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Trelew weather & best time to visit

City break

Trelew at a glance

Best time
Feb – Apr, Sep – Dec
Warmest month
Jan · 30°
Sunshine a year
2,720 h
Rain a year
227 mm
Climate
Dry subtropical
Time zone
UTC−3
Elevation
14 m

Climate in Trelew

Trelew has a dry subtropical climate: mild to warm all year, with very little rain. January is the warmest month with average highs of 30 °C, while July is the coolest at 13 °C. With around 2,720 hours of sunshine a year, Trelew is sunny; January is the sunniest month with 10.4 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Trelew

The best time to visit Trelew is from February to April and from September to December. For sightseeing, day trips and hiking, conditions are most comfortable from March to May and from August to December. The wettest month is June with 25 mm of precipitation.

Trelew through the seasons

How the weather changes over the seasons, with averages for each.

Trelew in spring

Sep – Nov

96

Excellent

  • 18–25 °C by day
  • 8.0 h of sun a day
  • 11 rainy days in all

Trelew in summer

Dec – Feb

89

Excellent

  • 28–30 °C by day
  • 9.9 h of sun a day
  • 9 rainy days in all

Trelew in autumn

Mar – May

90

Excellent

  • 17–26 °C by day
  • 6.8 h of sun a day
  • 11 rainy days in all

Trelew in winter

Jun – Aug

65

Good

  • 13–15 °C by day
  • 5.2 h of sun a day
  • 12 rainy days in all

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Mar – May, Aug – Dec

15–28 °C and not too much rain

Find your perfect month

Tell us what you like and we rate every month in Trelew for you.

Sunshine
Little rain

Your best months: April, October – November

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

97

Holiday weather in October

Excellent

Best time to visit: February – April, September – December

Good forSightseeing & walks

A typical day in October

  1. Morning, 08:00: about 11°
  2. Midday, 13:00: about 21°
  3. Afternoon, 16:00: about 21°
  4. Evening, 20:00: about 16°
  5. Night, 23:00: about 12°

06:3119:43

Cool evenings: pack a jumper or a jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 06:13–07:09 · evening 19:05–20:01
Blue hour
Morning 06:02–06:13 · evening 20:01–20:12

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Trelew compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs rise from about 20° at the start of the month to 23° at the end. The days get 1.4 h longer.

Early or late October?
October1 Oct31 Oct
Daytime high20°23°
Night-time low6°9°
Daylight12.5 h13.9 h

What is the weather like in Trelew in October?

In October, Trelew is warm: daytime highs average 22 °C, and nights cool down to about 7 °C. The sun shines for around 8.0 hours a day. Rain is rare: about 4 days bring 14 mm in total. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, October is an excellent month for a holiday in Trelew.

More details for October

Daylight
13 h 12 min06:31 – 19:43
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
30 km/haverage daily peakAll months
Cloud cover
43 %on averageAll months
Hot days
1 day30 °C or moreAll months
Time zone
UTC−3offset from UTC

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %83 %
  • Few rainy daysweight 30 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Windproof jacket

Compare two months in Trelew

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

October and November bring similar holiday weather to Trelew (score 97 and 100). In November, days are 3 °C warmer than in October. November has one rainy day fewer. The sun shines an hour longer a day in November.

October vs November, Trelew
MonthOctoberNovember
Holiday weather score97100
Daytime high22°25°
Night-time low7°10°
Sunshine8.0 h9.4 hbetter
Rainy days43better
Rainfall14 mm18 mm

Based on the climate averages 1996–2025.

Trelew month by month

The typical weather for every month at a glance.

83January30° · 10.4 h

In January, Trelew is hot: daytime highs average 30 °C, and nights cool down to about 14 °C. With around 10.4 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 15 mm in total. On about 14 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 32 km/h. All in all, January is an excellent month for a holiday in Trelew.

Trelew in January
91February28° · 9.8 h

In February, Trelew is hot: daytime highs average 28 °C, and nights cool down to about 13 °C. With around 9.8 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 23 mm in total. On about 11 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 32 km/h. All in all, February is an excellent month for a holiday in Trelew.

Trelew in February
97March26° · 8.1 h

In March, Trelew is warm: daytime highs average 26 °C, and nights cool down to about 11 °C. The sun shines for around 8.1 hours a day. Rain is rare: about 3 days bring 21 mm in total. On about 6 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, March is an excellent month for a holiday in Trelew.

Trelew in March
93April21° · 7.0 h

In April, Trelew is warm: daytime highs average 21 °C, and nights cool down to about 7 °C. The sun shines for around 7.0 hours a day. Rain is rare: about 4 days bring 21 mm in total. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, April is an excellent month for a holiday in Trelew.

