San Pedro weather in August

In August, San Pedro sees average daytime highs of 18°C and overnight lows near 7°C, with 62 mm of rain across 5.5 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 47% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is San Pedro's 6th-clearest and 4th-windiest month. For the whole year in context, see San Pedro's year-round climate.

Daytime high
18°
10th warmest
Overnight low
3rd coldest
Rainfall
62 mm
5.5 wet days
Daylight
10 h 42 min
7:41 AM – 6:25 PM
Cloud cover
48%
6th clearest
Wind
13 km/h
4th windiest
Solar energy
3.52 kWh/m²
Travel score
6.5
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 19°C by the end.

A typical August day in San Pedro reaches about 18°C in the afternoon and slips back to 7°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 24°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1166
2166
3176
4177
5177
6177
7177
8177
9177
10177
11177
12187
13187
14187
15187
16187
17187
18187
19188
20188
21198
22198
23198
24198
25198
26198
27198
28198
29198
30199
31199

San Pedro weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 10th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45545
55545
65545
75743
85743
95842
105842
116040
126040
136040
146139
156238
166238
176139
186139
196139
206040
216040
225941
235941
245842
255743
265743
275545
285545
295545
305545
315545

Chance of precipitation in August

Any precipitation

San Pedro gets around 62 mm of rain over 5.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 23% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
215
315
415
515
615
715
815
915
1016
1116
1216
1317
1417
1517
1618
1718
1819
1919
2019
2120
2220
2321
2421
2521
2622
2722
2822
2923
3023
3123

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
190820
290820
390820
490820
590820
690820
790820
890820
990820
1090820
1190820
1290820
1389830
1488930
1588930
16871030
17871030
18861040
19851140
20841141
21831241
22831241
23831241
24821341
25821341
26821341
27821341
28821341
29821341
30821341
31811351

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 18 min at the start of August to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over August. Sunrise moves from 7:55 AM to 7:22 AM, and sunset from 6:14 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:556:14
210.37:556:15
310.47:546:15
410.47:536:16
510.47:526:17
610.47:516:18
710.57:506:18
810.57:496:19
910.57:486:20
1010.67:476:21
1110.67:466:21
1210.67:456:22
1310.67:446:23
1410.77:436:23
1510.77:426:24
1610.77:416:25
1710.87:396:26
1810.87:386:26
1910.87:376:27
2010.97:366:28
2110.97:356:29
2210.97:336:29
2311.07:326:30
2411.07:316:31
2511.07:306:31
2611.17:286:32
2711.17:276:33
2811.17:266:34
2911.27:246:34
3011.27:236:35
3111.27:226:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.52 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 — August's 3.52 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.2Moderate
73.2Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.9Moderate
293.9Moderate
303.9Moderate
314.0Moderate
Planning a trip in August

Is August a good time to visit San Pedro?

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

6.5
Sightseeing
7th-best month of the year
2.1
Beach & pool
10th-best month of the year

August is a reasonable time to visit San Pedro for sightseeing.

What to pack for San Pedro in August

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

In August, San Pedro sees daytime highs around 18°C and nights near 7°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in San Pedro in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).