Best time to visit Perito Moreno Glacier
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
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Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Perito Moreno Glacier
21 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Perito Moreno Glacier).
- 1
Perito Moreno Full Day Minitrekking with Transfer and Walkways - 2
"Glaciares Gourmet" - Maria Turquesa Cruiser Navigation (classic) - 3
Full Day Guided Tour Perito Moreno National Park and Glacier - 4
Los Glaciares National Park: Blue Safari - 5
Blue Safari: ride near Perito Moreno - 6
Private 7-Day Classic Argentina Family Tour - 7
5-Day Adventure at El Calafate: Big Ice Trek & Cristina Discovery - 8
2 Imperdible Tours Torres del Paine and Perito Moreno - 9
Glacier navigation Mayo Spirit Trek 3 landings and walk through the Forest - 10
Perito Moreno Glacier Tour from Puerto Natales Imperdible - 11
3-Day El Calafate Escape with Optional Airfare from Buenos Aires - 12
16-Day Contrasts of Argentina Trip: from South to North - 13
10-Day Trip from Buenos Aires to Iguazu & El Calafate - 14
CALAFATE: Panoramic tour: The best balconies of Calafate - 15
Perito Moreno Glacier Up-Close Boat Tour & Scenic Viewpoints - 16
Calafate Southern Navigation Perito Moreno and Valley Trekking - 17
Perito Moreno Glacier Experience on the catwalks - 18
3 days and 2 Nights Best of Calafate from Buenos Aires - 19
19-Day South America Highlights Travel: Argentina, Brazil & Peru - 20
Full day experience Navigation in Perito Moreno Glacier - 21
Kayak experience in Los Glaciares National Park
Last refreshed 2026-08-13.
Similar climatesUshuaia80% · Milford Sound77% · Punta Arenas69%
Other destinations with the most-alike year-round climate to Perito Moreno Glacier (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Perito Moreno Glacier's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 7–14 | 12 | 21 | 344 | 16.4 | 65% | 10 | 211 | 7 | Moderate | 3 |
| Feb | 8–15 | 13 | 19 | 303 | 15.9 | 68% | 9 | 168 | 6 | Moderate | 3 |
| Mar | 6–11 | 10 | 23 | 393 | 17.1 | 75% | 9 | 138 | 3 | Moderate | 2 |
| Apr | 4–9 | 7 | 20 | 310 | 15.5 | 80% | 8 | 113 | 2 | Quiet | 2 |
| May | 2–6 | 4 | 18 | 286 | 15.9 | 86% | 6 | 85 | 1 | Quiet | 2 |
| Jun | 0–3 | 1 | 19 | 313 | 16.5 | 88% | 6 | 65 | 1 | Quiet | 1 |
| Jul | -1–2 | -1 | 20 | 338 | 16.9 | 85% | 7 | 62 | 1 | Quiet | 1 |
| Aug | 0–4 | 1 | 21 | 345 | 16.4 | 79% | 7 | 98 | 1 | Quiet | 1 |
| Sep | 0–5 | 2 | 20 | 301 | 15.1 | 73% | 8 | 141 | 3 | Quiet | 2 |
| Oct | 2–7 | 5 | 21 | 341 | 16.2 | 67% | 9 | 158 | 4 | Moderate | 2 |
| Nov | 3–10 | 7 | 18 | 281 | 15.6 | 63% | 9 | 202 | 7 | Peak | 3 |
| Dec | 6–13 | 11 | 19 | 294 | 15.5 | 62% | 10 | 215 | 8 | Peak | 3 |
UV Index in Perito Moreno Glacier by Month
UV index in Perito Moreno Glacier peaks at 8 (high) in December, dropping to 1 (low) in June. January, November, December have high UV — SPF 30+ and sunglasses recommended.
Best months in detail
February
3/108–15°C (feels 13°C) · 19 rain days (303h) · 168 sun hours · 68% humidity · Moderate crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 8 (very high)
December
3/106–13°C (feels 11°C) · 19 rain days (294h) · 215 sun hours · 62% humidity · Peak crowd · UV 8 (high) · sunniest 1 in 10 days reach 12 (extreme)
January
3/107–14°C (feels 12°C) · 21 rain days (344h) · 211 sun hours · 65% humidity · Moderate crowd · UV 7 (high) · sunniest 1 in 10 days reach 11 (very high)
Every month
Show the other 9 months in detail
March
2/106–11°C (feels 10°C) · 23 rain days (393h) · 138 sun hours · 75% humidity · Moderate crowd · UV 3 (moderate) · sunniest 1 in 10 days reach 5 (moderate)
April
2/104–9°C (feels 7°C) · 20 rain days (310h) · 113 sun hours · 80% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 4 (moderate)
May
2/102–6°C (feels 4°C) · 18 rain days (286h) · 85 sun hours · 86% humidity · Quiet crowd · UV 1 (low)
June
1/100–3°C (feels 1°C) · 19 rain days (313h) · 65 sun hours · 88% humidity · Quiet crowd · UV 1 (low)
July
1/10-1–2°C (feels -1°C) · 20 rain days (338h) · 62 sun hours · 85% humidity · Quiet crowd · UV 1 (low)
August
1/100–4°C (feels 1°C) · 21 rain days (345h) · 98 sun hours · 79% humidity · Quiet crowd · UV 1 (low)
September
2/100–5°C (feels 2°C) · 20 rain days (301h) · 141 sun hours · 73% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
October
2/102–7°C (feels 5°C) · 21 rain days (341h) · 158 sun hours · 67% humidity · Moderate crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 7 (high)
November
3/103–10°C (feels 7°C) · 18 rain days (281h) · 202 sun hours · 63% humidity · Peak crowd · UV 7 (high) · sunniest 1 in 10 days reach 11 (very high)
Frequently asked questions about visiting Perito Moreno Glacier
When is the best time to visit Perito Moreno Glacier?
February is the highest-scoring month (3/10 on the Holiday Climate Index). Typical conditions: 8–15°C (19 rainy days). The top three months by score are February, December, January.
What is the worst time to visit Perito Moreno Glacier?
August is the lowest-scoring month (1/10). Typical conditions: 0–4°C (21 rainy days).
When are crowds lowest in Perito Moreno Glacier?
Search-interest seasonality (Google Trends 2021-2025) is lowest in June and peaks in November. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
What is the UV index in Perito Moreno Glacier by month?
UV peaks at 8 (high) in December and is lowest in June at 1 (low). Monthly peak values: Jan 7, Feb 6, Mar 3, Apr 2, May 1, Jun 1, Jul 1, Aug 1, Sep 3, Oct 4, Nov 7, Dec 8.
What is the UV index in Perito Moreno Glacier in December?
December is the peak UV month in Perito Moreno Glacier, with a daily-peak UV index of 8 (high). Apply SPF 30+, wear sunglasses, and seek shade during midday hours.
How high can UV get in Perito Moreno Glacier on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. December is the worst case: typical days average UV 8 (high), but the top 10% of days reach UV 12 (extreme) — and even higher. Months where the sunniest days routinely exceed the typical reading: January, February, March, April, September, October, November, December. Plan sun protection for the worst case, not the average.