Trelew weather in August

In August, Trelew sees average daytime highs of 14°C and overnight lows near 4°C, with 14 mm of rain across 3.4 wet days and about 10.2 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 15°C by the end. The sky is clear or mostly clear about 44% of the time in August, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of August to 10 h 54 min by month's end. Set against the rest of the year, August is Trelew's 11th-clearest and 7th-windiest month. For the whole year in context, see Trelew's year-round climate.

Daytime high
14°
10th warmest
Overnight low
3rd coldest
Rainfall
14 mm
3.4 wet days
Daylight
10 h 12 min
8:19 AM – 6:32 PM
Cloud cover
49%
11th clearest
Wind
18 km/h
7th windiest
Solar energy
2.77 kWh/m²
Travel score
4.9
out of 10

Trelew is city in Argentina.

Density
393/km²
people per km²
Founded
1886

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 13°C in the first days to 15°C by the end.

A typical August day in Trelew reaches about 14°C in the afternoon and slips back to 4°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 19°C. Set against its neighbours, August runs about 2°C warmer than July and about 3°C cooler than September.

10°20°151015202531
Avg high (°C)Avg low (°C)
1133
2133
3133
4133
5133
6144
7144
8144
9144
10144
11144
12144
13144
14144
15144
16144
17144
18144
19144
20154
21154
22154
23155
24155
25155
26155
27155
28155
29155
30155
31155

How August really feels in Trelew

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 13 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
13
wind chill below the day's low

The story in August is cold — wind chill drags the overnight "feels like" below the raw low.

Trelew weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 16°15314.87.9
Feb27° / 15°223.713.88.0
Mar24° / 13°213.512.48.2
Apr20° / 10°192.910.87.6
May16° / 2349.55.6
Jun12° / 234.18.93.8
Jul12° / 143.59.13.7
Aug14° / 143.410.24.9
Sep17° / 18411.76.2
Oct20° / 184.113.27.4
Nov23° / 12°163.214.58.2
Dec26° / 14°18315.18.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26139
36139
46139
56139
66139
76139
86139
96040
105941
115941
125941
135941
145941
155842
165842
175743
185644
195644
205644
215644
225644
235644
245743
255842
265842
275842
285941
295941
306040
316139

Chance of precipitation in August

Any precipitation

Trelew gets around 14 mm of rain over 3.4 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 rain averages around 11% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
610
710
810
911
1011
1111
1211
1311
1411
1511
1611
1711
1811
1912
2012
2112
2212
2312
2412
2512
2612
2712
2812
2912
3012
3113

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

Winds average 18 km/h in August.

Across August, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 9 h 36 min at the start of August to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over August. Sunrise moves from 8:39 AM to 7:54 AM, and sunset from 6:15 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.68:396:15
29.68:386:16
39.78:376:17
49.78:366:18
59.78:356:19
69.88:336:20
79.88:326:22
89.98:316:23
99.98:296:24
1010.08:286:25
1110.08:266:26
1210.08:256:27
1310.18:246:28
1410.18:226:29
1510.28:216:31
1610.28:196:32
1710.38:176:33
1810.38:166:34
1910.38:146:35
2010.48:136:36
2110.48:116:37
2210.58:096:38
2310.58:086:40
2410.68:066:41
2510.68:046:42
2610.78:036:43
2710.78:016:44
2810.87:596:45
2910.87:576:46
3010.97:566:48
3110.97:546:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 2.77 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 8.09 kWh/m² in December across the year — August's 2.77 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.9Moderate
202.9Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.1Moderate
253.1Moderate
263.2Moderate
273.2Moderate
283.3Moderate
293.3Moderate
303.4Moderate
313.4Moderate
Planning a trip in August

Is August a good time to visit Trelew?

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

4.9
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

August is a reasonable time to visit Trelew for sightseeing.

What to pack for Trelew in August

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

In August, Trelew sees daytime highs around 14°C and nights near 4°C. Worth packing: a warm layer. About 3 days see rain.

a warm layer

Sea temperature near Trelew in August

The nearest coast averages about 9°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 38 km away) is warmest in February at about 17°C and coldest in August near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar17Cool
Apr15Cool
May13Bracing
Jun12Bracing
Jul10Bracing
Aug9Bracing
Sep9Bracing
Oct11Bracing
Nov13Bracing
Dec15Bracing

UV index in Trelew in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trelew peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 22UV 12Jun 19UV 1
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar7High
Apr4Moderate
May2Moderate
Jun1Low
Jul2Low
Aug2Moderate
Sep4Moderate
Oct7High
Nov9Very high
Dec12Extreme
Location & terrain

Where is Trelew?

Trelew sits at 43.2°S, 65.3°W, 14 m above sea level, in Argentina. The nearest listed city is Rawson, 17 km away.

San Antonio OesteViedmaCarmen de PatagonesComodoro RivadaviaCaleta OliviaPico Truncado

Topography around Trelew

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

Within 3 km, the terrain around Trelew has only modest variations in elevation — a maximum elevation change of 35 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, significant variations in elevation — a maximum elevation change of 336 m.

The land around Trelew is covered by artificial surfaces (51%), grassland (22%) and shrubs (20%) within 3 km, shrubs (67%) and grassland (20%) within 16 km, and shrubs (65%) and water (25%) within 80 km.

3 km
35 m
16 km
205 m
80 km
336 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Rawson 17 km · Puerto Madryn 58 km · San Antonio Oeste 281 km · Viedma 331 km · Carmen de Patagones 333 km · Comodoro Rivadavia 338 km · Caleta Olivia 396 km · Pico Truncado 446 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 Trelew (-43.249°, -65.305°, elevation 14 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).