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Rome weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Rome?
For a warm holiday, the best week has been 31 May – 6 June (Weather Index 96). Favourable start dates for a 7-day trip run from 23 May to 13 June. July and August are warmest (33°C), July is driest and June and July have the most sun.
- Warmest
- July and August 33°C
- Coolest
- January 13°C
- Driest
- July 10% rain-day chance
- Wettest
- November 42% rain-day chance
- Sunniest
- June and July 14 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Rome
Rome historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 12.9 | 4.7 | 31.6 | 9.8 | 68.5 | 6.9 |
| February | 15.0 | 5.8 | 30.7 | 8.6 | 68.6 | 8.2 |
| March | 16.8 | 7.4 | 35.2 | 10.9 | 78.7 | 9.5 |
| April | 20.1 | 9.8 | 31.0 | 9.3 | 56.1 | 11.3 |
| May | 23.8 | 13.9 | 36.8 | 11.4 | 80.3 | 12.3 |
| June | 29.9 | 18.7 | 16.3 | 4.9 | 28.5 | 13.6 |
| July | 33.0 | 21.5 | 10.3 | 3.2 | 16.5 | 13.9 |
| August | 32.9 | 21.6 | 17.4 | 5.4 | 29.6 | 12.8 |
| September | 27.8 | 17.8 | 29.7 | 8.9 | 97.0 | 10.8 |
| October | 23.1 | 13.7 | 32.3 | 10.0 | 98.7 | 9.0 |
| November | 17.6 | 9.6 | 42.3 | 12.7 | 124.9 | 7.2 |
| December | 14.1 | 5.9 | 33.2 | 10.3 | 97.8 | 6.7 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.