Best time to visit Portofino
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
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.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
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 climatesGenoa97% · Vernazza96% · Manarola95%
Other destinations with the most-alike year-round climate to Portofino (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 Portofino'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 | 7–12 | 10 | 12 | 169 | 14.1 | 70% | 15 | 144 | 1 | Quiet | 5 |
| Feb | 8–14 | 11 | 12 | 180 | 15.0 | 70% | 15 | 143 | 2 | Quiet | 5 |
| Mar | 8–15 | 12 | 12 | 150 | 12.5 | 62% | 16 | 203 | 3 | Quiet | 6 |
| Apr | 10–17 | 15 | 11 | 138 | 12.5 | 61% | 15 | 237 | 4 | Quiet | 7 |
| May | 15–21 | 21 | 15 | 158 | 10.5 | 69% | 15 | 263 | 5 | Moderate | 7 |
| Jun | 19–25 | 27 | 12 | 150 | 12.5 | 71% | 12 | 289 | 6 | Moderate | 7 |
| Jul | 22–28 | 31 | 7 | 74 | 10.6 | 67% | 12 | 324 | 7 | Peak | 6 |
| Aug | 22–29 | 32 | 10 | 94 | 9.4 | 62% | 12 | 285 | 6 | Peak | 5 |
| Sep | 18–25 | 26 | 12 | 144 | 12.0 | 65% | 14 | 231 | 5 | Quiet | 8 |
| Oct | 15–21 | 21 | 15 | 233 | 15.5 | 74% | 14 | 173 | 3 | Quiet | 6 |
| Nov | 11–16 | 15 | 12 | 160 | 13.3 | 68% | 16 | 151 | 2 | Quiet | 6 |
| Dec | 8–13 | 11 | 15 | 244 | 16.3 | 74% | 15 | 115 | 1 | Quiet | 4 |
UV Index in Portofino by Month
UV index in Portofino peaks at 7 (high) in July, dropping to 1 (low) in January. June, July, August have high UV — SPF 30+ and sunglasses recommended.
Best months in detail
September
8/1018–25°C (feels 26°C) · 12 rain days (144h) · 231 sun hours · 65% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)
June
7/1019–25°C (feels 27°C) · 12 rain days (150h) · 289 sun hours · 71% humidity · Moderate crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (very high)
April
7/1010–17°C (feels 15°C) · 11 rain days (138h) · 237 sun hours · 61% humidity · Quiet crowd · UV 4 (moderate)
Every month
Show the other 9 months in detail
January
5/107–12°C (feels 10°C) · 12 rain days (169h) · 144 sun hours · 70% humidity · Quiet crowd · UV 1 (low)
February
5/108–14°C (feels 11°C) · 12 rain days (180h) · 143 sun hours · 70% humidity · Quiet crowd · UV 2 (low)
March
6/108–15°C (feels 12°C) · 12 rain days (150h) · 203 sun hours · 62% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
May
7/1015–21°C · 15 rain days (158h) · 263 sun hours · 69% humidity · Moderate crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
July
6/1022–28°C (feels 31°C) · 7 rain days (74h) · 324 sun hours · 67% humidity · Peak crowd · UV 7 (high) · sunniest 1 in 10 days reach 9 (very high)
August
5/1022–29°C (feels 32°C) · 10 rain days (94h) · 285 sun hours · 62% humidity · Peak crowd · UV 6 (high)
October
6/1015–21°C · 15 rain days (233h) · 173 sun hours · 74% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
November
6/1011–16°C (feels 15°C) · 12 rain days (160h) · 151 sun hours · 68% humidity · Quiet crowd · UV 2 (low)
December
4/108–13°C (feels 11°C) · 15 rain days (244h) · 115 sun hours · 74% humidity · Quiet crowd · UV 1 (low)
Frequently asked questions about visiting Portofino
When is the best time to visit Portofino?
September is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: 18–25°C (12 rainy days). The top three months by score are September, June, April.
What is the worst time to visit Portofino?
December is the lowest-scoring month (4/10). Typical conditions: 8–13°C (15 rainy days).
Is Portofino 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 Portofino?
Search-interest seasonality (Google Trends 2021-2025) is lowest in October 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 Portofino have good weather but fewer tourists?
September (climate 8/10, crowd index 35) and April (climate 7/10, crowd index 21) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Portofino by month?
UV peaks at 7 (high) in July and is lowest in January at 1 (low). Monthly peak values: Jan 1, Feb 2, Mar 3, Apr 4, May 5, Jun 6, Jul 7, Aug 6, Sep 5, Oct 3, Nov 2, Dec 1.
What is the UV index in Portofino in July?
July is the peak UV month in Portofino, with a daily-peak UV index of 7 (high). Apply SPF 30+, wear sunglasses, and seek shade during midday hours.
How high can UV get in Portofino 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. July is the worst case: typical days average UV 7 (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: March, May, June, July, September, October. Plan sun protection for the worst case, not the average.
Is air quality in Portofino bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 3 months: February, March, June. The worst month is February with a typical-day mean of 10 µg/m³ (moderate); on the worst 10% of days PM2.5 reaches 16 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.