Trelew in April
79May17° · 5.2 h

In May, Trelew is mild: daytime highs average 17 °C, and nights cool down to about 4 °C. Expect around 5.2 hours of sunshine a day. Rain is rare: about 4 days bring 22 mm in total. All in all, May is a good month for a holiday in Trelew.

Trelew in May
59June13° · 4.6 h

In June, Trelew is cool: daytime highs average 13 °C, and nights cool down to about 1 °C. Expect around 4.6 hours of sunshine a day. Rain is rare: about 5 days bring 25 mm in total. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, June is a so-so month for a holiday in Trelew.

Trelew in June
61July13° · 5.2 h

In July, Trelew is cool: daytime highs average 13 °C, and nights cool down to about 1 °C. Expect around 5.2 hours of sunshine a day. Rain is rare: about 4 days bring 17 mm in total. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, July is a good month for a holiday in Trelew.

Trelew in July
76August15° · 5.8 h

In August, Trelew is cool: daytime highs average 15 °C, and nights cool down to about 2 °C. Expect around 5.8 hours of sunshine a day. Rain is rare: about 4 days bring 16 mm in total. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, August is a good month for a holiday in Trelew.

Trelew in August
92September18° · 6.6 h

In September, Trelew is mild: daytime highs average 18 °C, and nights cool down to about 4 °C. The sun shines for around 6.6 hours a day. Rain is rare: about 4 days bring 20 mm in total. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, September is an excellent month for a holiday in Trelew.

Trelew in September
97October22° · 8.0 h

In October, Trelew is warm: daytime highs average 22 °C, and nights cool down to about 7 °C. The sun shines for around 8.0 hours a day. Rain is rare: about 4 days bring 14 mm in total. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, October is an excellent month for a holiday in Trelew.

Trelew in October
100November25° · 9.4 h

In November, Trelew is warm: daytime highs average 25 °C, and nights cool down to about 10 °C. With around 9.4 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 18 mm in total. It is often windy: on a typical day the wind peaks at around 31 km/h. All in all, November is an excellent month for a holiday in Trelew.

Trelew in November
94December28° · 9.5 h

In December, Trelew is hot: daytime highs average 28 °C, and nights cool down to about 12 °C. With around 9.5 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 16 mm in total. On about 10 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 32 km/h. All in all, December is an excellent month for a holiday in Trelew.

Trelew in December

Climate in detail

Year & climate table

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Trelew

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Cold 0–8°
  • Cool 8–15°

ColdOctober: nights around 7°. The room should be heated.

The coolest nights are in July (1°), the warmest in January (14°). Nights fall below 8 °C on average from April to October, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 22°Night 7°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan8330°14°10.4 h315
FebruaryFeb9128°13°9.8 h323
MarchMar9726°11°8.1 h321
AprilApr9321°7°7.0 h421
MayMay7917°4°5.2 h422
JuneJun5913°1°4.6 h525
JulyJul6113°1°5.2 h417
AugustAug7615°2°5.8 h416
SeptemberSep9218°4°6.6 h420
OctoberOct9722°7°8.0 h414
NovemberNov10025°10°9.4 h318
DecemberDec9428°12°9.5 h316

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

43.25° S, 65.31° W · 14 m · America/Argentina/Catamarca

Sunshine
Sunshine

Sunshine hours in Trelew

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,720 hours
Sunniest month
Jan · 10.4 h a day
Least sunshine
Jun · 4.6 h a day
OctoberSunshine 8.0 hDaylight 13.2 hShare of daylight 61 %
SunshineDaylight

In October, the sun shines for about 8.0 of 13.2 hours of daylight in Trelew, 61 % of the daylight hours.

Sunshine hours: measured at the weather station 5 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Rain
Rain

Rain in Trelew: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
227 mm on 43 days
Wettest month
Jun · 25 mm
Driest month
Oct · 14 mm
OctoberRainy days 4Rainfall 14 mm

In October, Trelew has about 4 rainy days with 14 mm of rain in total.

UV index
Sun protection

UV index in Trelew

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
7 · highSeek shade around midday; sunscreen SPF 30+, hat and sunglasses.

The sun is strongest in December (UV 9).

