Best time to visit Milos

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 (?)
2346791097532
On the sunniest 1 in 10 days, UV reaches this — and even higher
4884
PM2.5 air quality · on a typical day (?)
66891011111010876
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
91013131414151314131111
May 10/10 feels 21°C (+3°C vs 1991-2020) · HCI 99/100
Day 23° · Night 17° 53% humidity 26 km/h wind 3 rain days (32h) 289h sun sea 19°C
Thermal 10
Sky 10
Rain 10
Wind 9

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 Milos

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

  1. 1Milos Sunset Catamaran Cruise to Kleftiko Bay with Meal & Drinks4.97★ (32)5h 30mfrom $147🔥 Selling fast
  2. 2Milos oneiro-kleftiko sailing experience with local guide5.00★ (502)7hfrom $160🔥 Selling fast
  3. 3Milos caves snorkelling Catamaran Cruise in a small group4.96★ (244)from $228🔥 Selling fast
  4. 4Milos Luxury Catamaran Cruise to Kleftiko Bay with Lunch5.00★ (22)5h 30mfrom $150🔥 Selling fast
  5. 5Milos Luxury Sailboat Cruise to Kleftiko Bay with Meal and Drinks4.98★ (49)5h 30mfrom $123
  6. 6Private Morning Cruise from Pollonia to Polyaigos(Half-Day)5.00★ (15)5hfrom $514🔥 Selling fast
  7. 7Jeep Milos Day Adventure: Premium Island Highlights & BBQ5.00★ (18)6hfrom $211🔥 Selling fast
  8. 8Half-Day Private Romantic Sailing Getaway to Kleftiko4.93★ (85)5hfrom $685
  9. 9Private Luxury Boat Tour to Kleftiko Milos5.00★ (60)from $1998
  10. 10Three Greek Islands Full-Day Private Luxury Boat Tour5.00★ (51)8hfrom $2626
  11. 11Milos Small-Group Full-Day Cruise with Snorkelling and Lunch4.98★ (1,693)8hfrom $183
  12. 12Best of Milos and Poliegos Catamaran snorkelling Cruise with BBQ4.97★ (606)9hfrom $228
  13. 13Full-Day Small-Group Cruise in Milos & Poliegos with Lunch4.98★ (388)from $240
  14. 14Half Day Sailing to Kleftiko with Lunch, Open Bar & Snorkeling4.99★ (331)7hfrom $137
  15. 15Milos and Polyaigos Full Day Cruise with Meals and Snorkelling4.86★ (405)from $143
  16. 16Kayaking Tour to the secrets of Milos4.96★ (266)3h 30mfrom $69
  17. 17Full Day Kleftiko and Polyegos Tour Lunch Open Bar and Snorkeling4.99★ (87)9h 30mfrom $183
  18. 18Catamaran Half Day Shared Kleftiko Trip4.94★ (251)5hfrom $206
  19. 19Catamaran Full-Day of Milos and Poliegos With Lunch & BBQ4.88★ (291)10hfrom $240
  20. 20Private Luxury Boat Tour to Kimolos & Poliegos4.97★ (36)from $1998
  21. 21Milos Sailing Tour with snorkeling and lunch4.80★ (275)8hfrom $171
  22. 22Private Daily Sailing Cruise to Discover the Highlights of Milos4.91★ (35)8hfrom $1319
  23. 23Catamaran Half Day Morning Cruise: Kleftiko4.82★ (221)6hfrom $188
  24. 24Kleftiko Full Day Sailing Cruise with Snorkeling & Lunch4.80★ (166)from $160
  25. 25Milos: Small Group Yacht Tour—Kleftiko Sarakiniko Poliegos4.93★ (90)5hfrom $194
  26. 26Catamaran Full Day Cruise: Poliegos - Kleftiko4.92★ (100)9h 30mfrom $240
  27. 27Half Day Boat Tour to Kleftiko Milos4.58★ (228)4hfrom $66
  28. 28Milos & Poliegos Catamaran Cruise Homemade Full menu BBQ & Drinks5.00★ (53)from $240
  29. 29Milos Island e-Bike Ride4.96★ (56)3h 30mfrom $80
  30. 30Sailboat Full Day Tour in Kleftiko and Blue Lagoon with Lunch4.97★ (60)9hfrom $188

Last refreshed 2026-10-24.

