Santo Amaro weather in March

In March, Santo Amaro sees average daytime highs of 31°C and overnight lows near 23°C, with 80 mm of rain across 17.4 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 29% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of March to 11 h 54 min by month's end. Set against the rest of the year, March is Santo Amaro's 5th-clearest and 12th-windiest month. For the whole year in context, see Santo Amaro's year-round climate.

Daytime high
31°
4th warmest
Overnight low
23°
12th coldest
Rainfall
80 mm
17.4 wet days
Daylight
12 h 06 min
5:42 AM – 5:47 PM
Cloud cover
59%
5th clearest
Wind
9 km/h
12th windiest
Solar energy
5.74 kWh/m²
Travel score
3.7
out of 10

Santo Amaro 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 31°C through the month.

A typical March day in Santo Amaro reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, March runs on par with February and about 2°C warmer than April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How March really feels in Santo Amaro

Once humidity and wind are folded in, March averages 31 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
31
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.

Santo Amaro weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°7013.712.73.9
Feb32° / 23°6113.612.43.7
Mar31° / 23°8017.412.13.7
Apr30° / 23°10020.311.73.9
May28° / 22°12220.911.44.7
Jun26° / 21°11122.311.34.8
Jul26° / 20°9021.411.35.1
Aug26° / 19°7319.511.65.3
Sep28° / 20°5614.811.95.6
Oct30° / 21°4911.312.35.1
Nov31° / 22°621112.64.5
Dec31° / 23°5510.312.74.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 24% of March, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75545
85545
95446
105446
115446
125347
135347
145347
155248
165248
175347
185248
195248
205248
215149
225248
235248
245248
255149
265248
275347
285248
295347
305446
315446

Chance of precipitation in March

Any precipitation

Santo Amaro gets around 80 mm of rain over 17.4 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 55% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
549
650
750
851
951
1052
1152
1253
1353
1453
1554
1654
1755
1856
1957
2057
2158
2259
2360
2461
2561
2661
2762
2862
2962
3062
3162

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
111890
211881
311881
411881
510891
610891
710891
810891
99901
109901
119901
129901
139901
148902
158902
168902
178902
188902
198902
208902
217903
227903
237903
247903
257903
267903
277894
287894
297894
307894
317894

Wind in March

Winds average 9 km/h in March, the calmest month.

Across March, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 18 min at the start of March to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over March. Sunrise moves from 5:40 AM to 5:43 AM, and sunset from 5:56 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:405:56
212.35:405:55
312.25:415:55
412.25:415:54
512.25:415:54
612.25:415:53
712.25:415:53
812.25:415:52
912.25:415:51
1012.25:415:51
1112.15:425:50
1212.15:425:50
1312.15:425:49
1412.15:425:48
1512.15:425:48
1612.15:425:47
1712.15:425:46
1812.15:425:46
1912.15:425:45
2012.05:425:44
2112.05:425:44
2212.05:425:43
2312.05:425:42
2412.05:425:42
2512.05:425:41
2612.05:425:40
2712.05:425:40
2811.95:425:39
2911.95:435:38
3011.95:435:38
3111.95:435:37

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.74 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 6.16 kWh/m² in December across the year — March's 5.74 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in March

Is March a good time to visit Santo Amaro?

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

3.7
Sightseeing
11th-best month of the year
5.5
Beach & pool
7th-best month of the year

March is a weaker month for outdoor sightseeing in Santo Amaro.

What to pack for Santo Amaro in March

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

In March, Santo Amaro sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Santo Amaro in March

The nearest coast averages about 28°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 65 km away) is warmest in March at about 28°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Santo Amaro in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Amaro peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 23UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Santo Amaro?

Santo Amaro sits at 12.5°S, 38.7°W, 11 m above sea level, in Brazil. The nearest listed city is São Francisco do Conde, 10 km away.

Topography around Santo Amaro

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

Within 3 km, the terrain around Santo Amaro has only modest variations in elevation — a maximum elevation change of 96 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 239 m; within 80 km, large variations in elevation — a maximum elevation change of 602 m.

The land around Santo Amaro is covered by trees (46%) and grassland (37%) within 3 km, grassland (51%) and trees (37%) within 16 km, and grassland (45%) and trees (31%) within 80 km.

3 km
96 m
16 km
239 m
80 km
602 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
March weather nearby: São Francisco do Conde 10 km · Amélia Rodrigues 17 km · Candeias 22 km · Madre de Deus 24 km · São Sebastião do Passé 24 km · Conceição do Jacuípe 26 km · Cachoeira 28 km · São Gonçalo dos Campos 29 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 Santo Amaro (-12.5467°, -38.7119°, elevation 11 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).