Rosario de la Frontera weather in August

In August, Rosario de la Frontera sees average daytime highs of 22°C and overnight lows near 7°C, with 15 mm of precipitation across 3.5 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 67% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is Rosario de la Frontera's 1st-clearest and 4th-windiest month. For the whole year in context, see Rosario de la Frontera's year-round climate.

Daytime high
22°
9th warmest
Overnight low
3rd coldest
Precipitation
15 mm
3.5 wet days
Daylight
11 h 06 min
7:51 AM – 6:57 PM
Cloud cover
31%
1st clearest
Wind
8 km/h
4th windiest
Solar energy
4.56 kWh/m²
Travel score
8.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 23°C by the end.

A typical August day in Rosario de la Frontera reaches about 22°C in the afternoon and slips back to 7°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 13°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)
1206
2206
3206
4206
5206
6206
7216
8216
9216
10216
11216
12217
13217
14217
15217
16227
17227
18227
19227
20227
21228
22228
23228
24238
25238
26238
27238
28238
29239
30239
31239

Rosario de la Frontera weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°24420.213.44.9
Feb26° / 17°19918.112.95.1
Mar24° / 16°16918.312.25.5
Apr22° / 13°9113.411.46.1
May20° / 10°42910.86.4
Jun18° / 185.310.46.9
Jul19° / 13410.67.4
Aug22° / 153.511.18.1
Sep24° / 10°255.111.88.0
Oct26° / 14°7811.712.66.6
Nov26° / 15°12214.813.35.8
Dec27° / 17°19618.513.65.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37426
47426
57426
67426
77426
87426
97426
107624
117624
127624
137723
147723
157723
167822
177822
187822
197822
207921
217921
227822
237822
247822
257723
267723
277624
287624
297624
307525
317525

Chance of precipitation in August

Any precipitation

Rosario de la Frontera gets around 15 mm of rain and snow over 3.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 11% and peaks near 13% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
112
212
312
412
513
613
713
813
912
1012
1112
1212
1311
1411
1511
1610
1710
1810
199
209
219
229
239
2410
2510
2610
2710
2811
2911
3011
3112

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24982
25982
26982
27982
28973
29973
30973
31973

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 48 min at the start of August to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over August. Sunrise moves from 8:03 AM to 7:37 AM, and sunset from 6:49 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.88:036:49
210.88:026:50
310.88:016:50
410.88:016:51
510.98:006:51
610.97:596:52
710.97:596:52
810.97:586:53
910.97:576:53
1011.07:566:54
1111.07:566:54
1211.07:556:55
1311.07:546:55
1411.07:536:56
1511.17:526:56
1611.17:516:57
1711.17:516:57
1811.17:506:58
1911.27:496:58
2011.27:486:58
2111.27:476:59
2211.27:466:59
2311.27:457:00
2411.37:447:00
2511.37:437:01
2611.37:427:01
2711.37:417:02
2811.47:407:02
2911.47:397:02
3011.47:387:03
3111.47:377:03

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.56 kWh/m².

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 5.87 kWh/m² in December across the year — August's 4.56 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in August

Hazard calendar for Rosario de la Frontera

In seasonPeak

None of Rosario de la Frontera's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Rosario de la Frontera's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Rosario de la Frontera?

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

8.1
Sightseeing
1st-best month of the year
5.3
Beach & pool
5th-best month of the year

August is one of the better times to visit Rosario de la Frontera for general sightseeing.

What to pack for Rosario de la Frontera in August

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

In August, Rosario de la Frontera sees daytime highs around 22°C and nights near 7°C. Worth packing: a warm layer and sun protection. About 4 days see rain.

a warm layersun protection

UV index in Rosario de la Frontera in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rosario de la Frontera peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 15Jul 10UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug7High
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Rosario de la Frontera?

Rosario de la Frontera sits at 25.8°S, 65.0°W, 768 m above sea level, in Argentina. The nearest listed city is San José de Metán, 34 km away.

Topography around Rosario de la Frontera

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rosario de la Frontera.

Within 3 km, the terrain around Rosario de la Frontera has only modest variations in elevation — a maximum elevation change of 88 m around an average of 791 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 975 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,471 m.

The land around Rosario de la Frontera is covered by cropland (50%) within 3 km, trees (53%) and cropland (38%) within 16 km, and trees (52%) within 80 km.

3 km
88 m
16 km
975 m
80 km
3,471 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: San José de Metán 34 km · Cafayate 105 km · Tafí Viejo 108 km · Rosario de Lerma 109 km · San José de los Cerrillos 113 km · Joaquín V. González 114 km · Alderetes 115 km · San Miguel de Tucuman 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 Rosario de la Frontera (-25.7986°, -64.9739°, elevation 768 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).