Rosario de Lerma weather in August

In August, Rosario de Lerma sees average daytime highs of 18°C and overnight lows near 6°C, with 27 mm of precipitation across 5.8 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 64% 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 30 min by month's end. Set against the rest of the year, August is Rosario de Lerma's 1st-clearest and 4th-windiest month. For the whole year in context, see Rosario de Lerma's year-round climate.

Daytime high
18°
9th warmest
Overnight low
3rd coldest
Precipitation
27 mm
5.8 wet days
Daylight
11 h 06 min
7:53 AM – 7:00 PM
Cloud cover
33%
1st clearest
Wind
5 km/h
4th windiest
Solar energy
4.9 kWh/m²
Travel score
7.0
out of 10

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 20°C by the end.

A typical August day in Rosario de Lerma reaches about 18°C in the afternoon and slips back to 6°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 25°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)
1174
2175
3175
4175
5175
6175
7185
8185
9185
10185
11185
12185
13185
14185
15185
16185
17196
18196
19196
20196
21196
22196
23196
24196
25196
26196
27197
28207
29207
30207
31207

Rosario de Lerma weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan24° / 16°21624.3013.44.6
Feb23° / 16°19522.7012.94.4
Mar22° / 15°20223.8012.24.4
Apr20° / 12°12919.50.111.44.7
May17° / 7413.60.210.85.1
Jun16° / 368.20.410.55.5
Jul16° / 286.70.710.65.8
Aug18° / 275.80.311.17.0
Sep20° / 397.60.111.87.0
Oct22° / 12°91140.112.66.2
Nov23° / 14°12616.5013.25.7
Dec24° / 15°18121.2013.55.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47426
57327
67327
77426
87426
97426
107426
117426
127426
137426
147426
157426
167426
177426
187525
197525
207525
217525
227525
237525
247525
257525
267426
277426
287426
297426
307426
317327

Chance of precipitation in August

Any precipitationSnow

Rosario de Lerma gets around 27 mm of rain and snow over 5.8 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 19% and peaks near 21% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1192
2191
3201
4201
5201
6211
7211
8211
9201
10201
11201
12201
13201
14200
15190
16190
17190
18181
19181
20171
21171
22171
23171
24171
25171
26171
27171
28181
29181
30181
31191

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
30991
31991

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 48 min at the start of August to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over August. Sunrise moves from 8:04 AM to 7:38 AM, and sunset from 6:53 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.88:046:53
210.88:036:54
310.98:026:54
410.98:026:54
510.98:016:55
610.98:016:55
710.98:006:56
811.07:596:56
911.07:586:57
1011.07:586:57
1111.07:576:58
1211.07:566:58
1311.17:556:59
1411.17:546:59
1511.17:547:00
1611.17:537:00
1711.17:527:00
1811.27:517:01
1911.27:507:01
2011.27:497:02
2111.27:487:02
2211.37:477:03
2311.37:467:03
2411.37:467:03
2511.37:457:04
2611.37:447:04
2711.47:437:05
2811.47:427:05
2911.47:417:05
3011.47:407:06
3111.57:387:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.9 kWh/m².

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 6.02 kWh/m² in November across the year — August's 4.9 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
315.4Bright
Planning a trip in August

Hazard calendar for Rosario de Lerma

In seasonPeak

None of Rosario de Lerma'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 Lerma's rainy season runs November–April, when most of the year's rain falls.

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

Is August a good time to visit Rosario de Lerma?

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

7.0
Sightseeing
1st-best month of the year
2.6
Beach & pool
8th-best month of the year

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

What to pack for Rosario de Lerma in August

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

In August, Rosario de Lerma sees daytime highs around 18°C and nights near 6°C. Worth packing: a warm layer and sun protection. About 6 days see rain.

a warm layersun protection

UV index in Rosario de Lerma in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Rosario de Lerma peaks around January 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 16UV 16Jul 10UV 6
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr9Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep10Extreme
Oct13Extreme
Nov15Extreme
Dec16Extreme
Location & terrain

Where is Rosario de Lerma?

Rosario de Lerma sits at 25.0°S, 65.6°W, 1,421 m above sea level, in Argentina. The nearest listed city is San José de los Cerrillos, 14 km away.

Topography around Rosario de Lerma

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

Within 3 km, the terrain around Rosario de Lerma has only modest variations in elevation — a maximum elevation change of 103 m around an average of 1,318 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,912 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,593 m.

The land around Rosario de Lerma is covered by cropland (66%) within 3 km, cropland (45%) and trees (38%) within 16 km, and trees (37%), grassland (23%) and bare terrain (23%) within 80 km.

3 km
103 m
16 km
1,912 m
80 km
5,593 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: San José de los Cerrillos 14 km · Salta 26 km · San Lorenzo 29 km · General Güemes 64 km · San José de Metán 83 km · Palpalá 89 km · San Salvador de Jujuy 93 km · Rosario de la Frontera 109 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 Lerma (-24.9858°, -65.5784°, elevation 1,421 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).