January: the best month of the year in Puerto Williams
Best window · 8.5/10Expect 8°C (47°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 63 mm of rain this month — a flexible day or two helps — with about 26 days with 6+ hours of sunshine and 16.5 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Puerto Williams at 8.5/10 — the reference point every other month on this page is measured against.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
February in Puerto Williams: strong conditions, 4th of 12
Good · 7.5/10Expect 8°C (47°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 60 mm of rain this month — a flexible day or two helps — with about 14 days with 6+ hours of sunshine and 14.7 hours of daylight to work around it.
That is 7.5/10 on the same scale — 4th of 12 months, versus 8.5/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
March in Puerto Williams — workable with trade-offs
Trade-offs · 5.6/10March averages 6°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 78 mm, so plan one flexible day in three; you still get about 6 days with 6+ hours of sunshine and 12.5 hours of daylight.
It scores 5.6/10 here, 6th of 12 months, against 8.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
Flexible dates? January scores 2.9 points higher here — enough to change the trip.
April in Puerto Williams: expect compromises
Hardest · 4.2/10At 4°C (39°F) this is proper winter weather in April: layer up and split the day between outdoor highlights and indoor stops.
Budget for roughly 65 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 10.2 hours of daylight to work around it.
That is 4.2/10 on the same scale — 8th of 12 months, versus 8.5/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
If your dates are flexible, January is materially better in Puerto Williams — 4.3 points higher on the same scale.
May in Puerto Williams — the hardest end of the year
Hardest · 3.7/10May averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 53 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 8.1 hours of daylight.
It scores 3.7/10 here, 9th of 12 months, against 8.5/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
Flexible dates? January scores 4.8 points higher here — enough to change the trip.
June in Puerto Williams — the hardest end of the year
Hardest · 3.3/10At 0°C (32°F) this is proper winter weather in June: layer up and split the day between outdoor highlights and indoor stops.
Only 37 mm of water-equivalent precipitation is expected (snow at altitude), leaving almost no days with 6+ hours of sunshine and 7 hours of daylight.
That is 3.3/10 on the same scale — 11th of 12 months, versus 8.5/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.
If your dates are flexible, January is materially better in Puerto Williams — 5.2 points higher on the same scale.
July in Puerto Williams — off-season conditions
Hardest · 3.3/10At 0°C (32°F) this is proper winter weather in July: layer up and split the day between outdoor highlights and indoor stops.
Only 42 mm of water-equivalent precipitation is expected (snow at altitude), leaving almost no days with 6+ hours of sunshine and 7.4 hours of daylight.
That is 3.3/10 on the same scale — 12th of 12 months, versus 8.5/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.
If your dates are flexible, January is materially better in Puerto Williams — 5.2 points higher on the same scale.
August in Puerto Williams — the hardest end of the year
Hardest · 3.7/10August averages 1°C (33°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 47 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 9.3 hours of daylight.
It scores 3.7/10 here, 10th of 12 months, against 8.5/10 in the destination's best month.
Plan for low-season pricing, with crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
Flexible dates? January scores 4.8 points higher here — enough to change the trip.
September in Puerto Williams — workable with trade-offs
Trade-offs · 5.3/10September averages 2°C (35°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Expect 32 mm of rain — occasional showers rather than washed-out days — alongside about 4 days with 6+ hours of sunshine and 11.6 daylight hours.
It scores 5.3/10 here, 7th of 12 months, against 8.5/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.
Flexible dates? January scores 3.2 points higher here — enough to change the trip.
October in Puerto Williams: strong conditions, 5th of 12
Good · 7.3/10Expect 5°C (40°F) in October. A good month for city streets, viewpoints and long meals; leave swimming for another season.
With around 40 mm of rain, any showers tend to pass through rather than settle in; about 15 days with 6+ hours of sunshine and 13.9 hours of daylight fill the rest.
That is 7.3/10 on the same scale — 5th of 12 months, versus 8.5/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.
November holds up well in Puerto Williams — 2nd best month
Good · 8.3/10Expect 6°C (44°F) in November. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 51 mm of rain this month — a flexible day or two helps — with about 24 days with 6+ hours of sunshine and 16 hours of daylight to work around it.
That is 8.3/10 on the same scale — 2nd of 12 months, versus 8.5/10 for the best month here.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
December holds up well in Puerto Williams — 3rd best month
Good · 8.3/10December averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 63 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 17.1 hours of daylight.
It scores 8.3/10 here, 3rd of 12 months, against 8.5/10 in the destination's best month.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
