Chubut, Argentina

Trelew

Trelew is a city in Chubut, Argentina. It has a population of about 106,796 (2022). The climate is classified as cold semi-arid (Köppen BSk), with little rain, large day–night swings and strong sunshine.

Now19°C

Best timeMar–Apr · Oct

Population106,796

Local time01:05

43.25° S, 65.31° WElevation 14 mUTC−3 · Argentina Standard Time

14-day weather Climate by month

The year in Trelewweather score

October: high / low21° / 9°

Rain this month20mm

Best timeMar–Apr · Oct

Best: Mar–Apr · Oct. Warmth, sunshine and dry days, month by month.

Trelew at a glance

Sunrise · sunset06:07 · 20:0413 h 56 min of daylight The moon tonightWaning gibbous79% · Moonrise 01:43 Next holiday3 NovemberTehuelches and Mapuches declare loyalty to the Argentine flag Next eclipse6 Feb 2027Annular solar eclipse

Best time to visitMar–Apr · Oct

The months with the highest weather score

Warmest month29°C

Average high in January

Coolest month3°C

Average low in July

Wettest monthJuly

18 mm of rain

Driest monthJanuary

13 mm of rain

Monuments nearby3+

within 6 km

How Trelew has grown

People living in the built-up area (22 km² today), every five years since 1975; 2030 is the projection.

+147%46k in 1975 → 114k in 2025

Weather in Trelew

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast

19°C

Clear · wind 36 km/h · humidity 52%

Today hour by hour

Today30 Oct25°13°

Sat31 Oct29°12°0.5 mm

Sun1 Nov25°15°

Mon2 Nov21°12°

Tue3 Nov22°11°0.7 mm

Wed4 Nov18°15°

Thu5 Nov16°11°1.2 mm

Fri6 Nov17°8°

Sat7 Nov31°9°

When to go to Trelew

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Score	74	82	95	92	79	56	55	71	86	96	90	82
High	29°	28°	25°	20°	15°	12°	12°	14°	17°	21°	25°	28°
Low	17°	15°	14°	10°	7°	4°	3°	4°	6°	9°	12°	15°
Rain (mm)	13	20	23	22	28	22	18	14	16	20	13	14
Wet days	3	3	2	3	3	4	5	3	4	2	4	3

Trelew in January Trelew in February Trelew in March Trelew in April Trelew in May Trelew in June Trelew in July Trelew in August Trelew in September Trelew in October Trelew in November Trelew in December

What's on in Trelew

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Public holidays

3Nov

Tehuelches and Mapuches declare loyalty to the Argentine flagRegional holiday

Tue9Nov

Visit of His Holiness Pope Leo XIVNational

Mon23Nov

National Sovereignty DayNational

Mon7Dec

Bridge Public HolidayNational

Mon

Monuments and museums in Trelew

All monuments

0.2 km

Trelew train station

6 km

Capel Seion

4.7 km

Almirante Zar Naval Air Base

Museum0.2 km

Museum of Paleontology Egidio FeruglioBuilt 1990

Museum0.2 km

Municipal Museum of Visual ArtsBuilt 1999

Monuments of Chubut Museums of Chubut

Outdoors around Trelew

Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.

Climbing1 Golf courses1

Club de Escalada Desplome SurClimbing

2.2 km

Las BardasGolf courses

8.9 km

Nature around Trelew

Nature in Argentina

River23 km

Chubut River

Nature in Chubut

Wildlife in October

The birds and mammals of Argentina seen most this month, compared with the rest of their year.

Plains viscachaLagostomus maximus

Shiny CowbirdMolothrus bonariensis

Creamy-bellied ThrushTurdus amaurochalinus

Neotropic CormorantPhalacrocorax brasilianus

Southern elephant sealMirounga leonina

Southern House WrenTroglodytes musculus

The sky over Trelew

Eclipses and meteor showers

The moon tonightWaning gibbousMoonrise 01:43 · Moonset 09:16 Next eclipse seen from here6 Feb 2027Annular solar eclipse · 85% sun covered Northern Taurids~2 an hourpeak night 12 November, best at 01:27 Northern lightsKp 9+only in the strongest storms here

Fossil sites near this town

Fossil sites: 1 · 1 km

Fossils in Argentina

Neogene · 1

Formations around the town

Sarmiento Formation · 1

Universities and research institutes

National University of Patagonia San Juan BoscoUniversity or college · founded 1980

Instituto Multidisciplinario para la Investigación y el Desarrollo Productivo y Social de la Cuenca del Golfo San JorgeResearch institute · founded 2023

Towns and villages around Trelew

Each with its own page: weather, climate and the best time to visit.

Rawson17 km Playa Unión22 km Puerto Rawson23 km Durazno Chico55 km

All 5 towns and villages in Departamento de Rawson Chubut

Trelew from above

Around Trelew12 places to see, do and reach nearby

Chubut RiverNature23 km Trelew train stationMonument0.2 km Capel SeionMonument6.0 km Almirante Zar Naval Air BaseMonument4.7 km Museum of Paleontology Egidio FeruglioMuseum0.2 km Municipal Museum of Visual ArtsMuseum0.2 km Pueblo de Luis Regional MuseumMuseum0.4 km Museo Pueblo De LuisMuseum0.5 km RawsonPlace17 km GaimanPlace16 km Puerto MadrynPlace58 km DolavonPlace33 km

Getting to Trelew

Almirante Marco Andres Zar AirportREL

5.1 km

El Tehuelche AirportPMY

57 km

Places near Trelew

17 km

Places with a climate like Trelew

Matched month by month on temperature, rain and sunshine.

97% alike

Frequently asked questions

When is the best time to visit Trelew?

Based on 30-year climate normals, March, April and October offer the best balance of comfortable temperatures, low rainfall and sunshine in Trelew.

What is the hottest month in Trelew?

January is the warmest month, with average highs of 29°C and lows of 17°C.

What is the coldest month in Trelew?

July is the coldest month, with average highs of 12°C and lows of 3°C.

What is the rainiest month in Trelew?

July is the wettest month with about 18 mm of precipitation on 5 wet days.

Trelew

Trelew at a glance

How Trelew has grown

Weather in Trelew

When to go to Trelew

What's on in Trelew

Public holidays

Monuments and museums in Trelew

Outdoors around Trelew

Nature around Trelew

Wildlife in October

The sky over Trelew

Fossil sites near this town

Formations around the town

Universities and research institutes

Towns and villages around Trelew

Trelew from above

Getting to Trelew

Places near Trelew

Rawson

Gaiman

Puerto Madryn

Dolavon

Places with a climate like Trelew

Sierra Grande

Carmen de Patagones

Viedma

San Javier

Guardia Mitre

Guatraché

Frequently asked questions