Minutes until sunburn in October

Very fair skin
about 20 min
Fair skin
about 25 min
Light brown skin
about 35 min
Olive skin
about 45 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds
Wind & clouds

Wind and clouds in Trelew

How breezy and how cloudy Trelew is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
30 km/h · fresh breeze
Windiest month
Jan · 32 km/h
Calmest month
May · 28 km/h
OctoberWind 30 km/hBeaufort 5

In October, the wind in Trelew typically peaks at 30 km/h during the day: Beaufort 5, fresh breeze.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
41 % · mostly sunny
Clearest month
Jan · 31 %
Cloudiest month
May · 49 %
OctoberCloud cover 43 %Sunshine 8.0 h

In October, cloud covers on average 43 % of the sky over Trelew: mostly sunny, with about 8.0 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity
Heat & humidity

Heat and humidity in Trelew

How often the day gets hot in Trelew (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
48 days
Hottest month
Jan · 30 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 1Daytime high 22 °C

In October, Trelew has about 1 hot day, with an average daytime high of 22 °C: pleasant. Heat plays no part this month.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Trelew

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Trelew in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Trelew has its best school-holiday weather during October half-term (score 97) and its weakest during the summer holidays (score 71).

  • Easter holidays

    Mar – Apr

    94

    Excellent

    • 23 °C by day
    • 7.3 h of sun a day
    • 3 rainy days a month

    Good for: Sightseeing & walks

  • May half-term

    May – Jun

    75

    Good

    • 16 °C by day
    • 5.1 h of sun a day
    • 4 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    71

    Good

    • 14 °C by day
    • 5.6 h of sun a day
    • 4 rainy days a month
  • October half-term

    Oct

    97

    ExcellentBest holidays

    • 22 °C by day
    • 8.0 h of sun a day
    • 4 rainy days a month

    Good for: Sightseeing & walks

  • Christmas holidays

    Dec – Jan

    89

    Excellent

    • 29 °C by day
    • 10.0 h of sun a day
    • 3 rainy days a month

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 15 h 15 min
Distance
12,240 km
Time zone
UTC−3
Jet lag
About 3 days (4 h west)

Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.

Most routes need a change of planes, which adds time.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Good to know: Argentina

Currency
Argentine Peso (ARS)
Language
Spanish
Sockets
Type C, I · 220 V
Dialling code
+54
Emergency number
911

UK plugs need a travel adapter

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Compare & alternatives

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Trelew compared

Put Trelew side by side with another destination.

Nearby:
Compare with home:

Trelew vs Rawson

In October the holiday weather in Trelew and Rawson is about equally good (score 97 vs 97). During the day it is about as warm in Rawson as in Trelew.

Trelew vs Rawson, in October
in OctoberTrelewRawson
Holiday weather score9797
Daytime high22°22°
Seano sea nearby11°
Sunshine8 h8 h
Rainy days44
Best timeFeb – Apr, Sep – DecNov – Mar

Through the year

OctoberTrelew 22°Rawson 22°
TrelewRawson
Go to Rawson
Best places in the country
Ranking

Argentina in October: the best places

In October, Trelew ranks 1 among the 31 nearest destinations in this country.

  1. TrelewThis page22°97
  2. 2Neuquén23°97
  3. 3Comodoro Rivadavia19°9°96
  4. 4San Juan28°95
  5. 5Puerto San Julián17°7°92
  6. 6Mendoza24°89
  7. 7Bahía Blanca23°88
  8. 8Córdoba27°87
All destinations: Argentina
Places nearby

Near Trelew

Other destinations close by.

Places with a similar climate

Places with a climate like Trelew

Destinations whose weather through the year is closest to Trelew's – good alternatives.

  1. 82 % similar97NeuquénArgentina23°Best time: Mar – Apr, Sep – Nov
  2. 82 % similar92SheppartonAustralia22°Best time: Feb – May, Sep – Dec
  3. 82 % similar88Maryborough, VictoriaAustralia21°Best time: Feb – Apr, Oct – Dec
  4. 81 % similar91BendigoAustralia21°Best time: Feb – Apr, Oct – Dec

Frequently asked questions about Trelew

When is the best time to visit Trelew?

The best time to visit Trelew is from February to April and from September to December. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Trelew?

January is the warmest month, with average highs of 30 °C and nights around 14 °C. July is the coolest month at 13 °C.

When does it rain most in Trelew?

The wettest month is June with 25 mm of precipitation. The driest month is October with 14 mm.

How many hours of sunshine does Trelew get?

Trelew gets around 2,720 hours of sunshine a year. The sunniest month is January with 10.4 hours a day; in June there are 4.6 hours a day.

What time zone is Trelew in?

Trelew is on UTC−3 all year.

How long is the flight from London to Trelew?

A nonstop flight from London to Trelew takes about 15 h 15 min, for a straight-line distance of about 12,240 km. Most routes need a change of planes, which adds time.

Which school holidays are best for Trelew?

Trelew has its best school-holiday weather during October half-term (score 97) and its weakest during the summer holidays (score 71). Holiday ratings (0–100): Easter holidays 94, May half-term 75, summer holidays 71, October half-term 97, Christmas holidays 89.