Santo Antônio de Posse weather in March

In March, Santo Antônio de Posse sees average daytime highs of 29°C and overnight lows near 19°C, with 149 mm of rain across 17.6 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 33% 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 Santo Antônio de Posse's 7th-clearest and 11th-windiest month. For the whole year in context, see Santo Antônio de Posse's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
19°
9th coldest
Rainfall
149 mm
17.6 wet days
Daylight
12 h 12 min
7:12 AM – 7:22 PM
Cloud cover
59%
7th clearest
Wind
7 km/h
11th windiest
Solar energy
5.29 kWh/m²
Travel score
4.6
out of 10

Santo Antônio de Posse 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 Santo Antônio de Posse reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°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)
13020
23020
33020
43020
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312919

Santo Antônio de Posse 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°27522.313.23.8
Feb30° / 20°18818.612.83.9
Mar29° / 19°14917.612.24.6
Apr28° / 17°738.711.56.4
May25° / 15°646.310.97.6
Jun25° / 13°434.610.68.1
Jul25° / 13°39410.88.2
Aug27° / 14°334.111.27.9
Sep28° / 16°867.911.96.3
Oct29° / 18°13013.512.55.0
Nov29° / 19°18216.713.14.7
Dec29° / 20°22420.413.44.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34951
45050
54951
65050
74951
85050
95050
105050
115149
124951
135050
145050
154951
164951
174951
185050
195050
205149
215149
225149
235347
245347
255446
265545
275644
285743
295842
305941
315941

Chance of precipitation in March

Any precipitation

Santo Antônio de Posse gets around 149 mm of rain over 17.6 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 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
163
263
363
462
562
661
761
860
960
1059
1159
1259
1359
1459
1558
1658
1758
1857
1957
2056
2156
2255
2354
2453
2552
2651
2750
2849
2947
3046
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 66% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10120727
20120727
30121717
40121717
50122707
60122707
70123697
80123697
90123706
100124696
110124696
120124696
130124705
140225685
150225685
160225694
170226684
180326674
190327664
200327673
210328663
220429643
230429643
240430633
250530623
260531613
270531613
280632593
290632593
300733573
311733572

Wind in March

Winds average 7 km/h in March.

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 7:06 AM to 7:18 AM, and sunset from 7:36 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:067:36
212.57:077:35
312.47:077:34
412.47:087:33
512.47:087:32
612.47:087:31
712.47:097:31
812.37:097:30
912.37:107:29
1012.37:107:28
1112.37:117:27
1212.37:117:26
1312.27:117:25
1412.27:127:24
1512.27:127:23
1612.27:127:22
1712.17:137:21
1812.17:137:20
1912.17:147:19
2012.17:147:18
2112.17:147:17
2212.07:157:16
2312.07:157:15
2412.07:157:14
2512.07:167:13
2611.97:167:12
2711.97:167:11
2811.97:177:10
2911.97:177:09
3011.87:187:08
3111.87:187:07

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 3.75 kWh/m² to a high of 6.01 kWh/m² in November across the year — March's 5.29 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
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 Santo Antônio de Posse

In seasonPeak

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

Santo Antônio de Posse's rainy season runs October–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 Santo Antônio de Posse?

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
5.9
Beach & pool
8th-best month of the year

March is a reasonable time to visit Santo Antônio de Posse for sightseeing.

What to pack for Santo Antônio de Posse in March

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

In March, Santo Antônio de Posse 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 Santo Antônio de Posse 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 Santo Antônio de Posse peaks around January 20 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 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santo Antônio de Posse 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 Santo Antônio de Posse is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1032 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr22Moderate
May26Moderate
Jun28Moderate
Jul30Moderate
Aug31Moderate
Sep32Moderate
Oct22Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Santo Antônio de Posse?

Santo Antônio de Posse sits at 22.6°S, 46.9°W, 669 m above sea level, in Brazil. The nearest listed city is Jaguariúna, 13 km away.

Topography around Santo Antônio de Posse

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio de Posse.

Within 3 km, the terrain around Santo Antônio de Posse has only modest variations in elevation — a maximum elevation change of 153 m around an average of 657 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 475 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,218 m.

The land around Santo Antônio de Posse is covered by cropland (33%), trees (28%) and grassland (26%) within 3 km, trees (33%), cropland (33%) and grassland (28%) within 16 km, and trees (35%), grassland (30%) and cropland (27%) within 80 km.

3 km
153 m
16 km
475 m
80 km
1,218 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Jaguariúna 13 km · Terra Preta 14 km · Holambra 14 km · Amparo 19 km · Mogi Mirim 20 km · Itapira 21 km · Serra Negra 22 km · Artur Nogueira 26 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 Santo Antônio de Posse (-22.6061°, -46.9194°, elevation 669 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).