Best time to visit José Ignacio

Re-score for me — drag the dial — every chart recolours live for your heat & sea limits 27°C · sea 29°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.

Sea feels bathtub at 29°C
26° strict 31° tolerant

Default 29 °C is the Beach Climate Index "bathtub" line (Morgan et al.) — where the sea stops being refreshing and starts feeling like a warm bath.

Saved to this browser. Changes update the strips below.
Sea temp cold <18° chilly 18–21° ideal 22–26° warm 27–28° bathtub 29–30° too warm ≥31°
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Sea Nov 2022 – Dec 2024 (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
119743223571010
On the sunniest 1 in 10 days, UV reaches this — and even higher
131210643791113
PM2.5 air quality · on a typical day (?)
666566667667
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
91088999111110910
January 9/10 feels 26°C (+1°C vs 1991-2020) · HCI 89/100
Day 26° · Night 19° ☀ UV 10.8 (very high) 64% humidity 27 km/h wind 7 rain days (82h) 283h sun sea 22°C
Thermal 8
Sky 10
Rain 8
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 climatesPunta del Este98% · Punta del Diablo96% · Mar del Plata94%

Other destinations with the most-alike year-round climate to José Ignacio (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 José Ignacio'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 19–26 26 7 82 11.7 64% 27 283 11 Quiet 9
Feb 19–25 25 12 143 11.9 68% 27 237 9 Quiet 7
Mar 19–24 24 12 128 10.7 69% 25 234 7 Quiet 8
Apr 16–21 20 10 124 12.4 70% 25 199 4 Quiet 8
May 12–18 15 10 112 11.2 70% 26 177 3 Quiet 8
Jun 10–15 13 9 107 11.9 77% 25 149 2 Quiet 7
Jul 9–14 11 10 100 10.0 75% 26 168 2 Quiet 7
Aug 9–15 12 8 92 11.5 75% 26 185 3 Peak 8
Sep 10–16 13 8 86 10.8 77% 26 183 5 Quiet 8
Oct 12–18 16 8 89 11.1 72% 27 239 7 Quiet 8
Nov 15–21 20 8 85 10.6 69% 28 253 10 Quiet 9
Dec 17–23 22 9 97 10.8 66% 28 282 10 Quiet 8

UV Index in José Ignacio by Month

UV index in José Ignacio peaks at 11 (very high) in January, dropping to 2 (low) in June. January, February, November, 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

January

9/10

19–26°C · 7 rain days (82h) · 283 sun hours · 64% humidity · Quiet crowd · UV 11 (very high) · sunniest 1 in 10 days reach 13 (extreme)

November

9/10

15–21°C (feels 20°C) · 8 rain days (85h) · 253 sun hours · 69% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 11 (extreme)

December

8/10

17–23°C (feels 22°C) · 9 rain days (97h) · 282 sun hours · 66% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 13 (extreme)

Every month

Show the other 9 months in detail

February

7/10

19–25°C · 12 rain days (143h) · 237 sun hours · 68% humidity · Quiet crowd · UV 9 (very high) · sunniest 1 in 10 days reach 12 (extreme)

March

8/10

19–24°C · 12 rain days (128h) · 234 sun hours · 69% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 10 (very high)

April

8/10

16–21°C (feels 20°C) · 10 rain days (124h) · 199 sun hours · 70% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)

May

8/10

12–18°C (feels 15°C) · 10 rain days (112h) · 177 sun hours · 70% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

June

7/10

10–15°C (feels 13°C) · 9 rain days (107h) · 149 sun hours · 77% humidity · Quiet crowd · UV 2 (low)

July

7/10

9–14°C (feels 11°C) · 10 rain days (100h) · 168 sun hours · 75% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)

August

8/10

9–15°C (feels 12°C) · 8 rain days (92h) · 185 sun hours · 75% humidity · Peak crowd · UV 3 (moderate)

September

8/10

10–16°C (feels 13°C) · 8 rain days (86h) · 183 sun hours · 77% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)

October

8/10

12–18°C (feels 16°C) · 8 rain days (89h) · 239 sun hours · 72% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 9 (very high)

Frequently asked questions about visiting José Ignacio

When is the best time to visit José Ignacio?

January is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 19–26°C (7 rainy days). The top three months by score are January, November, December.

What is the worst time to visit José Ignacio?

June is the lowest-scoring month (7/10). Typical conditions: 10–15°C (9 rainy days).

When are crowds lowest in José Ignacio?

Search-interest seasonality (Google Trends 2021-2025) is lowest in January 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 José Ignacio have good weather but fewer tourists?

January (climate 9/10, crowd index 0) and November (climate 9/10, crowd index 0) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in José Ignacio by month?

UV peaks at 11 (very high) in January and is lowest in June at 2 (low). Monthly peak values: Jan 11, Feb 9, Mar 7, Apr 4, May 3, Jun 2, Jul 2, Aug 3, Sep 5, Oct 7, Nov 10, Dec 10. January, February, November, 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 José Ignacio in January?

January is the peak UV month in José Ignacio, with a daily-peak UV index of 11 (very high). 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 José Ignacio 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 (very high), 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, May, July, September, October, November, December. Plan sun protection for the worst case, not the average.