Mariana weather in March

In March, Mariana sees average daytime highs of 26°C and overnight lows near 18°C, with 227 mm of rain across 19.7 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 14% of the time in March, and the air most often feels humid.

Daylight stretches from about 12 h 24 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Mariana's 9th-clearest and 9th-windiest month. For the whole year in context, see Mariana's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
18°
9th coldest
Rainfall
227 mm
19.7 wet days
Daylight
12 h 06 min
6:59 AM – 7:08 PM
Cloud cover
71%
9th clearest
Wind
7 km/h
9th windiest
Solar energy
5.1 kWh/m²
Travel score
5.1
out of 10

Mariana 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 26°C through the month.

A typical March day in Mariana reaches about 26°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 23°C and 29°C. Set against its neighbours, March runs about 1°C cooler than February and about 1°C warmer than April.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102618
112618
122618
132618
142618
152618
162618
172618
182618
192618
202618
212618
222617
232617
242617
252617
262617
272617
282617
292617
302617
312617

Mariana 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
Jan27° / 18°2942013.14.9
Feb27° / 18°18515.612.75.3
Mar26° / 18°22719.712.15.1
Apr25° / 16°9913.111.56.3
May23° / 14°488117.1
Jun23° / 12°183.310.87.9
Jul23° / 12°112.910.98.1
Aug24° / 12°24411.38.1
Sep25° / 14°839.411.97.0
Oct25° / 16°13915.312.55.9
Nov25° / 17°28321.8134.7
Dec26° / 18°34024.213.24.4

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 19% of March, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53466
63367
73367
83466
93367
103268
113367
123367
133169
143169
153268
163268
173169
183169
193169
203169
213169
223169
233268
243367
253367
263367
273367
283565
293565
303565
313664

Chance of precipitation in March

Any precipitation

Mariana gets around 227 mm of rain over 19.7 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
263
363
464
564
664
764
865
965
1065
1165
1266
1366
1466
1566
1666
1766
1866
1966
2065
2164
2264
2363
2462
2562
2661
2760
2860
2959
3059
3158

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1045047
2044948
3044848
4044749
5044749
6044750
7044650
8044650
9044650
10044551
11044551
12044551
13044551
14044551
15044551
16044551
17044650
18044649
19044748
20054847
21054946
22055045
23055243
24055342
25065341
26065440
27065539
28075439
29175438
30175537
31185536

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 24 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 36 minutes over March. Sunrise moves from 6:54 AM to 7:03 AM, and sunset from 7:20 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:547:20
212.46:547:19
312.46:557:19
412.46:557:18
512.46:557:17
612.36:567:16
712.36:567:15
812.36:567:15
912.36:577:14
1012.36:577:13
1112.26:577:12
1212.26:587:11
1312.26:587:10
1412.26:587:09
1512.26:597:09
1612.16:597:08
1712.16:597:07
1812.17:007:06
1912.17:007:05
2012.17:007:04
2112.07:007:03
2212.07:017:02
2312.07:017:01
2412.07:017:00
2512.07:027:00
2611.97:026:59
2711.97:026:58
2811.97:026:57
2911.97:036:56
3011.97:036:55
3111.87:036:54

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.1 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 5.95 kWh/m² in February across the year — March's 5.1 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in March

Hazard calendar for Mariana

In seasonPeak

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

Mariana'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 Mariana?

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

5.1
Sightseeing
9th-best month of the year
5.0
Beach & pool
9th-best month of the year

March is a reasonable time to visit Mariana for sightseeing.

What to pack for Mariana in March

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

In March, Mariana sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

UV index in Mariana 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 Mariana peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 10UV 15Jun 18UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Mariana 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 Mariana is worst in September — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1624 µg/m³Jan 1411 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar13Moderate
Apr15Moderate
May18Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep26Moderate
Oct17Moderate
Nov12Moderate
Dec12Good
Location & terrain

Where is Mariana?

Mariana sits at 20.4°S, 43.4°W, 707 m above sea level, in Brazil. The nearest listed city is Ouro Preto, 9.0 km away.

Topography around Mariana

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

Within 3 km, the terrain around Mariana has significant variations in elevation — a maximum elevation change of 599 m around an average of 817 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,187 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,801 m.

The land around Mariana is covered by trees (54%) and grassland (29%) within 3 km, trees (72%) and grassland (25%) within 16 km, and trees (51%) and grassland (45%) within 80 km.

3 km
599 m
16 km
1,187 m
80 km
1,801 m
treesgrasslandcroplandartificial surfacesbare terrain
March weather nearby: Ouro Preto 9.0 km · Ouro Branco 33 km · Piranga 36 km · Itabirito 42 km · Santa Bárbara 47 km · Congonhas 48 km · Barão de Cocais 49 km · Alvinópolis 49 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 Mariana (-20.3778°, -43.4161°, elevation 707 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).