São Pedro weather in March

In March, São Pedro sees average daytime highs of 28°C and overnight lows near 20°C, with 259 mm of rain across 22.2 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 28°C through the month. The sky is clear or mostly clear about 19% 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 Pedro's 8th-clearest and 12th-windiest month. For the whole year in context, see São Pedro's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
20°
9th coldest
Rainfall
259 mm
22.2 wet days
Daylight
12 h 12 min
6:57 AM – 7:06 PM
Cloud cover
68%
8th clearest
Wind
4 km/h
12th windiest
Solar energy
4.98 kWh/m²
Travel score
4.3
out of 10

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 Pedro reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°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)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102821
112821
122821
132821
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282720
292720
302720
312720

São Pedro 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
Jan29° / 21°32823.313.23.8
Feb29° / 21°24218.712.84.0
Mar28° / 20°25922.212.24.3
Apr27° / 19°11915.311.55.7
May24° / 16°8011.410.96.8
Jun24° / 15°497.410.77.6
Jul24° / 14°487.210.87.6
Aug24° / 15°497.511.27.5
Sep25° / 16°1021211.96.6
Oct26° / 18°1501612.55.6
Nov26° / 19°27220.713.14.7
Dec28° / 20°32323.613.34.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33862
43862
53862
63862
73763
83763
93763
103763
113664
123664
133664
143664
153565
163466
173466
183466
193466
203466
213466
223565
233664
243664
253664
263862
273862
283862
293961
304060
314060

Chance of precipitation in March

Any precipitation

São Pedro gets around 259 mm of rain over 22.2 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 71% and peaks near 73% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
170
270
371
471
571
671
771
872
972
1072
1172
1273
1373
1473
1573
1673
1773
1873
1973
2073
2172
2272
2371
2471
2570
2669
2768
2868
2967
3066
3166

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1045442
2045343
3045343
4045343
5045343
6045343
7045343
8045442
9045442
10045442
11055342
12055441
13055441
14055540
15065440
16065539
17075439
18075538
19085537
20085636
21095536
22095635
230105634
240105733
250115732
260115831
270115930
280125929
291125928
301135927
311136026

Wind in March

Winds average 4 km/h in March, the calmest month.

Across March, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 6:51 AM to 7:02 AM, and sunset from 7:20 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:517:20
212.56:517:19
312.46:517:18
412.46:527:17
512.46:527:16
612.46:537:15
712.46:537:15
812.36:547:14
912.36:547:13
1012.36:547:12
1112.36:557:11
1212.26:557:10
1312.26:567:09
1412.26:567:08
1512.26:567:07
1612.26:577:06
1712.16:577:05
1812.16:577:04
1912.16:587:03
2012.16:587:02
2112.06:597:02
2212.06:597:01
2312.06:597:00
2412.07:006:59
2512.07:006:58
2611.97:006:57
2711.97:016:56
2811.97:016:55
2911.97:016:54
3011.97:026:53
3111.87:026:52

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.98 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 5.92 kWh/m² in February across the year — March's 4.98 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.6Bright
Planning a trip in March

Hazard calendar for São Pedro

In seasonPeak

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

São Pedro'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 São Pedro?

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

4.3
Sightseeing
9th-best month of the year
5.0
Beach & pool
9th-best month of the year

March is a reasonable time to visit São Pedro for sightseeing.

What to pack for São Pedro in March

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

In March, São Pedro sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in São Pedro 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 Pedro peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 14Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep7Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in São Pedro 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 Pedro is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (March, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Mar 1110 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar10Good
Apr12Good
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is São Pedro?

São Pedro sits at 22.4°S, 43.0°W, 892 m above sea level, in Brazil. The nearest listed city is Teresópolis, 1.0 km away.

Topography around São Pedro

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

Within 3 km, the terrain around São Pedro has significant variations in elevation — a maximum elevation change of 526 m around an average of 975 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,234 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.

The land around São Pedro is covered by trees (65%) and artificial surfaces (30%) within 3 km, trees (82%) within 16 km, and trees (49%) and grassland (34%) within 80 km.

3 km
526 m
16 km
2,234 m
80 km
2,252 m
treesgrasslandartificial surfaceswaterwetland
March weather nearby: Teresópolis 1.0 km · Guapimirim 13 km · Petrópolis 24 km · Magé 27 km · São José do Vale do Rio Preto 30 km · Cachoeiras de Macacu 32 km · Itaboraí 37 km · Três Rios 42 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 Pedro (-22.4231°, -42.9661°, elevation 892 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).