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
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

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.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
763211113478
On the sunniest 1 in 10 days, UV reaches this — and even higher
11854471112
PM2.5 air quality · on a typical day (?)
221110111122
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
442221132344
February 3/10 feels 13°C (+4°C vs 1991-2020) · HCI 35/100
Day 15° · Night 8° 68% humidity 9 km/h wind 19 rain days (303h) 168h sun
Thermal 5
Sky 1
Rain 1
Wind 9

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.

Compare with another destination

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.

Similar climatesUshuaia80% · Milford Sound77% · Punta Arenas68%

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 Quiet 3
Feb 8–15 13 19 303 15.9 68% 9 168 6 Peak 3
Mar 6–11 10 23 393 17.1 75% 9 138 3 Quiet 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 Quiet 2
Nov 3–10 7 18 281 15.6 63% 9 202 7 Quiet 3
Dec 6–13 11 19 294 15.5 62% 10 215 8 Moderate 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

3/10

8–15°C (feels 13°C) · 19 rain days (303h) · 168 sun hours · 68% humidity · Peak crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 8 (very high)

December

3/10

6–13°C (feels 11°C) · 19 rain days (294h) · 215 sun hours · 62% humidity · Moderate crowd · UV 8 (high) · sunniest 1 in 10 days reach 12 (extreme)

January

3/10

7–14°C (feels 12°C) · 21 rain days (344h) · 211 sun hours · 65% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 11 (very high)

Every month

Show the other 9 months in detail

March

2/10

6–11°C (feels 10°C) · 23 rain days (393h) · 138 sun hours · 75% humidity · Quiet crowd · UV 3 (moderate) · sunniest 1 in 10 days reach 5 (moderate)

April

2/10

4–9°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

2/10

2–6°C (feels 4°C) · 18 rain days (286h) · 85 sun hours · 86% humidity · Quiet crowd · UV 1 (low)

June

1/10

0–3°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

1/10

0–4°C (feels 1°C) · 21 rain days (345h) · 98 sun hours · 79% humidity · Quiet crowd · UV 1 (low)

September

2/10

0–5°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

2/10

2–7°C (feels 5°C) · 21 rain days (341h) · 158 sun hours · 67% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 7 (high)

November

3/10

3–10°C (feels 7°C) · 18 rain days (281h) · 202 sun hours · 63% humidity · Quiet 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 January and peaks in February. 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.