Santa Rosa weather in March

In March, Santa Rosa sees average daytime highs of 28°C and overnight lows near 20°C, with 249 mm of rain across 18.1 wet days and about 12.2 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 26°C by the end. The sky is clear or mostly clear about 15% 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 Santa Rosa's 12th-clearest and 9th-windiest month. For the whole year in context, see Santa Rosa's year-round climate.

Daytime high
28°
7th warmest
Overnight low
20°
9th coldest
Rainfall
249 mm
18.1 wet days
Daylight
12 h 12 min
7:22 AM – 7:32 PM
Cloud cover
70%
12th clearest
Wind
5 km/h
9th windiest
Solar energy
4.2 kWh/m²
Travel score
4.8
out of 10

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 26°C by the end.

A typical March day in Santa Rosa reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°C. Set against its neighbours, March runs about 2°C cooler than February and about 3°C warmer than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
92920
102920
112820
122820
132820
142820
152820
162820
172820
182820
192720
202720
212720
222720
232719
242719
252719
262719
272719
282719
292619
302619
312619

How March really feels in Santa Rosa

Once humidity and wind are folded in, March averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Santa Rosa weather by month

How March compares with the rest of the year at a glance. March is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°22416.513.33.7
Feb30° / 21°22816.212.84.1
Mar28° / 20°24918.112.24.8
Apr25° / 17°16215.311.55.9
May22° / 14°7911.910.96.3
Jun20° / 11°387.910.66.6
Jul21° / 235.110.77.5
Aug25° / 11°163.611.28.3
Sep28° / 15°224.311.97.1
Oct30° / 18°819.512.55.0
Nov31° / 20°12611.913.14.3
Dec31° / 21°21815.413.43.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in March, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63367
73268
83169
93169
103070
113070
123070
133070
143070
153070
163070
173169
183169
193169
203268
213268
223268
233268
243367
253268
263367
273367
283268
293268
303169
313169

Chance of precipitation in March

Any precipitation

Santa Rosa gets around 249 mm of rain over 18.1 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 59% and peaks near 61% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
158
258
358
459
559
659
760
860
961
1061
1161
1261
1361
1461
1561
1661
1760
1860
1959
2059
2158
2258
2358
2458
2558
2658
2758
2858
2958
3058
3158

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021540421
2021540421
3021540421
4021440421
5021441431
6021441431
7021441431
8121441421
9121441421
10121441421
11121441421
12121441411
13121442401
14131542391
15131543371
16131643361
17141744341
18141844331
19151845310
20151945300
21152045280
22162145270
23162244260
24162344250
25172444240
26172543230
27182642230
28182642220
29192741220
301102740220
311102739220

Wind in March

Winds average 5 km/h in March.

Across March, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 7:16 AM to 7:28 AM, and sunset from 7:46 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:167:46
212.57:167:45
312.57:177:45
412.47:177:44
512.47:187:43
612.47:187:42
712.47:187:41
812.47:197:40
912.37:197:39
1012.37:207:38
1112.37:207:37
1212.37:217:36
1312.27:217:35
1412.27:217:34
1512.27:227:33
1612.27:227:32
1712.17:237:31
1812.17:237:30
1912.17:247:29
2012.17:247:28
2112.17:247:27
2212.07:257:26
2312.07:257:25
2412.07:257:24
2512.07:267:23
2611.97:267:22
2711.97:277:21
2811.97:277:20
2911.97:277:19
3011.87:287:18
3111.87:287:17

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.2 kWh/m².

For context, solar energy here swings from a low near 2.94 kWh/m² to a high of 5.68 kWh/m² in December across the year — March's 4.2 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.0Bright
214.0Bright
224.0Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
313.6Moderate
Planning a trip in March

Hazard calendar for Santa Rosa

In seasonPeak

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

Santa Rosa's monsoon runs November–April, 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 Santa Rosa?

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

4.8
Sightseeing
8th-best month of the year
5.4
Beach & pool
8th-best month of the year

March is a reasonable time to visit Santa Rosa for sightseeing.

What to pack for Santa Rosa in March

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

In March, Santa Rosa sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. About 18 days see rain.

light clothesrain gear

UV index in Santa Rosa 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 Santa Rosa peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 18UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep10Very high
Oct8Very high
Nov13Extreme
Dec14Extreme

Air quality in Santa Rosa 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 Santa Rosa is worst in September — around 36 µg/m³ PM2.5 (poor), about 8.2× the cleanest month (May, 4 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateSep 2135 µg/m³May 135 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr5Good
May4Good
Jun7Good
Jul8Good
Aug15Moderate
Sep36Poor
Oct32Moderate
Nov27Moderate
Dec17Moderate
Location & terrain

Where is Santa Rosa?

Santa Rosa sits at 23.4°S, 64.4°W, 341 m above sea level, in Argentina. The nearest listed city is Pichanal, 23 km away.

Topography around Santa Rosa

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

Within 3 km, the terrain around Santa Rosa has only modest variations in elevation — a maximum elevation change of 78 m around an average of 352 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,850 m.

The land around Santa Rosa is covered by cropland (43%) and trees (31%) within 3 km, trees (62%) and cropland (31%) within 16 km, and trees (64%) within 80 km.

3 km
78 m
16 km
433 m
80 km
4,850 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Pichanal 23 km · San Ramón de la Nueva Orán 30 km · Embarcación 39 km · Libertador General San Martín 60 km · Bermejo 74 km · San Pedro de Jujuy 103 km · General Mosconi 109 km · Tartagal 116 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

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 Rosa (-23.3943°, -64.4251°, elevation 341 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).