Biritiba Mirim weather in March

In March, Biritiba Mirim sees average daytime highs of 27°C and overnight lows near 19°C, with 169 mm of rain across 21.5 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 17% 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 Biritiba Mirim's 7th-clearest and 11th-windiest month. For the whole year in context, see Biritiba Mirim's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
169 mm
21.5 wet days
Daylight
12 h 12 min
7:09 AM – 7:19 PM
Cloud cover
68%
7th clearest
Wind
7 km/h
11th windiest
Solar energy
4.83 kWh/m²
Travel score
4.8
out of 10

Biritiba Mirim 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 27°C through the month.

A typical March day in Biritiba Mirim reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262718
272718
282618
292618
302618
312618

Biritiba Mirim weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°25424.713.34.2
Feb28° / 20°19320.712.84.3
Mar27° / 19°16921.512.24.8
Apr26° / 17°721211.56.4
May23° / 15°66910.97.0
Jun23° / 13°445.910.67.5
Jul22° / 12°53610.77.5
Aug23° / 13°42611.27.7
Sep24° / 15°8510.811.96.8
Oct25° / 17°11214.612.65.8
Nov26° / 17°15117.713.15.3
Dec27° / 19°19121.613.44.6

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 20% of March, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23763
33763
43862
53763
63763
73862
83862
93862
103763
113862
123763
133763
143763
153664
163664
173565
183466
193466
203565
213565
223565
233565
243565
253565
263664
273763
283862
293961
303961
313961

Chance of precipitation in March

Any precipitation

Biritiba Mirim gets around 169 mm of rain over 21.5 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 68% and peaks near 72% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
372
472
572
672
772
872
972
1072
1172
1272
1372
1472
1572
1672
1772
1871
1971
2070
2169
2268
2367
2466
2564
2663
2761
2859
2958
3056
3155

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11137412
21137412
31137412
41147312
51147312
61147411
71147411
81147411
91147510
101157410
111157410
12115759
13115759
14116758
15116758
16117757
17117757
18118756
19219736
20220735
21221725
22222715
23322705
24323695
25324694
26325684
27425674
28426664
29426664
30527644
31527644

Wind in March

Winds average 7 km/h in March.

Across March, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
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 7:02 AM to 7:15 AM, and sunset from 7:33 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:027:33
212.57:027:32
312.57:037:31
412.47:037:30
512.47:047:29
612.47:047:28
712.47:057:28
812.47:057:27
912.37:067:26
1012.37:067:25
1112.37:077:24
1212.37:077:23
1312.27:077:22
1412.27:087:21
1512.27:087:20
1612.27:097:19
1712.17:097:18
1812.17:107:17
1912.17:107:16
2012.17:107:15
2112.17:117:14
2212.07:117:13
2312.07:127:12
2412.07:127:11
2512.07:127:10
2611.97:137:09
2711.97:137:08
2811.97:137:07
2911.97:147:06
3011.87:147:05
3111.87:157:04

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.83 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 5.59 kWh/m² in December across the year — March's 4.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in March

Hazard calendar for Biritiba Mirim

In seasonPeak

In March, Biritiba Mirim sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Biritiba Mirim's rainy season runs November–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 Biritiba Mirim?

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

4.8
Sightseeing
9th-best month of the year
4.9
Beach & pool
9th-best month of the year

March is a reasonable time to visit Biritiba Mirim for sightseeing.

What to pack for Biritiba Mirim in March

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

In March, Biritiba Mirim sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Biritiba Mirim 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 35 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°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Biritiba Mirim in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Biritiba Mirim peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 9UV 15Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Biritiba Mirim 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 Biritiba Mirim is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2132 µg/m³Nov 2316 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr21Moderate
May27Moderate
Jun32Moderate
Jul31Moderate
Aug28Moderate
Sep28Moderate
Oct20Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Biritiba Mirim?

Biritiba Mirim sits at 23.6°S, 46.0°W, 775 m above sea level, in Brazil. The nearest listed city is Mogi das Cruzes, 16 km away.

Topography around Biritiba Mirim

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

Within 3 km, the terrain around Biritiba Mirim has only modest variations in elevation — a maximum elevation change of 178 m around an average of 775 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 875 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,045 m.

The land around Biritiba Mirim is covered by trees (44%) and grassland (38%) within 3 km, trees (66%) and grassland (24%) within 16 km, and trees (45%) and water (27%) within 80 km.

3 km
178 m
16 km
875 m
80 km
2,045 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Mogi das Cruzes 16 km · Guararema 18 km · Salesópolis 20 km · Suzano 28 km · Jacareí 31 km · Poá 32 km · Bertioga 33 km · Itaquaquecetuba 33 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 Biritiba Mirim (-23.5725°, -46.0386°, elevation 775 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).