Best time to visit Bariloche

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 (?)
11963212247810
On the sunniest 1 in 10 days, UV reaches this — and even higher
1312854691113
PM2.5 air quality · on a typical day (?)
332211122332
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
544422344654
September 8/10 feels 5°C · HCI 76/100
Day 9° · Night 2° 65% humidity 17 km/h wind 10 rain days (152h) 201h sun
Thermal 9
Sky 7
Rain 6
Wind 10

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

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.

Tours in Bariloche

6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Bariloche).

  1. 1Tronador hill and Black snowdrift4.84★ (19)8hfrom $59
  2. 2Small Circuit and Panoramic Point in private5.00★ (6)3h 30mfrom $260
  3. 3Explore Patagonia Tour of Circuito Chico5.00★ (2)6hfrom $300
  4. 4Hiking in Bariloche and Surroundings5.00★ (2)8hfrom $100
  5. 5Half a day of kayaking on the Nahuel Huapi lake in private service4.98★ (55)4hfrom $150
  6. 6Half a day of kayaking on Lake Moreno in private service4.97★ (99)4hfrom $150

Last refreshed 2026-06-20.

Similar climatesWanaka84% · Pucón82% · El Chaltén77%

Other destinations with the most-alike year-round climate to Bariloche (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 Bariloche'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 10–23 21 4 62 15.5 40% 18 309 11 Quiet 3
Feb 11–23 21 4 48 12.0 41% 18 263 9 Quiet 3
Mar 9–19 17 8 87 10.9 49% 18 242 6 Quiet 4
Apr 6–14 11 11 159 14.5 62% 17 177 3 Quiet 5
May 3–9 6 13 183 14.1 73% 15 160 2 Quiet 7
Jun 1–6 2 17 263 15.5 80% 16 99 1 Moderate 5
Jul 0–5 2 16 238 14.9 78% 15 126 2 Busy 6
Aug 1–7 3 15 227 15.1 71% 16 164 2 Peak 6
Sep 2–9 5 10 152 15.2 65% 17 201 4 Busy 8
Oct 3–14 11 7 95 13.6 52% 18 253 7 Moderate 7
Nov 7–17 14 8 106 13.3 50% 19 262 8 Busy 5
Dec 9–21 18 5 53 10.6 40% 19 319 10 Moderate 3

UV Index in Bariloche by Month

UV index in Bariloche peaks at 11 (extreme) in January, dropping to 1 (low) in June. January, February, December reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

Best months in detail

September

8/10

2–9°C (feels 5°C) · 10 rain days (152h) · 201 sun hours · 65% humidity · Busy crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (high)

October

7/10

3–14°C (feels 11°C) · 7 rain days (95h) · 253 sun hours · 52% humidity · Moderate crowd · UV 7 (high) · sunniest 1 in 10 days reach 9 (very high)

May

7/10

3–9°C (feels 6°C) · 13 rain days (183h) · 160 sun hours · 73% humidity · Quiet crowd · UV 2 (low)

Every month

Show the other 9 months in detail

January

3/10

10–23°C (feels 21°C) · 4 rain days (62h) · 309 sun hours · 40% humidity · Quiet crowd · UV 11 (extreme) · sunniest 1 in 10 days reach 13 (extreme)

February

3/10

11–23°C (feels 21°C) · 4 rain days (48h) · 263 sun hours · 41% humidity · Quiet crowd · UV 9 (very high) · sunniest 1 in 10 days reach 12 (extreme)

March

4/10

9–19°C (feels 17°C) · 8 rain days (87h) · 242 sun hours · 49% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (very high)

April

5/10

6–14°C (feels 11°C) · 11 rain days (159h) · 177 sun hours · 62% humidity · Quiet crowd · UV 3 (moderate) · sunniest 1 in 10 days reach 5 (moderate)

June

5/10

1–6°C (feels 2°C) · 17 rain days (263h) · 99 sun hours · 80% humidity · Moderate crowd · UV 1 (low)

July

6/10

0–5°C (feels 2°C) · 16 rain days (238h) · 126 sun hours · 78% humidity · Busy crowd · UV 2 (low)

August

6/10

1–7°C (feels 3°C) · 15 rain days (227h) · 164 sun hours · 71% humidity · Peak crowd · UV 2 (low) · sunniest 1 in 10 days reach 4 (moderate)

November

5/10

7–17°C (feels 14°C) · 8 rain days (106h) · 262 sun hours · 50% humidity · Busy crowd · UV 8 (high) · sunniest 1 in 10 days reach 11 (extreme)

December

3/10

9–21°C (feels 18°C) · 5 rain days (53h) · 319 sun hours · 40% humidity · Moderate crowd · UV 10 (very high) · sunniest 1 in 10 days reach 13 (extreme)

Frequently asked questions about visiting Bariloche

When is the best time to visit Bariloche?

September is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: 2–9°C (10 rainy days). The top three months by score are September, October, May.

What is the worst time to visit Bariloche?

February is the lowest-scoring month (3/10, capped by extreme heat). Typical conditions: 11–23°C (4 rainy days).

Is Bariloche too hot in summer?

5 months (January, February, March, November, December) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.

When are crowds lowest in Bariloche?

Search-interest seasonality (Google Trends 2021-2025) is lowest in February and peaks in August. 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.

Which months in Bariloche have good weather but fewer tourists?

May (climate 7/10, crowd index 29) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in Bariloche by month?

UV peaks at 11 (extreme) in January and is lowest in June at 1 (low). Monthly peak values: Jan 11, Feb 9, Mar 6, Apr 3, May 2, Jun 1, Jul 2, Aug 2, Sep 4, Oct 7, Nov 8, Dec 10. January, February, December reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

What is the UV index in Bariloche in January?

January is the peak UV month in Bariloche, with a daily-peak UV index of 11 (extreme). At this level, sunburn can occur in under 20 minutes on unprotected fair skin. Apply SPF 50+, wear protective clothing and a hat, and avoid direct midday sun (11:00–17:00).

How high can UV get in Bariloche 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. January is the worst case: typical days average UV 11 (extreme), but the top 10% of days reach UV 13 (extreme) — and even higher. Months where the sunniest days routinely exceed the typical reading: January, February, March, April, August, September, October, November, December. Plan sun protection for the worst case, not the average.