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Weather Guide: Punta Arenas

Punta Arenas, located on the Strait of Magellan, offers a true subpolar oceanic climate experience, characterized by consistently cool temperatures, strong winds, and unpredictable weather throughout the year. Be prepared for four seasons in a single day, where sunshine can quickly turn to rain or sleet.

Updated for 2025–2026 Season
8 min read
Climate: Subpolar OceanicElevation: 30m
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Overview

Punta Arenas experiences a cool, subpolar oceanic climate, heavily influenced by its proximity to the ocean and Antarctica. Summers are mild and windy, while winters are cold, windy, and often snowy. Precipitation is distributed throughout the year, with no distinct dry season. The most notable weather feature is the persistent and often powerful wind, which can significantly impact outdoor activities.

Monthly Weather

January

Peak
14°
7°
10 rainy days|0 snow days|7 hrs sun|55 km/h

January is peak summer in Punta Arenas, offering the warmest temperatures and longest daylight hours. However, strong winds are still a defining feature, making the 'feels like' temperature cooler. Expect a mix of sunny periods, clouds, and occasional light rain.

February

Peak
13°
6°
9 rainy days|0 snow days|6 hrs sun|52 km/h

February continues the summer trend with mild temperatures and lengthy daylight, though winds remain strong. It's an excellent month for exploring, as the weather is generally at its most forgiving compared to other times of the year, despite occasional showers.

March

High
11°
5°
10 rainy days|0 snow days|5 hrs sun|48 km/h

As autumn begins, temperatures start to cool, and daylight hours shorten. Winds remain prevalent but may slightly lessen compared to summer. The vibrant autumn colors can be a beautiful sight, though be ready for cooler, crisper weather and increased chances of rain.

April

Moderate
8°
3°
11 rainy days|1 snow days|4 hrs sun|45 km/h

April brings a noticeable chill as winter approaches. Expect colder days with increasing chances of sleet or light snow, especially towards the end of the month. Winds are still a factor, making proper layering crucial for comfort during outdoor activities.

May

Low
5°
1°
12 rainy days|3 snow days|3 hrs sun|42 km/h

May is distinctly cold and marks the onset of true Patagonian winter conditions. Snowfall becomes more frequent, and temperatures hover just above freezing during the day, dropping below at night. Strong winds make the cold feel more intense.

June

Low
3°
-1°
13 rainy days|6 snow days|2 hrs sun|40 km/h

June is one of the coldest months, with short daylight hours and frequent snow. Freezing temperatures are common, and the landscape is often covered in snow and ice. While challenging, the stark winter beauty can be captivating for those prepared for the conditions.

July

Low
3°
-2°
13 rainy days|8 snow days|2 hrs sun|38 km/h

July is typically the coldest month in Punta Arenas, with prolonged periods of sub-zero temperatures and the highest chance of snow. Daylight hours are at their shortest. Visibility can be low due to snow and strong winds, making travel challenging.

August

Low
4°
-1°
12 rainy days|7 snow days|3 hrs sun|40 km/h

August sees a gradual, albeit slow, transition towards spring. Temperatures remain cold with significant snowfall. Daylight hours begin to increase slightly, offering a hint of the approaching warmer seasons, but winter conditions persist.

September

Moderate
7°
1°
11 rainy days|3 snow days|4 hrs sun|45 km/h

September marks the arrival of spring, with temperatures slowly rising and snow becoming less frequent. However, it's a transitional month; expect highly variable weather including strong winds, rain, and even occasional late-season snow flurries. Longer daylight hours are a welcome change.

October

Moderate
10°
3°
10 rainy days|1 snow days|5 hrs sun|50 km/h

October brings milder temperatures and significantly longer days, making it a good time to visit before the peak summer crowds. While winds are intensifying again, the landscape begins to green, and outdoor activities become more appealing. Be prepared for occasional rain.

November

High
12°
5°
9 rainy days|0 snow days|6 hrs sun|55 km/h

November is late spring/early summer, offering comfortable temperatures and extended daylight, perfect for exploring. Winds are typically very strong this month, often reaching their peak for the year. Precipitation is moderate but usually comes as rain.

December

Peak
13°
6°
10 rainy days|0 snow days|7 hrs sun|58 km/h

December marks the beginning of summer and the peak tourist season, characterized by the longest daylight hours and relatively mild temperatures. However, strong winds are a constant companion, and sudden weather changes, including brief showers, are common. It's an ideal month for navigating the region if properly prepared.

Best Time to Visit

The best time to visit Punta Arenas is during the Southern Hemisphere's summer and shoulder seasons, from November to March. During these months, temperatures are mildest, daylight hours are longest, and while winds are strong, conditions are generally most favorable for exploration and excursions.

Worst Time to Visit

The months of June, July, and August (winter) are generally the worst time to visit Punta Arenas for most tourists. Temperatures are lowest, snowfall is highest, daylight is minimal, and strong winds combined with cold can make outdoor activities challenging and less enjoyable. Many tours and attractions may operate on reduced schedules or close entirely.

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Weather Warnings

Extreme Winds: Punta Arenas is famous for its strong, persistent winds, which can easily exceed 80-100 km/h in gusts. These winds can make walking difficult, cause flight delays, and intensify the cold significantly (wind chill factor).

Rapid Weather Changes: The weather can change very quickly, from clear skies to rain, sleet, or snow within hours, regardless of the season. Always be prepared for multiple weather conditions.

UV Radiation: During summer (especially December-February), due to the ozone hole over Antarctica, UV radiation can be very high even on cloudy days. Sunscreen, sunglasses, and hats are crucial.

Snow and Ice: In winter months (May-September), heavy snowfall and icy conditions can affect roads, sidewalks, and outdoor activities. Be prepared for cold and slippery surfaces.

Cold Temperatures: Even in summer, temperatures can be cool, and in winter, they regularly drop below freezing. Hypothermia is a risk if not properly dressed in layers.

Layering Guide

Dressing in layers is paramount for Punta Arenas's unpredictable climate. Start with a moisture-wicking synthetic or merino wool base layer to keep dry. Add a warm insulating mid-layer such as a fleece or light down jacket for warmth. The outermost layer should be a highly windproof and waterproof jacket and trousers to protect against Patagonia's notorious winds and sudden precipitation. Always include a warm hat, gloves or mittens, and sturdy waterproof footwear with good grip. Sunglasses and sun protection are necessary year-round.

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