Santa Cruz do Sul weather in March

In March, Santa Cruz do Sul sees average daytime highs of 28°C and overnight lows near 18°C, with 120 mm of rain across 12.4 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 27°C by the end. The sky is clear or mostly clear about 32% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Santa Cruz do Sul's 2nd-clearest and 8th-windiest month. For the whole year in context, see Santa Cruz do Sul's year-round climate.

Daytime high
28°
4th warmest
Overnight low
18°
10th coldest
Rainfall
120 mm
12.4 wet days
Daylight
12 h 12 min
7:33 AM – 7:46 PM
Cloud cover
57%
2nd clearest
Wind
8 km/h
8th windiest
Solar energy
4.81 kWh/m²
Travel score
5.7
out of 10

Santa Cruz do Sul 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

Highs ease over the month, from about 29°C in the first days to 27°C by the end.

A typical March day in Santa Cruz do Sul reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, March runs about 1°C cooler than February and about 3°C warmer than April.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
112919
122919
132918
142818
152818
162818
172818
182818
192818
202818
212818
222818
232717
242717
252717
262717
272717
282717
292717
302717
312717

Santa Cruz do Sul weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°1551513.74.5
Feb29° / 19°1391413.14.7
Mar28° / 18°12012.412.25.7
Apr25° / 15°12710.111.36.7
May21° / 12°1239.810.56.5
Jun19° / 10°13110.110.16.0
Jul19° / 15410.710.36.0
Aug21° / 11°12510.210.96.5
Sep22° / 12°16111.711.86.3
Oct24° / 14°19913.512.76.2
Nov27° / 16°13511.513.56.3
Dec29° / 18°15213.113.95.1

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 19% of March, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45149
55050
65050
75149
85149
95149
105149
115248
125248
135248
145347
155347
165347
175347
185347
195347
205248
215248
225248
235248
245149
255149
265149
275149
285050
295149
305149
315050

Chance of precipitation in March

Any precipitation

Santa Cruz do Sul gets around 120 mm of rain over 12.4 wet days in March, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
146
245
345
444
544
643
743
842
942
1041
1141
1241
1340
1440
1540
1640
1739
1839
1939
2039
2138
2238
2338
2437
2537
2637
2736
2836
2936
3035
3135

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 58% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1282135331
2282235321
3282236311
4282336301
5282337291
6282437291
7282437281
8282438271
9292538261
10292538251
11292539241
12292639231
132102639221
142102640211
153102740200
163112740180
173112840170
184122840160
194122840150
205132840140
215132940130
225132940120
236142940110
246142940110
256142940100
267142940100
27714294090
28815293990
29815293990
30915293990
31915293890

Wind in March

Winds average 8 km/h in March.

Across March, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
308calm
318calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 42 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 54 minutes over March. Sunrise moves from 7:23 AM to 7:42 AM, and sunset from 8:03 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.77:238:03
212.67:238:02
312.67:248:01
412.67:258:00
512.67:267:59
612.57:267:58
712.57:277:57
812.57:287:55
912.47:287:54
1012.47:297:53
1112.47:307:52
1212.37:307:51
1312.37:317:50
1412.37:317:48
1512.37:327:47
1612.27:337:46
1712.27:337:45
1812.27:347:44
1912.17:357:42
2012.17:357:41
2112.17:367:40
2212.07:367:39
2312.07:377:37
2412.07:387:36
2511.97:387:35
2611.97:397:34
2711.97:397:33
2811.97:407:31
2911.87:417:30
3011.87:417:29
3111.87:427:28

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 2.39 kWh/m² to a high of 6.49 kWh/m² in December 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
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.5Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in March

Is March a good time to visit Santa Cruz do Sul?

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

5.7
Sightseeing
9th-best month of the year
6.5
Beach & pool
1st-best month of the year

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

What to pack for Santa Cruz do Sul in March

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

In March, Santa Cruz do Sul sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Santa Cruz do Sul in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Cruz do Sul peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighExtremeJan 17UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Santa Cruz do Sul?

Santa Cruz do Sul sits at 29.7°S, 52.4°W, 69 m above sea level, in Brazil. The nearest listed city is Vera Cruz, 7.0 km away.

Topography around Santa Cruz do Sul

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Cruz do Sul.

Within 3 km, the terrain around Santa Cruz do Sul has only modest variations in elevation — a maximum elevation change of 221 m around an average of 100 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 428 m; within 80 km, large variations in elevation — a maximum elevation change of 775 m.

The land around Santa Cruz do Sul is covered by artificial surfaces (45%) and trees (43%) within 3 km, trees (50%), cropland (23%) and grassland (22%) within 16 km, and trees (52%) and cropland (28%) within 80 km.

3 km
221 m
16 km
428 m
80 km
775 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Vera Cruz 7.0 km · Venâncio Aires 26 km · Rio Pardo 31 km · Candelária 35 km · Estrela 50 km · Lajeado 53 km · Taquari 55 km · Cachoeira do Sul 58 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 Santa Cruz do Sul (-29.7175°, -52.4258°, elevation 69 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).