Florence records about 870mm of rain across roughly 93 wet days a year, which is a 25% chance on an average day. November is the wettest month at 108mm (12% of the annual total) and July the driest at 26mm. Local rain type: brief showers. Florence summers are gloriously dry, but autumn brings heavy rain. The Arno can rise rapidly — pack waterproofs for October-November visits.
Chance of rain on an average day: 25%
Rainfall climatology for Florence. The live hour-by-hour answer for today loads at the top of this page from Open-Meteo and refreshes through the day — the figures below describe a typical year, not today.
Last updated: · Live forecast data refreshes hourly.
| Annual rainfall | 870mm |
| Rain days per year | 93 |
| Odds on an average day | 25% |
| Wettest month | November — 108mm over 12 days |
| Driest month | July — 26mm over 3 days |
| Rain type | brief showers |
| Best dry window | May through August offers the driest conditions, though summer heat peaks in July-August. |
| Worst rain window | November is by far the wettest month — the Arno has historically flooded in November, including the devastating 1966 flood. |
November delivers 315% more rain than July (108mm vs 26mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 12% of the annual total, so rain in Florence is spread through the year — there is no season you can rely on being dry.
Florence rain typically comes as discrete showers, so a compact umbrella and a flexible plan are usually enough.
Rain falls on about 12 days in November against 3 in July — the frequency swing matters more for planning than the millimetre totals.
Climate normals. Use them to judge whether today's live forecast at the top of the page is typical or unusual for the season.
| Month | Rainfall | Rain days | Chance on a given day | Highs |
|---|---|---|---|---|
| January | 73mm | 8 | 27% | 10°C |
| February | 69mm | 8 | 27% | 10°C |
| March | 80mm | 9 | 30% | 13°C |
| April | 78mm | 9 | 30% | 18°C |
| May | 73mm | 8 | 27% | 24°C |
| June | 55mm | 6 | 20% | 29°C |
| July | 26mm | 3 | 10% | 32°C |
| August | 38mm | 4 | 13% | 32°C |
| September | 77mm | 8 | 27% | 29°C |
| October | 96mm | 10 | 33% | 24°C |
| November | 108mm | 12 | 40% | 18°C |
| December | 80mm | 9 | 30% | 13°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Florence we combine the hourly probability curve, expected volume in millimetres, and the city's own rainfall record into a single umbrella verdict.
| Factor | Weight | What it measures |
|---|---|---|
| Hourly probability | 40% | Peak and sustained chance of measurable rain across the next 24 hours. |
| Expected volume | 30% | Total millimetres, which separates a passing shower from a genuine soaking. |
| Timing & duration | 20% | When rain starts, when it eases, and the longest continuous dry window. |
| Local rain type | 10% | Drizzle, brief showers, thunderstorms or monsoon — each needs different gear. |
Live hourly values come from Open-Meteo and refresh through the day. Monthly rainfall figures are climate normals, so they describe a typical year rather than a forecast.
Florence records rain on roughly 93 days a year — about a 25% chance on any given day — totalling around 870mm.
November, with about 108mm over 12 rain days. That is 12% of the entire year's rainfall in a single month.
July is the driest month at 26mm across roughly 3 days. May through August offers the driest conditions, though summer heat peaks in July-August.
Florence summers are gloriously dry, but autumn brings heavy rain. The Arno can rise rapidly — pack waterproofs for October-November visits.
No. Probability is the chance that at least 0.2mm of rain falls at your location at some point in the period. Check the expected millimetres alongside it: 40% with 0.4mm is a passing shower, 40% with 12mm is a soaking.