Similar climatesParos98% · Mykonos97% · Santorini95%

Other destinations with the most-alike year-round climate to Milos (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 Milos'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 11–15 10 10 108 10.8 65% 36 174 2 Quiet 7
Feb 11–15 11 7 81 11.6 63% 35 189 3 Quiet 8
Mar 12–16 12 7 91 13.0 59% 33 229 4 Moderate 8
Apr 14–19 16 4 42 10.5 56% 31 246 6 Quiet 9
May 17–23 21 3 32 10.7 53% 26 289 7 Moderate 10
Jun 22–28 27 1 16 16.0 50% 25 306 9 Peak 10
Jul 25–30 29 1 6 6.0 49% 31 313 10 Busy 9
Aug 25–30 30 1 10 10.0 51% 27 301 9 Peak 8
Sep 23–27 27 2 25 12.5 54% 28 261 7 Moderate 10
Oct 19–23 22 3 40 13.3 59% 28 235 5 Quiet 10
Nov 16–20 17 6 69 11.5 63% 32 197 3 Quiet 9
Dec 13–17 13 11 131 11.9 69% 30 184 2 Quiet 7

UV Index in Milos by Month

UV index in Milos peaks at 10 (very high) in July, dropping to 2 (low) in December. June, July, August 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

May

10/10

17–23°C (feels 21°C) · 3 rain days (32h) · 289 sun hours · 53% humidity · Moderate crowd · UV 7 (high) · sunniest 1 in 10 days reach 8 (very high)

June

10/10

22–28°C · 1 rain days (16h) · 306 sun hours · 50% humidity · Peak crowd · UV 9 (very high)

September

10/10

23–27°C · 2 rain days (25h) · 261 sun hours · 54% humidity · Moderate crowd · UV 7 (high)

Every month

Show the other 9 months in detail

January

7/10

11–15°C (feels 10°C) · 10 rain days (108h) · 174 sun hours · 65% humidity · Quiet crowd · UV 2 (low)

February

8/10

11–15°C (feels 11°C) · 7 rain days (81h) · 189 sun hours · 63% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

March

8/10

12–16°C (feels 12°C) · 7 rain days (91h) · 229 sun hours · 59% humidity · Moderate crowd · UV 4 (moderate)

April

9/10

14–19°C (feels 16°C) · 4 rain days (42h) · 246 sun hours · 56% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (high)

July

9/10

25–30°C · 1 rain days (6h) · 313 sun hours · 49% humidity · Busy crowd · UV 10 (very high)

August

8/10

25–30°C · 1 rain days (10h) · 301 sun hours · 51% humidity · Peak crowd · UV 9 (very high)

October

10/10

19–23°C (feels 22°C) · 3 rain days (40h) · 235 sun hours · 59% humidity · Quiet crowd · UV 5 (moderate)

November

9/10

16–20°C (feels 17°C) · 6 rain days (69h) · 197 sun hours · 63% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

December

7/10

13–17°C (feels 13°C) · 11 rain days (131h) · 184 sun hours · 69% humidity · Quiet crowd · UV 2 (low)

Frequently asked questions about visiting Milos

When is the best time to visit Milos?

May is the highest-scoring month (10/10 on the Holiday Climate Index). Typical conditions: 17–23°C (3 rainy days). The top three months by score are May, June, September.

What is the worst time to visit Milos?

December is the lowest-scoring month (7/10). Typical conditions: 13–17°C (11 rainy days).

Is Milos too hot in summer?

1 month (August) 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 Milos?

Search-interest seasonality (Google Trends 2021-2025) is lowest in November and peaks in June. 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 Milos have good weather but fewer tourists?

October (climate 10/10, crowd index 10) and April (climate 9/10, crowd index 35) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in Milos by month?

UV peaks at 10 (very high) in July and is lowest in December at 2 (low). Monthly peak values: Jan 2, Feb 3, Mar 4, Apr 6, May 7, Jun 9, Jul 10, Aug 9, Sep 7, Oct 5, Nov 3, Dec 2. June, July, August 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 Milos in July?

July is the peak UV month in Milos, 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 Milos 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. May is the worst case: typical days average UV 7 (high), but the top 10% of days reach UV 8 (very high) — and even higher. Months where the sunniest days routinely exceed the typical reading: February, April, May, November. Plan sun protection for the worst case, not the average.

Is air quality in Milos bad for travelers?

PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 1 month: July. The worst month is July with a typical-day mean of 11 µg/m³ (moderate); on the worst 10% of days PM2.5 reaches 15 µg/m³ (unhealthy for sensitive) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.