Santos Dumont weather in March

In March, Santos Dumont sees average daytime highs of 27°C and overnight lows near 19°C, with 204 mm of rain across 20 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 14% 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 Santos Dumont's 8th-clearest and 11th-windiest month. For the whole year in context, see Santos Dumont's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
19°
9th coldest
Rainfall
204 mm
20 wet days
Daylight
12 h 12 min
6:59 AM – 7:08 PM
Cloud cover
71%
8th clearest
Wind
7 km/h
11th windiest
Solar energy
4.94 kWh/m²
Travel score
4.9
out of 10

Santos Dumont 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 Santos Dumont reaches about 27°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 24°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
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Santos Dumont 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° / 19°29620.913.24.6
Feb28° / 19°19616.212.74.9
Mar27° / 19°2042012.24.9
Apr26° / 17°8912.811.56.2
May24° / 15°508117.2
Jun23° / 13°214.610.77.8
Jul23° / 13°224.910.87.8
Aug24° / 13°295.711.37.8
Sep25° / 15°7510.611.96.8
Oct25° / 17°13916.612.55.6
Nov26° / 17°26621.3134.7
Dec27° / 19°31823.913.34.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53466
63466
73466
83466
93466
103367
113367
123367
133268
143268
153268
163268
173169
183169
193070
202971
213070
223169
233169
243169
253169
263268
273367
283466
293466
303565
313565

Chance of precipitation in March

Any precipitation

Santos Dumont gets around 204 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 66% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
163
264
365
465
565
665
766
866
966
1066
1166
1266
1366
1466
1566
1666
1766
1866
1966
2065
2164
2264
2363
2462
2562
2661
2760
2859
2959
3058
3157

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 66% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1230671
2230671
3229681
4228691
5228691
6228691
7227701
8227701
9127711
10127711
11128701
12128701
13228691
14228691
15229681
16229681
17230671
18231670
19232660
20332650
21333640
22334630
23435610
24435610
25436600
26536590
27536590
28537580
29637570
30638560
31639550

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 6:54 AM to 7:04 AM, and sunset from 7:21 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:547:21
212.46:547:21
312.46:547:20
412.46:557:19
512.46:557:18
612.46:567:17
712.36:567:16
812.36:567:16
912.36:577:15
1012.36:577:14
1112.36:587:13
1212.26:587:12
1312.26:587:11
1412.26:597:10
1512.26:597:09
1612.26:597:08
1712.17:007:08
1812.17:007:07
1912.17:007:06
2012.17:017:05
2112.07:017:04
2212.07:017:03
2312.07:027:02
2412.07:027:01
2512.07:027:00
2611.97:036:59
2711.97:036:58
2811.97:036:57
2911.97:036:56
3011.97:046:55
3111.87:046:54

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.94 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 5.84 kWh/m² in February across the year — March's 4.94 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in March

Hazard calendar for Santos Dumont

In seasonPeak

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

Santos Dumont'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 Santos Dumont?

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

4.9
Sightseeing
8th-best month of the year
5.1
Beach & pool
9th-best month of the year

March is a reasonable time to visit Santos Dumont for sightseeing.

What to pack for Santos Dumont in March

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

In March, Santos Dumont sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Santos Dumont 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 Santos Dumont peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 highExtremeFeb 10UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr10Extreme
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santos Dumont 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 Santos Dumont is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1521 µg/m³Jan 1111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug16Moderate
Sep22Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Santos Dumont?

Santos Dumont sits at 21.5°S, 43.6°W, 844 m above sea level, in Brazil. The nearest listed city is Barbacena, 34 km away.

Topography around Santos Dumont

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

Within 3 km, the terrain around Santos Dumont has only modest variations in elevation — a maximum elevation change of 182 m around an average of 890 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 756 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,595 m.

The land around Santos Dumont is covered by grassland (59%) and trees (27%) within 3 km, grassland (57%) and trees (41%) within 16 km, and grassland (58%) and trees (37%) within 80 km.

3 km
182 m
16 km
756 m
80 km
1,595 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Barbacena 34 km · Juiz de Fora 40 km · Rio Pomba 44 km · Lima Duarte 50 km · Barroso 53 km · São João Nepomuceno 57 km · Carandaí 62 km · Tocantins 64 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 Santos Dumont (-21.4567°, -43.5525°, elevation 844 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).