San Javier weather in August

In August, San Javier sees average daytime highs of 21°C and overnight lows near 10°C, with 63 mm of rain across 5.3 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 22°C by the end. The sky is clear or mostly clear about 54% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of August to 11 h 18 min by month's end. Set against the rest of the year, August is San Javier's 1st-clearest and 3rd-windiest month. For the whole year in context, see San Javier's year-round climate.

Daytime high
21°
10th warmest
Overnight low
10°
3rd coldest
Rainfall
63 mm
5.3 wet days
Daylight
10 h 54 min
7:37 AM – 6:30 PM
Cloud cover
40%
1st clearest
Wind
13 km/h
3rd windiest
Solar energy
3.81 kWh/m²
Travel score
7.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 22°C by the end.

A typical August day in San Javier reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 29°C. Set against its neighbours, August runs about 3°C warmer than July and about 2°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3199
4199
5209
6209
7209
8209
9209
10209
11209
12209
13209
14219
15219
162110
172110
182110
192110
202110
212110
222110
232110
242210
252211
262211
272211
282211
292211
302211
312211

How August really feels in San Javier

Once humidity and wind are folded in, August 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

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

San Javier 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
Jan31° / 21°1279.413.84.6
Feb30° / 20°1188.813.15.1
Mar28° / 18°1179.112.26.2
Apr25° / 15°1388.911.37.2
May21° / 12°83610.57.1
Jun18° / 10°615.610.16.6
Jul18° / 435.210.26.8
Aug21° / 10°635.310.97.4
Sep23° / 12°766.711.87.6
Oct25° / 15°1379.512.87.1
Nov28° / 17°1197.613.56.6
Dec30° / 19°1378.713.95.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36238
46238
56337
66337
76436
86535
96535
106535
116535
126634
136733
146733
156733
166733
176832
186832
196832
206832
216832
226832
236634
246634
256535
266535
276436
286337
296436
306337
316139

Chance of precipitation in August

Any precipitation

San Javier gets around 63 mm of rain over 5.3 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 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
416
516
616
716
816
916
1016
1116
1216
1317
1417
1517
1617
1717
1817
1918
2018
2118
2219
2319
2419
2520
2620
2720
2821
2921
3021
3122

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1781471
2781471
3781471
4781471
5781471
6791461
7791461
8791461
9791461
10781561
11781561
12781561
13781561
14771571
15771571
16761581
17751681
18741691
19741691
207316101
217216102
227216102
237116112
247116112
257016122
267016122
277016122
287016122
296916132
306817132
316817132

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
1413light breeze
1513light 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 30 min at the start of August to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over August. Sunrise moves from 7:51 AM to 7:20 AM, and sunset from 6:21 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.57:516:21
210.57:506:22
310.57:496:22
410.67:486:23
510.67:486:23
610.67:476:24
710.67:466:25
810.77:456:25
910.77:446:26
1010.77:436:27
1110.77:426:27
1210.87:416:28
1310.87:406:28
1410.87:396:29
1510.97:386:30
1610.97:376:30
1710.97:366:31
1810.97:356:32
1911.07:346:32
2011.07:336:33
2111.07:326:33
2211.17:316:34
2311.17:306:35
2411.17:296:35
2511.17:276:36
2611.27:266:36
2711.27:256:37
2811.27:246:38
2911.37:236:38
3011.37:216:39
3111.37:206:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.81 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 7.1 kWh/m² in December across the year — August's 3.81 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.6Moderate
103.6Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
214.0Moderate
224.0Moderate
234.0Bright
244.0Bright
254.0Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.2Bright
314.2Bright
Planning a trip in August

Is August a good time to visit San Javier?

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

7.4
Sightseeing
2nd-best month of the year
4.3
Beach & pool
10th-best month of the year

August is one of the better times to visit San Javier for general sightseeing.

What to pack for San Javier in August

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

In August, San Javier sees daytime highs around 21°C and nights near 10°C. Little to plan around — just the basics. About 5 days see rain.

UV index in San Javier in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — 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 Javier peaks around January 20 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 highModerateHighVery highExtremeJan 20UV 13Jun 19UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5High
Sep7Very high
Oct8Very high
Nov11Extreme
Dec13Extreme

Air quality in San Javier 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 Javier is worst in August — around 22 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (May, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1721 µg/m³May 116 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb8Good
Mar6Good
Apr6Good
May6Good
Jun7Good
Jul13Moderate
Aug22Moderate
Sep15Moderate
Oct9Good
Nov6Good
Dec7Good
Location & terrain

Where is San Javier?

San Javier sits at 30.6°S, 59.9°W, 30 m above sea level, in Argentina. The nearest listed city is La Paz, 33 km away.

Topography around San Javier

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

Within 3 km, the terrain around San Javier has only modest variations in elevation — a maximum elevation change of 29 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 36 m; within 80 km, only modest variations in elevation — a maximum elevation change of 78 m.

The land around San Javier is covered by wetland (50%) and grassland (20%) within 3 km, wetland (71%) within 16 km, and grassland (27%), wetland (26%) and cropland (23%) within 80 km.

3 km
29 m
16 km
36 m
80 km
78 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: La Paz 33 km · Santa Elena 43 km · San Justo 68 km · Esquina 74 km · Federal 118 km · Vera 128 km · Esperanza 136 km · Santa Fe 140 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 Javier (-30.5807°, -59.9296°, 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).