Best time to visit Olbia

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 (?)
124568986421
On the sunniest 1 in 10 days, UV reaches this — and even higher
378997
PM2.5 air quality · on a typical day (?)
677779897766
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
9111210111214131212910
September 9/10 feels 28°C (+2°C vs 1991-2020) · HCI 94/100
Day 28° · Night 19° · cools 9° at night 53% humidity 20 km/h wind 7 rain days (65h) 244h sun sea 24°C
Thermal 9
Sky 10
Rain 9
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.

Similar climatesCagliari95% · Cannes94% · Catania94%

Other destinations with the most-alike year-round climate to Olbia (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 Olbia'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 11 9 104 11.6 69% 21 173 1 Quiet 7
Feb 7–16 13 4 47 11.8 61% 21 190 2 Quiet 9
Mar 8–16 13 8 102 12.8 61% 22 222 4 Quiet 8
Apr 10–18 16 8 86 10.8 55% 22 253 5 Quiet 9
May 14–23 22 8 87 10.9 54% 20 276 6 Quiet 9
Jun 19–29 29 5 37 7.4 46% 20 301 8 Moderate 9
Jul 22–33 33 1 8 8.0 39% 20 325 9 Moderate 6
Aug 22–32 33 3 26 8.7 42% 20 292 8 Peak 6
Sep 19–28 28 7 65 9.3 53% 20 244 6 Moderate 9
Oct 15–23 23 7 78 11.1 59% 19 211 4 Quiet 9
Nov 12–18 17 10 122 12.2 68% 20 167 2 Quiet 8
Dec 8–15 13 8 71 8.9 69% 20 171 1 Quiet 8

UV Index in Olbia by Month

UV index in Olbia peaks at 9 (very high) in July, dropping to 1 (low) in January. July 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

9/10

19–28°C · 7 rain days (65h) · 244 sun hours · 53% humidity · Moderate crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)

October

9/10

15–23°C · 7 rain days (78h) · 211 sun hours · 59% humidity · Quiet crowd · UV 4 (moderate)

June

9/10

19–29°C · 5 rain days (37h) · 301 sun hours · 46% humidity · Moderate crowd · UV 8 (high) · sunniest 1 in 10 days reach 9 (very high)

Every month

Show the other 9 months in detail

January

7/10

7–14°C (feels 11°C) · 9 rain days (104h) · 173 sun hours · 69% humidity · Quiet crowd · UV 1 (low)

February

9/10

7–16°C (feels 13°C) · 4 rain days (47h) · 190 sun hours · 61% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)

March

8/10

8–16°C (feels 13°C) · 8 rain days (102h) · 222 sun hours · 61% humidity · Quiet crowd · UV 4 (moderate)

April

9/10

10–18°C (feels 16°C) · 8 rain days (86h) · 253 sun hours · 55% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)

May

9/10

14–23°C (feels 22°C) · 8 rain days (87h) · 276 sun hours · 54% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (high)

July

6/10

22–33°C · 1 rain days (8h) · 325 sun hours · 39% humidity · Moderate crowd · UV 9 (very high)

August

6/10

22–32°C · 3 rain days (26h) · 292 sun hours · 42% humidity · Peak crowd · UV 8 (high) · sunniest 1 in 10 days reach 9 (very high)

November

8/10

12–18°C (feels 17°C) · 10 rain days (122h) · 167 sun hours · 68% humidity · Quiet crowd · UV 2 (low)

December

8/10

8–15°C (feels 13°C) · 8 rain days (71h) · 171 sun hours · 69% humidity · Quiet crowd · UV 1 (low)

Frequently asked questions about visiting Olbia

When is the best time to visit Olbia?

September is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 19–28°C (7 rainy days). The top three months by score are September, October, June.

What is the worst time to visit Olbia?

July is the lowest-scoring month (6/10, capped by extreme heat). Typical conditions: 22–33°C (1 rainy day).

Is Olbia too hot in summer?

2 months (July, 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 Olbia?

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 Olbia have good weather but fewer tourists?

February (climate 9/10, crowd index 0) and April (climate 9/10, crowd index 15) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in Olbia by month?

UV peaks at 9 (very high) in July and is lowest in January at 1 (low). Monthly peak values: Jan 1, Feb 2, Mar 4, Apr 5, May 6, Jun 8, Jul 9, Aug 8, Sep 6, Oct 4, Nov 2, Dec 1. July 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 Olbia in July?

July is the peak UV month in Olbia, with a daily-peak UV index of 9 (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 Olbia 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. June is the worst case: typical days average UV 8 (high), but the top 10% of days reach UV 9 (very high) — and even higher. Months where the sunniest days routinely exceed the typical reading: February, April, May, June, August, September. Plan sun protection for the worst case, not the average.