Your October weather guide
WarmWeather in Rome in October
October is a good time for Rome if you want comfortable daytime warmth rather than a hot-weather holiday, and can keep plans flexible around rain. Average highs of 21°C suit spending time outdoors, while nights around 13°C call for a jacket. The catch is about 11 rainy days: pack for wet weather rather than assuming clear skies. For a UK traveller, it offers milder days without the expectation of reliable sunshine.
Long-term climate averages for Rome, not a forecast · 1991-2020
Rome, month by month
Your snapshot
At a glance
The useful details for Rome.
- Average daytime high
- 21.0°C
- 9 in 10 days stay below 24°C
- Average night-time low
- 13.0°C
- coldest 10% of nights: 9°C or lower
- Compared with London
- +6.4°C
- London averages 14.6°C in October
- Sea temperature
- 21.5°C
- year to year: 21°C to 23°C
- Sunshine per day (est.)
- 5.5h
- 51% of 10.8 h of daylight
- Rainy days (1 mm+)
- 11
- 116 mm over the month
- Humidity
- 79%
- Days over 25°C
- 7%
- none over 30°C
- Record high 1991-2020
- 27.9°C
- 2011-10-04
- Record low 1991-2020
- 5.0°C
- 2007-10-23
- Flight from London
- ≈ 2 h 30 min
- 1411 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 October compares
October is the 6th warmest month of the year in Rome and ranks 99th of 134 destinations we compare for October - see where else is hot in October. Within Italy it is 5th of 16 (Italy in October). Against London's average high of 14.6°C in October, Rome is 6.4°C warmer by day and 4.6°C warmer at night.
Daytime and night-time in October
The typical October day in Rome peaks at 21.0°C, but that is an average: the warmest 10% of days reach 24.4°C or more. Roughly 1 in 15 days top 25°C. Nights average 13.0°C; one night in ten drops to 9.4°C or lower, so pack a layer for evenings - it is genuinely cool after dark. Between 1991 and 2020 the hottest October day here reached 27.9°C (2011-10-04) and the coldest night 5.0°C (2007-10-23).
Rain in October
Wet (more than 8 rainy days): about 11 days with 1 mm or more, 116 mm in total. Year to year it varies a lot - the wettest October was 1992 with 271 mm, the driest 1995 with 4 mm. Humidity averages 79%.
Sea temperature in October
The sea averages 21.5°C - bracing (18-22°c). Depending on the year it ranges from 20.8°C to 22.6°C. For the warmest sea here, come in August (25.7°C).
Sunshine and daylight
Around 5.5 hours of sunshine a day (estimated from cloud cover), 10.8 hours of daylight: the sun rises about 07:22 and sets about 18:29 local time in mid-October. Average cloud cover is 49%.
Is October a good time to visit Rome?
October is not the strongest month here: warm days and frequent rain. The best months for Rome on our scoring are July, August, June; months averaging 25°C or more: Jun, Jul, Aug, Sep.
Warm afternoons, cooler evenings
The daytime average makes October a sensible choice if you prefer walking around a city without strong heat. Some days reach 24.4°C or more, so light clothing can still be useful in a warm afternoon, but only 7% reach 25°C. Pack layers rather than treating this as a summer trip: a light top with a jumper or jacket gives you more flexibility from afternoon into evening. The average night low is comfortable with an extra layer, though the coldest nights fall to 9.4°C or below. If your priority is consistently hot weather, October is not the strongest fit; its appeal is gentler warmth.
Rain is the main compromise
Rain deserves a proper place in your packing and planning, not just a last-minute umbrella. October is wet, so bring a waterproof jacket and shoes you are comfortable wearing in the rain. Keep outdoor plans movable and leave room for time indoors when conditions turn. There is still about 5.5 hours of sunshine a day within 10.8 hours of daylight, so wet weather does not mean writing off the whole trip. Equally, those averages are not a promise of a sunny spell every afternoon. October suits travellers happy to adapt their day; it is less convincing if dry weather is essential to enjoying the holiday.
