Tres Arroyos weather in March

In March, Tres Arroyos sees average daytime highs of 25°C and overnight lows near 13°C, with 76 mm of rain across 8.2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 48% of the time in March, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Tres Arroyos's 4th-clearest and 10th-windiest month. For the whole year in context, see Tres Arroyos's year-round climate.

Daytime high
25°
4th warmest
Overnight low
13°
9th coldest
Rainfall
76 mm
8.2 wet days
Daylight
12 h 18 min
7:02 AM – 7:20 PM
Cloud cover
45%
4th clearest
Wind
15 km/h
10th windiest
Solar energy
4.91 kWh/m²
Travel score
7.4
out of 10

Tres Arroyos is city in Buenos Aires Province, Argentina.

Density
3,139/km²
people per km²
Founded
1884

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 26°C in the first days to 23°C by the end.

A typical March day in Tres Arroyos reaches about 25°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, March runs about 3°C cooler than February and about 4°C warmer than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72614
82614
92614
102514
112514
122514
132514
142514
152514
162513
172413
182413
192413
202413
212413
222413
232413
242413
252412
262312
272312
282312
292312
302312
312312

How March really feels in Tres Arroyos

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.

Tres Arroyos weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 15°749.714.46.1
Feb27° / 15°758.313.56.9
Mar25° / 13°768.212.37.4
Apr21° / 10°647.2116.9
May17° / 466.29.95.7
Jun13° / 335.29.44.2
Jul13° / 386.19.63.8
Aug15° / 475.810.54.9
Sep17° / 516.911.75.8
Oct20° / 789.4136.4
Nov23° / 11°839.314.17.1
Dec27° / 14°788.814.66.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26634
36535
46535
56535
66535
76535
86535
96436
106436
116436
126436
136436
146535
156535
166535
176535
186436
196535
206436
216535
226535
236535
246436
256436
266337
276436
286337
296238
306238
316139

Chance of precipitation in March

Any precipitation

Tres Arroyos gets around 76 mm of rain over 8.2 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 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
830
930
1030
1130
1230
1330
1429
1529
1628
1728
1827
1926
2026
2125
2224
2324
2423
2523
2623
2723
2823
2923
3023
3124

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14427217
24427217
34427226
44427226
54427236
64526235
74526245
84526245
94625245
104725235
114825234
124924224
135124214
145224204
155424193
165623183
175723173
185723173
195923162
206023152
216123142
226123142
236323131
246323131
256423121
266522121
276522121
286622111
296721111
306721111
316920101

Wind in March

Winds average 15 km/h in March.

Across March, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 54 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over March. Sunrise moves from 6:46 AM to 7:16 AM, and sunset from 7:42 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:467:42
212.96:477:41
312.96:487:40
412.86:497:38
512.86:507:37
612.76:517:35
712.76:537:34
812.66:547:32
912.66:557:31
1012.66:567:29
1112.56:577:28
1212.56:587:26
1312.46:597:25
1412.47:007:23
1512.47:017:22
1612.37:027:20
1712.37:027:18
1812.27:037:17
1912.27:047:15
2012.17:057:14
2112.17:067:12
2212.17:077:11
2312.07:087:09
2412.07:097:07
2511.97:107:06
2611.97:117:04
2711.87:127:03
2811.87:137:01
2911.87:146:59
3011.77:156:58
3111.77:166:56

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.91 kWh/m².

For context, solar energy here swings from a low near 1.95 kWh/m² to a high of 7.77 kWh/m² in December across the year — March's 4.91 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in March

Is March a good time to visit Tres Arroyos?

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

7.4
Sightseeing
1st-best month of the year
6.4
Beach & pool
4th-best month of the year

March is one of the better times to visit Tres Arroyos for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tres Arroyos in March

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

In March, Tres Arroyos sees daytime highs around 25°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Tres Arroyos in March

The nearest coast averages about 20°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 56 km away) is warmest in February at about 21°C and coldest in August near 10°C.

It's comfortable for a long swim from Jan 8 to Mar 21 — about 2.4 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar20Refreshing
Apr18Cool
May15Cool
Jun12Bracing
Jul10Bracing
Aug10Bracing
Sep11Bracing
Oct13Bracing
Nov16Cool
Dec18Cool

UV index in Tres Arroyos in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tres Arroyos peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateModerateVery highExtremeDec 20UV 12Jun 21UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar8Very high
Apr6High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Very high
Dec13Extreme
Location & terrain

Where is Tres Arroyos?

Tres Arroyos sits at 38.4°S, 60.3°W, 100 m above sea level, in Argentina. The nearest listed city is Benito Juárez, 89 km away.

Topography around Tres Arroyos

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

Within 3 km, the terrain around Tres Arroyos has only modest variations in elevation — a maximum elevation change of 21 m around an average of 109 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, significant variations in elevation — a maximum elevation change of 268 m.

The land around Tres Arroyos is covered by artificial surfaces (43%) and grassland (41%) within 3 km, cropland (81%) within 16 km, and cropland (61%) and grassland (28%) within 80 km.

3 km
21 m
16 km
93 m
80 km
268 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Benito Juárez 89 km · Coronel Pringles 104 km · Necochea 135 km · Tandil 154 km · Olavarría 165 km · Punta Alta 166 km · Bahía Blanca 177 km · Coronel Suárez 178 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 Tres Arroyos (-38.3769°, -60.2756°, elevation 100 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).