San Pedro weather in March

In March, San Pedro sees average daytime highs of 27°C and overnight lows near 16°C, with 105 mm of rain across 7.4 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 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 49% of the time in March, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is San Pedro's 3rd-clearest and 11th-windiest month. For the whole year in context, see San Pedro's year-round climate.

Daytime high
27°
4th warmest
Overnight low
16°
9th coldest
Rainfall
105 mm
7.4 wet days
Daylight
12 h 18 min
7:01 AM – 7:16 PM
Cloud cover
44%
3rd clearest
Wind
11 km/h
11th windiest
Solar energy
5.08 kWh/m²
Travel score
7.2
out of 10

San Pedro is city in the province of Buenos Aires in Argentina.

Founded
1907

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 28°C in the first days to 25°C by the end.

A typical March day in San Pedro reaches about 27°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, March runs about 2°C cooler than February and about 4°C warmer than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62817
72817
82817
92817
102717
112717
122717
132717
142717
152717
162716
172716
182616
192616
202616
212616
222616
232616
242615
252615
262615
272515
282515
292515
302515
312515

San Pedro 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
Jan30° / 19°978.1145.5
Feb29° / 18°1118.313.36.0
Mar27° / 16°1057.412.37.2
Apr23° / 13°1038.211.27.3
May19° / 10°68610.36.7
Jun16° / 485.59.85.6
Jul15° / 485.6105.3
Aug18° / 625.510.76.5
Sep20° / 686.311.87.0
Oct23° / 12°1229.712.87.0
Nov26° / 15°1057.813.77.2
Dec29° / 17°104914.26.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56634
66535
76535
86535
96436
106436
116337
126337
136337
146238
156238
166337
176238
186238
196238
206238
216238
226238
236436
246436
256337
266337
276337
286436
296337
306337
316238

Chance of precipitation in March

Any precipitation

San Pedro gets around 105 mm of rain over 7.4 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 25% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
526
626
726
826
926
1026
1126
1226
1326
1426
1526
1625
1725
1825
1925
2024
2124
2224
2324
2423
2523
2623
2723
2824
2924
3024
3125

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the humid band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112203026111
212213026111
312213026101
413213026101
513212926100
614212926100
714222926100
81522292590
91522292590
101622292590
111622292480
121722292380
131822292370
141923292270
152023292160
162123292150
172224292050
182324292040
192424291930
202524291930
212624291820
222724291820
232725281820
242825281810
252925281710
263025281710
273025271710
283125271610
293225271610
303225261610
313325261510

Wind in March

Winds average 11 km/h in March.

Across March, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 48 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 66 minutes over March. Sunrise moves from 6:48 AM to 7:12 AM, and sunset from 7:35 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:487:35
212.86:497:34
312.76:507:33
412.76:517:32
512.66:527:31
612.66:537:29
712.66:537:28
812.56:547:27
912.56:557:25
1012.56:567:24
1112.46:577:23
1212.46:577:21
1312.46:587:20
1412.36:597:19
1512.37:007:17
1612.37:017:16
1712.27:017:15
1812.27:027:13
1912.27:037:12
2012.17:047:11
2112.17:047:09
2212.07:057:08
2312.07:067:06
2412.07:077:05
2511.97:077:04
2611.97:087:02
2711.97:097:01
2811.87:106:59
2911.87:106:58
3011.87:116:57
3111.77:126:55

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.08 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 7.37 kWh/m² in December across the year — March's 5.08 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.4Bright
314.4Bright
Planning a trip in March

Is March a good time to visit San Pedro?

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

7.2
Sightseeing
2nd-best month of the year
7.1
Beach & pool
4th-best month of the year

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

What to pack for San Pedro in March

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

In March, San Pedro sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in San Pedro 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 San Pedro peaks around January 15 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in San Pedro 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 San Pedro is worst in August — around 40 µg/m³ PM2.5 (poor), about 6.5× the cleanest month (April, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodAug 1637 µg/m³Apr 156 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb7Good
Mar7Good
Apr6Good
May8Good
Jun10Good
Jul21Moderate
Aug40Poor
Sep17Moderate
Oct13Moderate
Nov8Good
Dec8Good
Location & terrain

Where is San Pedro?

San Pedro sits at 33.7°S, 59.7°W, 30 m above sea level, in Argentina. The nearest listed city is Baradero, 21 km away.

Topography around San Pedro

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

Within 3 km, the terrain around San Pedro has only modest variations in elevation — a maximum elevation change of 33 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 49 m; within 80 km, only modest variations in elevation — a maximum elevation change of 92 m.

The land around San Pedro is covered by artificial surfaces (27%) and wetland (24%) within 3 km, wetland (46%) and cropland (28%) within 16 km, and cropland (45%) and wetland (33%) within 80 km.

3 km
33 m
16 km
49 m
80 km
92 m
treesgrasslandcroplandartificial surfaceswaterwetland
March weather nearby: Baradero 21 km · Ramallo 38 km · Arrecifes 59 km · San Nicolás de los Arroyos 63 km · San Antonio de Areco 66 km · Gualeguay 68 km · Zárate 75 km · Carmen de Areco 79 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 San Pedro (-33.6792°, -59.6663°, elevation 30 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).