Best time to visit Sirmione
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.
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.
Tours in Sirmione
26 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Sirmione).
- 1
Boat Tour of Isola del Garda - 2
From Milan: Verona, Sirmione and Lake Garda Tour with Boat Cruise - 3
Sunset Tour in Sirmione - 4
Lake Garda Sunset Cruise from Sirmione with Prosecco - 5
Sirmione away from the Crowds Boat Cruise Guided Walk and a Drink - 6
Discover DOP Olive Oil - 7
Lake Garda Afternoon Sightseeing Cruise from Sirmione - 8
Verona & Lake Garda with Boat Cruise: Full-Day Tour from Milan - 9
Castles boat tour with Bardolino wine tasting and nibbles - 10
Truffle Hunting with Wine Tasting - 11
Sirmione & Verona, Lake Garda, private tour from Milan, by car. - 12
Tour in barca da Sirmione all'Isola del Garda - 13
Lake Garda: Sirmione Boat Tour and Walking Tour - 14
Best of Sirmione with Boat Tour and Grotte di Catullo - 15
Boat Tour of the Islands of Lake Garda with Aperitif - 16
Guided tour in Sirmione with motorboat tour - 17
Private Romantic Motorboat Tour From Sirmione - 18
The best of Sirmione: art and taste on Lake Garda - 19
The Best of Sirmione Private Walking Tour - 20
Discover Lake Garda Full Day Scenic Tour of its Heart and Gems - 21
Sirmione before the crowds early private tour & boat ride - 22
Private Walking Tour in Sirmione Heritage & Castle - 23
Lake Garda at Sunset: Desenzano Walk & Boat around Sirmione - 24
A walking tour and a mini-cruise in Sirmione - 25
Sup experience with sightseeing tour in Sirmione Lake Garda - 26
Sirmione Scaligero Castle Ticket and Guided Tour
Last refreshed 2026-08-13.
Similar climatesVerona97% · Bologna96% · Trento96%
Other destinations with the most-alike year-round climate to Sirmione (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 Sirmione'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 | 2–8 | 5 | 6 | 86 | 14.3 | 78% | 13 | 142 | 1 | Quiet | 5 |
| Feb | 4–12 | 9 | 4 | 68 | 17.0 | 70% | 15 | 161 | 2 | Quiet | 7 |
| Mar | 5–15 | 12 | 8 | 85 | 10.6 | 59% | 15 | 211 | 3 | Quiet | 7 |
| Apr | 8–18 | 16 | 9 | 102 | 11.3 | 53% | 15 | 242 | 4 | Moderate | 8 |
| May | 14–22 | 22 | 16 | 170 | 10.6 | 59% | 16 | 251 | 4 | Moderate | 7 |
| Jun | 19–27 | 28 | 11 | 106 | 9.6 | 57% | 14 | 295 | 6 | Moderate | 8 |
| Jul | 21–30 | 31 | 11 | 79 | 7.2 | 55% | 15 | 315 | 7 | Peak | 6 |
| Aug | 21–29 | 31 | 10 | 74 | 7.4 | 56% | 13 | 278 | 6 | Peak | 6 |
| Sep | 17–25 | 25 | 10 | 99 | 9.9 | 60% | 13 | 234 | 4 | Moderate | 9 |
| Oct | 13–20 | 19 | 10 | 124 | 12.4 | 71% | 13 | 183 | 2 | Quiet | 8 |
| Nov | 7–13 | 11 | 8 | 84 | 10.5 | 77% | 12 | 146 | 1 | Quiet | 6 |
| Dec | 3–9 | 6 | 9 | 129 | 14.3 | 83% | 12 | 102 | 1 | Quiet | 5 |
UV Index in Sirmione by Month
UV index in Sirmione peaks at 7 (high) in July, dropping to 1 (low) in January. July have high UV — SPF 30+ and sunglasses recommended.
Best months in detail
September
9/1017–25°C · 10 rain days (99h) · 234 sun hours · 60% humidity · Moderate crowd · UV 4 (moderate)
April
8/108–18°C (feels 16°C) · 9 rain days (102h) · 242 sun hours · 53% humidity · Moderate crowd · UV 4 (moderate)
June
8/1019–27°C (feels 28°C) · 11 rain days (106h) · 295 sun hours · 57% humidity · Moderate crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 8 (high)
Every month
Show the other 9 months in detail
January
5/102–8°C (feels 5°C) · 6 rain days (86h) · 142 sun hours · 78% humidity · Quiet crowd · UV 1 (low)
February
7/104–12°C (feels 9°C) · 4 rain days (68h) · 161 sun hours · 70% humidity · Quiet crowd · UV 2 (low)
March
7/105–15°C (feels 12°C) · 8 rain days (85h) · 211 sun hours · 59% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
May
7/1014–22°C · 16 rain days (170h) · 251 sun hours · 59% humidity · Moderate crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (high)
July
6/1021–30°C (feels 31°C) · 11 rain days (79h) · 315 sun hours · 55% humidity · Peak crowd · UV 7 (high)
August
6/1021–29°C (feels 31°C) · 10 rain days (74h) · 278 sun hours · 56% humidity · Peak crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
October
8/1013–20°C · 10 rain days (124h) · 183 sun hours · 71% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 4 (moderate)
November
6/107–13°C (feels 11°C) · 8 rain days (84h) · 146 sun hours · 77% humidity · Quiet crowd · UV 1 (low)
December
5/103–9°C (feels 6°C) · 9 rain days (129h) · 102 sun hours · 83% humidity · Quiet crowd · UV 1 (low)
Frequently asked questions about visiting Sirmione
When is the best time to visit Sirmione?
September is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 17–25°C (10 rainy days). The top three months by score are September, April, June.
What is the worst time to visit Sirmione?
December is the lowest-scoring month (5/10). Typical conditions: 3–9°C (9 rainy days).
Is Sirmione 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 Sirmione?
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 Sirmione have good weather but fewer tourists?
October (climate 8/10, crowd index 28) and February (climate 7/10, crowd index 10) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Sirmione 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 4, Jun 6, Jul 7, Aug 6, Sep 4, Oct 2, Nov 1, Dec 1.
What is the UV index in Sirmione in July?
July is the peak UV month in Sirmione, 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 Sirmione 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 6 (moderate), but the top 10% of days reach UV 8 (high) — and even higher. Months where the sunniest days routinely exceed the typical reading: March, May, June, August, October. Plan sun protection for the worst case, not the average.
Is air quality in Sirmione bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 11 months: January, February, March, April, May, June, August, September, October, November, December. The worst month is January with a typical-day mean of 42 µg/m³ (hazardous); on the worst 10% of days PM2.5 reaches 68 µg/m³ (hazardous) 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.