Your August weather guide
HotWeather in Florence in August
August suits a Florence trip if you enjoy hot weather and are happy to slow down around midday. Daytime highs average 30°C, nights fall to around 19°C, and there are about 5 rainy days across the month. It is the city's warmest month, so this is not the easiest time for a packed walking itinerary. Go for summer warmth and largely outdoor days, but make shade, indoor breaks and comfortable sleeping conditions part of your plans.
Long-term climate averages for Florence, not a forecast · 1991-2020
Florence, month by month
Your snapshot
At a glance
The useful details for Florence.
- Average daytime high
- 29.9°C
- 9 in 10 days stay below 34°C
- Average night-time low
- 18.7°C
- coldest 10% of nights: 15°C or lower
- Compared with London
- +8.5°C
- London averages 21.4°C in August
- Sunshine per day (est.)
- 9.6h
- 70% of 13.8 h of daylight
- Rainy days (1 mm+)
- 5
- 33 mm over the month
- Humidity
- 64%
- Days over 25°C
- 92%
- 50% over 30°C
- Record high 1991-2020
- 38.9°C
- 2017-08-01
- Record low 1991-2020
- 10.1°C
- 1995-08-31
- Flight from London
- ≈ 2 h 12 min
- 1185 km, short-haul (estimate for a direct flight)
Records are observed extremes within 1991-2020, not typical holiday conditions. Warm-day percentages are shares of days, not day counts.
How August compares
August is the 1st warmest month of the year in Florence and ranks 42nd of 134 destinations we compare for August - see where else is hot in August. Within Italy it is 4th of 16 (Italy in August). Against London's average high of 21.4°C in August, Florence is 8.5°C warmer by day and 5.2°C warmer at night.
Daytime and night-time in August
The typical August day in Florence peaks at 29.9°C, but that is an average: the warmest 10% of days reach 34.3°C or more. About 92% of days top 25°C and 1 in 2 pass 30°C. Nights average 18.7°C; one night in ten drops to 15.4°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest August day here reached 38.9°C (2017-08-01) and the coldest night 10.1°C (1995-08-31).
Rain in August
Some rain (4-8 rainy days): about 5 days with 1 mm or more, 33 mm in total. Year to year it varies a lot - the wettest August was 2020 with 123 mm, the driest 2009 with 3 mm. Humidity averages 64%.
Sunshine and daylight
Around 9.6 hours of sunshine a day (estimated from cloud cover), 13.8 hours of daylight: the sun rises about 06:19 and sets about 20:20 local time in mid-August. Average cloud cover is 30%.
Is August a good time to visit Florence?
Yes - it is one of the better months: hot days, manageable rain and long sunny days. The best months for Florence on our scoring are July, August, June; months averaging 25°C or more: Jun, Jul, Aug.
Expect heat that shapes your day
The main catch in August is sustained heat rather than the occasional warm afternoon. Temperatures reach 30°C on 50% of days, while the hottest days can reach 34.3°C or more. That makes long stretches of walking less appealing around midday, especially if you prefer mild conditions. Put your more active plans earlier in the day, leave room for a shaded lunch and take indoor breaks rather than trying to keep moving throughout the afternoon. Lightweight, breathable clothes, sun protection and water are sensible essentials. If heat tends to spoil your sleep, prioritise accommodation with air conditioning rather than assuming the night will feel cool.
Plenty of sunshine, with some room for rain
Around 9.6 hours of sunshine a day gives you plenty of scope for outdoor plans, but it also means prolonged exposure to the sun is part of the deal. Use the longer daylight to spread activities out instead of concentrating everything in the hottest part of the day. Rain is possible, with about 5 rainy days during August, so keep an indoor alternative in mind and pack a light waterproof. The monthly pattern favours time outside, not a completely rain-free trip. August is a good fit if you can stay flexible about both heat and showers; it is less suitable if you want comfortable walking weather throughout the day.
A little perspective
Florence through the year
August is highlighted. See how it compares with the rest of the year.
| Month | Day | Night | Sun/day | Rain mm | Rainy days | Days 25°C+ |
|---|---|---|---|---|---|---|
| January | 9.4°C | 1.8°C | 3.4 | 67 | 10 | 0% |
| February | 10.6°C | 1.8°C | 4.5 | 76 | 10 | 0% |
| March | 14.3°C | 4.4°C | 5.3 | 72 | 10 | 0% |
| April | 17.7°C | 7.3°C | 5.8 | 82 | 12 | 1% |
| May | 21.9°C | 11.4°C | 6.9 | 74 | 10 | 19% |
| Junebest | 26.4°C | 15.6°C | 8.9 | 48 | 7 | 64% |
| Julybest | 29.7°C | 18.3°C | 10.8 | 29 | 4 | 92% |
| AugustSelectedbest | 29.9°C | 18.7°C | 9.6 | 33 | 5 | 92% |
| September | 24.7°C | 14.6°C | 6.9 | 85 | 9 | 46% |
| October | 19.4°C | 11.0°C | 4.6 | 113 | 12 | 4% |
| November | 14.0°C | 6.8°C | 3.3 | 128 | 13 | 0% |
| December | 10.1°C | 2.9°C | 3.4 | 97 | 12 | 0% |
Day = average daytime high, night = average night-time low, 1991-2020.Sun is hours per day; rainy days count 1 mm or more.
Day, night and sea
Monthly average temperatures, 1991-2020
- Day
- Night
Best months here
On warmth, low rainfall and sunshine, start with these.
Keep exploring
Similar in August
Closest matches on daytime temperature, sea temperature and sunshine, in other countries.
A little more detail
Florence in August FAQs
Plain answers, grounded in the averages.
Is Florence hot in August?
Florence is hot in August: the average daytime high is 29.9°C and nights average 18.7°C. About 92% of August days reach 25°C or more.
How much does it rain in Florence in August?
Florence sees about 5 rainy days (1 mm or more) and 33 mm of rain in a typical August. The wettest August between 1991 and 2020 was 2020 (123 mm) and the driest was 2009 (3 mm).
How sunny is Florence in August?
Florence gets around 9.6 hours of sunshine a day in August out of 13.8 hours of daylight (estimated from average cloud cover).
How does Florence compare with the UK in August?
Florence is on average 8.5°C warmer than London by day in August (29.9°C against 21.4°C).
What is the hottest August on record in Florence?
Between 1991 and 2020 the hottest August day in Florence reached 38.9°C on 2017-08-01, and the coldest night dropped to 10.1°C on 1995-08-31.
How much hotter is Florence than London in August?
Florence's average daytime high is 29.9°C, compared with 21.4°C in London, a difference of 8.5°C. Expect a noticeable step up in heat rather than familiar UK summer conditions, and plan more shade and rest breaks when walking.
Will I need a jacket in the evenings?
Nights average a low of 18.7°C, so heavy layers are unlikely to be useful for typical conditions. A light layer is still sensible for late evenings or early starts: the coldest nights can fall to 15.4°C or lower.
About these averages
ERA5-Land climate reanalysis via Open-Meteo (11 km grid), 1991-2020
Averages computed from daily values at Florence. Sunshine hours are estimated from average cloud cover.Records are the highest and lowest daily values in that 30-year period, not all-time records. These are climate averages, not a forecast for your trip. How we measure holiday weather
- Hot · 25°C+
- Warm · 20°C to below 25°C
- Mild · 15°C to below 20°C
- Cool · below 15°C