Santa Rosa weather in August

In August, Santa Rosa sees average daytime highs of 16°C and overnight lows near 5°C, with 27 mm of rain across 4 wet days and about 10.6 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°C by the end. The sky is clear or mostly clear about 45% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of August to 11 h 06 min by month's end. Set against the rest of the year, August is Santa Rosa's 7th-clearest and 6th-windiest month. For the whole year in context, see Santa Rosa's year-round climate.

Daytime high
16°
10th warmest
Overnight low
3rd coldest
Rainfall
27 mm
4 wet days
Daylight
10 h 36 min
8:04 AM – 6:39 PM
Cloud cover
47%
7th clearest
Wind
12 km/h
6th windiest
Solar energy
3.44 kWh/m²
Travel score
6.1
out of 10

Santa Rosa is capital of La Pampa Province, Argentina.

Density
69/km²
people per km²
Founded
1892

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 15°C in the first days to 18°C by the end.

A typical August day in Santa Rosa reaches about 16°C in the afternoon and slips back to 5°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, August runs about 3°C warmer than July and about 3°C cooler than September.

10°20°151015202531
Avg high (°C)Avg low (°C)
1153
2153
3154
4154
5154
6154
7154
8154
9164
10164
11164
12164
13164
14165
15165
16165
17175
18175
19175
20175
21175
22176
23176
24176
25176
26186
27186
28186
29186
30186
31186

How August really feels in Santa Rosa

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.

Santa Rosa 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° / 18°82914.25.6
Feb28° / 17°817.913.46.4
Mar26° / 15°86812.37.4
Apr22° / 11°676.311.17.4
May17° / 30510.16.2
Jun14° / 173.39.54.8
Jul14° / 193.79.84.6
Aug16° / 27410.66.1
Sep19° / 485.811.86.9
Oct22° / 11°839.612.96.9
Nov26° / 14°748.1147.4
Dec29° / 16°858.514.56.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55743
65743
75842
85743
95743
105743
115842
125842
135842
145941
155941
166040
176040
186139
196040
206139
216139
226139
236040
246040
256040
266040
275842
285842
295743
305743
315644

Chance of precipitation in August

Any precipitation

Santa Rosa gets around 27 mm of rain over 4 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 13% and peaks near 15% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
212
312
412
512
612
712
812
912
1012
1112
1212
1312
1412
1513
1613
1713
1813
1913
2013
2114
2214
2314
2414
2514
2614
2714
2815
2915
3015
3115

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 (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982
31982

Wind in August

Winds average 12 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 12 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
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 06 min at the start of August to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over August. Sunrise moves from 8:20 AM to 7:43 AM, and sunset from 6:27 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.18:206:27
210.18:196:27
310.28:186:28
410.28:176:29
510.28:166:30
610.38:156:31
710.38:146:31
810.38:136:32
910.48:126:33
1010.48:116:34
1110.48:106:35
1210.58:086:36
1310.58:076:36
1410.58:066:37
1510.68:056:38
1610.68:046:39
1710.68:026:40
1810.78:016:41
1910.78:006:42
2010.77:586:42
2110.87:576:43
2210.87:566:44
2310.87:546:45
2410.97:536:46
2510.97:526:47
2611.07:506:47
2711.07:496:48
2811.07:476:49
2911.17:466:50
3011.17:446:51
3111.17:436:51

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.44 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.87 kWh/m² in December across the year — August's 3.44 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.9Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.1Moderate
73.1Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.4Moderate
153.4Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.7Moderate
233.7Moderate
243.7Moderate
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 Santa Rosa?

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

6.1
Sightseeing
9th-best month of the year
1.0
Beach & pool
10th-best month of the year

August is a reasonable time to visit Santa Rosa for sightseeing.

What to pack for Santa Rosa in August

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

In August, Santa Rosa sees daytime highs around 16°C and nights near 5°C. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in Santa Rosa 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 Santa Rosa peaks around January 1 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 1UV 13Jun 21UV 2
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul2Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Santa Rosa?

Santa Rosa sits at 36.6°S, 64.3°W, 163 m above sea level, in Argentina. The nearest listed city is Toay, 10 km away.

General VillegasCoronel SuárezPehuajó

Topography around Santa Rosa

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

Within 3 km, the terrain around Santa Rosa has only modest variations in elevation — a maximum elevation change of 34 m around an average of 180 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 118 m; within 80 km, significant variations in elevation — a maximum elevation change of 274 m.

The land around Santa Rosa is covered by artificial surfaces (59%) within 3 km, cropland (65%) within 16 km, and cropland (59%) within 80 km.

3 km
34 m
16 km
118 m
80 km
274 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Toay 10 km · General Acha 89 km · General Pico 117 km · Trenque Lauquen 157 km · Pigüé 200 km · General Villegas 210 km · Coronel Suárez 229 km · Pehuajó 232 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 Santa Rosa (-36.6162°, -64.2899°, elevation 163 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).