Weather in Trelew

Find out the precise weather forecast for Trelew to ensure your trip is as comfortable as possible. Below are current meteorological data and charts to help you be prepared for any conditions.

The climate of Trelew can be described as semi-arid, which is typical for the Patagonia region in Argentina. The weather here is distinguished by distinct seasonality, although extreme temperatures are rare. One of the main features of the local climate is low humidity and a very small amount of precipitation, making the region predominantly dry throughout the year.

Summer, which lasts from December to February in the Southern Hemisphere, is warm and sunny here: during the day, the air often warms up to 27–29°C, creating ideal conditions for travel. Winter (from June to August) is cool, with average daytime temperatures around 11°C and nighttime drops to 3–4°C. Spring and autumn serve as mild transitional periods with comfortable temperatures.

For tourists, it is important to know that rain in Trelew is an infrequent and meager phenomenon. Precipitation levels remain consistently low year-round, practically never exceeding 1 mm per month. Thanks to this, the sky over the city often remains clear, allowing you to confidently plan excursions and trips to natural attractions without fearing that plans will be disrupted by prolonged downpours.

The temperature regime in Trelew demonstrates distinct seasonality, characteristic of this part of Patagonia. The warmest and most comfortable time of year is summer, which lasts here from December to February. January is the hottest month: the average daytime temperature reaches 29°C, although the average daily figure stays at 22.8°C. This time is ideal for those who love warmth, but it is worth being prepared for the fact that even in the height of summer, nights bring noticeable freshness when the air cools down to 16–17°C.

Winter, falling on June, July, and August, is characterized by cool and sometimes cold weather. The coldest month is considered to be July with an average temperature of just 7.2°C. During this period, daytime maximums rarely exceed 11–12°C, and nighttime minimums drop to 2.7–3.3°C. Although severe frosts happen infrequently, low nighttime temperatures require warm clothing, especially if you plan evening walks.

A feature of Trelew's climate is the significant amplitude between daytime and nighttime temperatures, which persists throughout the year. The difference can be more than 10–12 degrees: for example, in April, with daytime highs of 21°C, it cools down to 10°C by night. Spring and autumn serve as mild transitional seasons: in October and November, the air gradually warms from 15°C to 19°C, offering travellers pleasant conditions without extreme heat or winter cold.

The climate in the city of Trelew can be characterized as arid, which is typical for the Patagonian steppe. Precipitation here falls extremely sparingly and is evenly distributed throughout the year. Analyzing the statistics, one can notice that the level of precipitation remains practically unchanged from month to month, amounting to minimal values of about 0–1 mm.

There is no pronounced rainy or dry season in this region. The number of days with precipitation remains stable: usually, it is just 3–4 days a month, regardless of whether you arrive in the height of summer (January) or winter (July). This makes Trelew an excellent destination for tourism, as the likelihood of prolonged downpours ruining your sightseeing plans is extremely low.

The nature of the precipitation is most often light rain or brief drizzle rather than heavy downpours. In winter, when the air temperature drops to 2–3°C, wet snow is theoretically possible, but due to the general dryness of the climate, a stable snow cover does not form. When travelling through this part of Argentina, it is worth worrying more about protection from the wind than from the rain.

A trip to Trelew requires a smart approach to packing, where the main principle should be layering. Since the city is located in the Patagonian steppe, the weather here can be changeable, and winds are strong and gusty all year round. For a summer trip (from December to February), when daytime temperatures can reach 29°C, choose light clothing made of breathable fabrics, but be sure to bring a windbreaker or a thick hoodie for cool evenings. Do not forget about reliable sun protection: high SPF cream, quality sunglasses, and a hat that fits tightly on the head are simply essential under the bright Argentine sun.

If you plan a visit during the winter months (from June to August), when nighttime temperatures drop to 2-3°C, you will need truly warm gear. Be sure to put thermal underwear, fleece jumpers, and a good windproof jacket, preferably with a hood, in your luggage. Considering that precipitation in Trelew falls extremely rarely and in minimal quantities, a heavy raincoat or umbrella is unlikely to be useful, but a scarf and gloves will become faithful companions for protection against the cold air.

Regardless of the season, pay special attention to footwear: it should be maximally comfortable, closed, and flat-soled — broken-in trekking boots or sturdy sneakers are perfect for long walks around natural attractions. Also, taking into account the very dry climate of the region, it is worth bringing moisturizing cream for face and hands, as well as lip balm, to protect the skin from chapping.