Araruama weather in March

In March, Araruama sees average daytime highs of 28°C and overnight lows near 23°C, with 163 mm of rain across 16.1 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 32% of the time in March, and the air most often feels oppressive.

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 Araruama's 8th-clearest and 11th-windiest month. For the whole year in context, see Araruama's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
163 mm
16.1 wet days
Daylight
12 h 12 min
6:54 AM – 7:04 PM
Cloud cover
59%
8th clearest
Wind
11 km/h
11th windiest
Solar energy
5.34 kWh/m²
Travel score
5.2
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 Araruama reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, March runs on par with February and about 1°C warmer than April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102824
112824
122824
132824
142824
152824
162824
172824
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How March really feels in Araruama

Once humidity and wind are folded in, March averages 7 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
7
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Araruama 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° / 24°17815.413.25.0
Feb29° / 24°12211.712.85.2
Mar28° / 23°16316.112.25.2
Apr27° / 22°8511.511.56.4
May25° / 20°7410.910.96.9
Jun25° / 19°436.910.67.7
Jul24° / 18°457.810.77.7
Aug24° / 19°427.211.27.7
Sep25° / 20°741011.97.0
Oct26° / 21°9411.112.56.5
Nov26° / 22°17215.913.15.6
Dec28° / 23°18916.913.45.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54852
64753
74753
84753
94753
104654
114852
124753
134753
144753
154654
164654
174654
184654
194753
204753
214753
224753
234753
244951
254951
265050
275050
285149
295248
305347
315446

Chance of precipitation in March

Any precipitation

Araruama gets around 163 mm of rain over 16.1 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 51% and peaks near 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
247
347
448
548
649
749
850
950
1050
1151
1251
1351
1452
1553
1653
1754
1854
1954
2054
2154
2254
2353
2453
2553
2652
2751
2851
2950
3049
3149

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1087121
2087121
3087121
4087121
5097021
6097021
7097021
8097120
9097120
10097120
11097219
120107119
130107218
140117118
150127117
161136917
171146916
181156816
191166815
201166815
211176814
221186714
232196613
242196613
252206612
263206611
273206611
283206710
29421669
30421669
31521668

Wind in March

Winds average 11 km/h in March.

Across March, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:48 AM to 7:00 AM, and sunset from 7:18 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:487:18
212.56:487:17
312.56:497:16
412.46:497:15
512.46:507:14
612.46:507:13
712.46:507:12
812.36:517:11
912.36:517:11
1012.36:527:10
1112.36:527:09
1212.36:537:08
1312.26:537:07
1412.26:537:06
1512.26:547:05
1612.26:547:04
1712.16:547:03
1812.16:557:02
1912.16:557:01
2012.16:567:00
2112.16:566:59
2212.06:566:58
2312.06:576:57
2412.06:576:56
2512.06:576:55
2611.96:586:54
2711.96:586:53
2811.96:596:52
2911.96:596:51
3011.86:596:50
3111.87:006:49

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.34 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 6.32 kWh/m² in February across the year — March's 5.34 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in March

Hazard calendar for Araruama

In seasonPeak

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

Araruama'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 Araruama?

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

5.2
Sightseeing
9th-best month of the year
6.0
Beach & pool
9th-best month of the year

March is a reasonable time to visit Araruama for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Araruama in March

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

In March, Araruama sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Araruama in March

The nearest coast averages about 26°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 28 km away) is warmest in March at about 26°C and coldest in September near 22°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar26Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Araruama in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Araruama peaks around January 14 at about 14 (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 highExtremeJan 14UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug8Very high
Sep7High
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Araruama?

Araruama sits at 22.9°S, 42.3°W, 20 m above sea level, in Brazil. The nearest listed city is Iguaba Grande, 12 km away.

Topography around Araruama

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

Within 3 km, the terrain around Araruama has only modest variations in elevation — a maximum elevation change of 67 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 584 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.

The land around Araruama is covered by artificial surfaces (50%) and water (22%) within 3 km, water (37%), grassland (32%) and trees (21%) within 16 km, and water (45%) and trees (31%) within 80 km.

3 km
67 m
16 km
584 m
80 km
2,252 m
treesgrasslandartificial surfaceswaterwetland
March weather nearby: Iguaba Grande 12 km · Saquarema 13 km · São Pedro da Aldeia 25 km · Silva Jardim 25 km · Cabo Frio 33 km · Rio Bonito 33 km · Arraial do Cabo 34 km · Tanguá 41 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 Araruama (-22.8728°, -42.3431°, elevation 20 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).