month of the year

March is a reasonable time to visit São João da Boa Vista for sightseeing.

What to pack for São João da Boa Vista in March

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

In March, São João da Boa Vista sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in São João da Boa Vista 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 São João da Boa Vista 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
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in São João da Boa Vista 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 São João da Boa Vista is worst in September — around 24 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1522 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May11Good
Jun11Good
Jul11Good
Aug15Moderate
Sep24Moderate
Oct13Moderate
Nov9Good
Dec9Good
Location & terrain

Where is São João da Boa Vista?

São João da Boa Vista sits at 22.0°S, 46.8°W, 774 m above sea level, in Brazil. The nearest listed city is Vargem Grande do Sul, 18 km away.

Topography around São João da Boa Vista

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São João da Boa Vista.

Within 3 km, the terrain around São João da Boa Vista has only modest variations in elevation — a maximum elevation change of 119 m around an average of 766 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,001 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,260 m.

The land around São João da Boa Vista is covered by artificial surfaces (40%), grassland (27%) and trees (24%) within 3 km, trees (37%), grassland (33%) and cropland (26%) within 16 km, and trees (36%), grassland (32%) and cropland (29%) within 80 km.

3 km
119 m
16 km
1,001 m
80 km
1,260 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Vargem Grande do Sul 18 km · Aguaí 21 km · Espírito Santo do Pinhal 26 km · Andradas 26 km · Poços de Caldas 32 km · Casa Branca 37 km · Jacutinga 40 km · São José do Rio Pardo 43 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 São João da Boa Vista (-21.9692°, -46.7981°, elevation 774 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).