Itatiaia weather in March

In March, Itatiaia sees average daytime highs of 26°C and overnight lows near 18°C, with 307 mm of rain across 22.7 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 26°C through the month. The sky is clear or mostly clear about 18% 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 Itatiaia's 7th-clearest and 12th-windiest month. For the whole year in context, see Itatiaia's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
18°
9th coldest
Rainfall
307 mm
22.7 wet days
Daylight
12 h 12 min
7:03 AM – 7:13 PM
Cloud cover
69%
7th clearest
Wind
4 km/h
12th windiest
Solar energy
4.81 kWh/m²
Travel score
4.7
out of 10

Itatiaia 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 Itatiaia 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°35°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152718
162618
172618
182618
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292618
302617
312617

Itatiaia 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° / 19°40424.913.24.2
Feb27° / 18°3072012.84.6
Mar26° / 18°30722.712.24.7
Apr25° / 16°13215.111.56.0
May23° / 14°7711.210.96.7
Jun22° / 12°457.710.67.3
Jul22° / 12°457.410.87.3
Aug23° / 12°477.511.27.5
Sep24° / 14°11513.711.96.4
Oct25° / 16°19419.112.55.3
Nov25° / 17°31022.613.14.6
Dec26° / 18°38025.213.44.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% 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 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43862
53862
63862
73862
83862
93862
103763
113664
123664
133565
143466
153466
163466
173367
183367
193367
203268
213367
223367
233466
243466
253466
263565
273565
283664
293664
303763
313961

Chance of precipitation in March

Any precipitation

Itatiaia gets around 307 mm of rain over 22.7 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 73% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
175
275
376
476
576
676
776
876
975
1075
1175
1275
1375
1475
1575
1675
1774
1874
1974
2073
2173
2272
2371
2471
2570
2669
2768
2867
2966
3065
3164

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 58% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1023464
2023464
3023464
4023464
5023563
6023563
7023563
8023563
9023563
10023563
11023563
12023662
13023662
14023662
15023761
16023860
17023860
18033958
19034057
20034156
21044155
22044254
23044254
24054352
25054352
26054451
27054451
28064549
29064548
30064647
31174647

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 6:57 AM to 7:08 AM, and sunset from 7:26 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:577:26
212.56:577:25
312.46:587:24
412.46:587:24
512.46:597:23
612.46:597:22
712.46:597:21
812.37:007:20
912.37:007:19
1012.37:017:18
1112.37:017:17
1212.27:027:17
1312.27:027:16
1412.27:027:15
1512.27:037:14
1612.27:037:13
1712.17:037:12
1812.17:047:11
1912.17:047:10
2012.17:057:09
2112.17:057:08
2212.07:057:07
2312.07:067:06
2412.07:067:05
2512.07:067:04
2611.97:077:03
2711.97:077:02
2811.97:077:01
2911.97:087:00
3011.87:086:59
3111.87:086:58

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.81 kWh/m².

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 5.52 kWh/m² in February across the year — March's 4.81 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in March

Hazard calendar for Itatiaia

In seasonPeak

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

Itatiaia'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 Itatiaia?

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

4.7
Sightseeing
8th-best month of the year
4.6
Beach & pool
9th-best month of the year

March is a reasonable time to visit Itatiaia for sightseeing.

What to pack for Itatiaia in March

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

In March, Itatiaia sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

Sea temperature near Itatiaia 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 70 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°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Warm
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep22Refreshing
Oct23Refreshing
Nov23Refreshing
Dec25Warm

UV index in Itatiaia 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 Itatiaia peaks around February 9 at about 15 (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 highExtremeFeb 9UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep7Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Itatiaia 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 Itatiaia is worst in September — around 33 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1332 µg/m³Dec 2115 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar17Moderate
Apr19Moderate
May24Moderate
Jun29Moderate
Jul31Moderate
Aug27Moderate
Sep33Moderate
Oct20Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Itatiaia?

Itatiaia sits at 22.5°S, 44.6°W, 406 m above sea level, in Brazil. The nearest listed city is Resende, 12 km away.

Topography around Itatiaia

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

Within 3 km, the terrain around Itatiaia has significant variations in elevation — a maximum elevation change of 253 m around an average of 452 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,300 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,761 m.

The land around Itatiaia is covered by grassland (51%) and trees (30%) within 3 km, trees (49%) and grassland (44%) within 16 km, and trees (50%) and grassland (42%) within 80 km.

3 km
253 m
16 km
2,300 m
80 km
2,761 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Resende 12 km · Porto Real 29 km · Barra Mansa 41 km · Cruzeiro 43 km · Passa Quatro 43 km · Itanhandu 44 km · Volta Redonda 47 km · Cachoeira Paulista 50 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 Itatiaia (-22.4961°, -44.5633°, elevation 406 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).