Best time to visit Punta del Diablo

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 (?)
10975322357910
On the sunniest 1 in 10 days, UV reaches this — and even higher
1312106437101213
PM2.5 air quality · on a typical day (?)
665555667666
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
9988888111211109
December 8/10 feels 22°C (−1°C vs 1991-2020) · HCI 84/100
Day 23° · Night 18° ☀ UV 9.8 (very high) 69% humidity 27 km/h wind 8 rain days (97h) 275h sun sea 22°C
Thermal 8
Sky 9
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 climatesJosé Ignacio96% · Punta del Este96% · Mar del Plata91%

Other destinations with the most-alike year-round climate to Punta del Diablo (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 Punta del Diablo'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 20–25 26 11 122 11.1 70% 26 278 10 Peak 8
Feb 20–25 26 12 142 11.8 71% 26 238 9 Moderate 7
Mar 19–24 25 13 142 10.9 72% 24 231 7 Quiet 7
Apr 16–21 20 10 126 12.6 72% 25 203 5 Quiet 8
May 12–18 16 9 110 12.2 74% 24 174 3 Quiet 8
Jun 10–16 13 10 106 10.6 78% 24 147 2 Quiet 7
Jul 8–15 12 7 86 12.3 77% 24 165 2 Quiet 7
Aug 9–16 13 7 86 12.3 77% 25 188 3 Quiet 8
Sep 11–17 14 10 115 11.5 79% 27 175 5 Quiet 7
Oct 13–19 17 8 91 11.4 75% 27 229 7 Quiet 8
Nov 16–22 20 9 113 12.6 72% 27 250 9 Quiet 8
Dec 18–23 22 8 97 12.1 69% 27 275 10 Moderate 8

UV Index in Punta del Diablo by Month

UV index in Punta del Diablo peaks at 10 (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

December

8/10

18–23°C · 8 rain days (97h) · 275 sun hours · 69% humidity · Moderate crowd · UV 10 (very high) · sunniest 1 in 10 days reach 13 (extreme)

October

8/10

13–19°C (feels 17°C) · 8 rain days (91h) · 229 sun hours · 75% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 10 (very high)

August

8/10

9–16°C (feels 13°C) · 7 rain days (86h) · 188 sun hours · 77% humidity · Quiet crowd · UV 3 (moderate)

Every month

Show the other 9 months in detail

January

8/10

20–25°C · 11 rain days (122h) · 278 sun hours · 70% humidity · Peak crowd · UV 10 (very high) · sunniest 1 in 10 days reach 13 (extreme)

February

7/10

20–25°C · 12 rain days (142h) · 238 sun hours · 71% humidity · Moderate crowd · UV 9 (very high) · sunniest 1 in 10 days reach 12 (extreme)

March

7/10

19–24°C · 13 rain days (142h) · 231 sun hours · 72% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 10 (very high)

April

8/10

16–21°C · 10 rain days (126h) · 203 sun hours · 72% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)

May

8/10

12–18°C (feels 16°C) · 9 rain days (110h) · 174 sun hours · 74% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

June

7/10

10–16°C (feels 13°C) · 10 rain days (106h) · 147 sun hours · 78% humidity · Quiet crowd · UV 2 (low)

July

7/10

8–15°C (feels 12°C) · 7 rain days (86h) · 165 sun hours · 77% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)

September

7/10

11–17°C (feels 14°C) · 10 rain days (115h) · 175 sun hours · 79% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)

November

8/10

16–22°C (feels 20°C) · 9 rain days (113h) · 250 sun hours · 72% humidity · Quiet crowd · UV 9 (very high) · sunniest 1 in 10 days reach 12 (extreme)

Frequently asked questions about visiting Punta del Diablo

When is the best time to visit Punta del Diablo?

December is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: 18–23°C (8 rainy days). The top three months by score are December, October, August.

What is the worst time to visit Punta del Diablo?

June is the lowest-scoring month (7/10). Typical conditions: 10–16°C (10 rainy days).

When are crowds lowest in Punta del Diablo?

Search-interest seasonality (Google Trends 2021-2025) is lowest in May and peaks in January. 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 Punta del Diablo have good weather but fewer tourists?

April (climate 8/10, crowd index 10) and May (climate 8/10, 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 Punta del Diablo by month?

UV peaks at 10 (very high) in January and is lowest in June at 2 (low). Monthly peak values: Jan 10, Feb 9, Mar 7, Apr 5, May 3, Jun 2, Jul 2, Aug 3, Sep 5, Oct 7, Nov 9, 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 Punta del Diablo in January?

January is the peak UV month in Punta del Diablo, with a daily-peak UV index of 10 (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 Punta del Diablo 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 10 (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.