A little perspective
Rome through the year
October is highlighted. See how it compares with the rest of the year.
| Month | Day | Night | Sea | Sun/day | Rain mm | Rainy days | Days 25°C+ |
|---|---|---|---|---|---|---|---|
| January | 11.6°C | 3.7°C | 14.7°C | 4.5 | 63 | 9 | 0% |
| February | 12.3°C | 3.7°C | 13.9°C | 5.4 | 72 | 9 | 0% |
| March | 15.2°C | 5.9°C | 13.9°C | 5.8 | 75 | 10 | 0% |
| April | 18.0°C | 8.6°C | 15.2°C | 6.5 | 78 | 11 | 1% |
| May | 22.4°C | 12.5°C | 18.4°C | 8.0 | 58 | 9 | 23% |
| Junebest | 27.0°C | 16.6°C | 22.1°C | 10.2 | 33 | 5 | 71% |
| Julybest | 30.2°C | 19.4°C | 24.7°C | 12.0 | 22 | 4 | 95% |
| Augustbest | 30.6°C | 20.1°C | 25.7°C | 10.7 | 22 | 4 | 96% |
| September | 25.4°C | 16.5°C | 23.9°C | 7.5 | 81 | 9 | 56% |
| OctoberSelected | 21.0°C | 13.0°C | 21.5°C | 5.5 | 116 | 11 | 7% |
| November | 16.1°C | 9.0°C | 18.9°C | 4.3 | 130 | 12 | 0% |
| December | 12.4°C | 5.1°C | 16.3°C | 4.4 | 92 | 11 | 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
- Sea
Best months here
On warmth, low rainfall and sunshine, start with these.
Keep exploring
Similar in October
Closest matches on daytime temperature, sea temperature and sunshine, in other countries.
A little more detail
Rome in October FAQs
Plain answers, grounded in the averages.
Is Rome hot in October?
Rome is warm in October: the average daytime high is 21.0°C and nights average 13.0°C. Roughly 1 in 15 October days reach 25°C.
Can you swim in the sea in Rome in October?
The sea around Rome averages 21.5°C in October, which is bracing - fine for a quick dip, cool for long swims. Between 1991 and 2020 it ranged from 21°C to 23°C depending on the year.
How much does it rain in Rome in October?
Rome sees about 11 rainy days (1 mm or more) and 116 mm of rain in a typical October. The wettest October between 1991 and 2020 was 1992 (271 mm) and the driest was 1995 (4 mm).
How sunny is Rome in October?
Rome gets around 5.5 hours of sunshine a day in October out of 10.8 hours of daylight (estimated from average cloud cover).
How does Rome compare with the UK in October?
Rome is on average 6.4°C warmer than London by day in October (21.0°C against 14.6°C).
What is the hottest October on record in Rome?
Between 1991 and 2020 the hottest October day in Rome reached 27.9°C on 2011-10-04, and the coldest night dropped to 5.0°C on 2007-10-23.
How much warmer is Rome than London in October?
Rome's average daytime high is 21°C, compared with 14.6°C in London, a difference of 6.4°C. That is a useful step up for daytime comfort, but it does not remove the need for evening layers or rain protection.
Is the sea warm enough for swimming?
The sea averages 21.5°C, which is bracing rather than comfortably warm. The year-to-year range is 21°C to 23°C, so swimming may appeal if you tolerate cooler water, but warm-sea swimming should not be the main reason to choose October.
How long is the flight from London?
The flight from London takes about 2 h 30 min, making Rome a short-haul option for a milder-weather break. The weather trade-off is straightforward: warmer days than London, but enough rain to make flexible plans and waterproof clothing sensible.
About these averages
ERA5-Land climate reanalysis via Open-Meteo (11 km grid) and NOAA Coral Reef Watch 5 km sea temperatures, 1991-2020
Averages computed from daily values at Rome. Sea temperature from the nearest 5 km sea cell, 26.6 km from that point. 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