Climate averages 1991–2020
Rome weather
in July.
A hot, fairly dry month: the 2nd warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Rome: daytime highs average 30.0°C and nights cool to about 19.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 23 mm of rain on roughly 4 days, which makes July a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 54 min on an average July day.
The nearest other city in this atlas is Acilia-Castel Fusano-Ostia Antica (21 km away). In July its highs average 27.7°C, 2.3°C cooler than Rome, with 15 mm of rain.
Among the 79 cities listed in Italy, Rome ranks joint 22nd of 79 for the warmest July highs and joint 29th of 79 for the driest July (rainfall, lowest first). The mean July high of those 79 cities is 28.9°C; Rome is 1.1°C warmer than that mean.
From July to August, average highs rise by 0.4°C to 30.4°C, and monthly rainfall falls from 23 mm to 22 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rome climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.5°C3.7°C | 3.7°C | 63 | 8.6 | 9.510 h |
| February | 12.3°C3.7°C | 3.7°C | 72 | 9.2 | 10.611 h |
| March | 15.0°C5.8°C | 5.8°C | 74 | 9.1 | 11.912 h |
| April | 17.9°C8.5°C | 8.5°C | 77 | 10.5 | 13.313 h |
| May | 22.3°C12.5°C | 12.5°C | 58 | 8.4 | 14.515 h |
| June | 26.8°C16.5°C | 16.5°C | 34 | 5.5 | 15.215 h |
| July, selected | 30.0°C19.4°C | 19.4°C | 23 | 4.0 | 14.915 h |
| August | 30.4°C20.0°C | 20.0°C | 22 | 4.2 | 13.914 h |
| September | 25.3°C16.6°C | 16.6°C | 84 | 8.8 | 12.513 h |
| October | 20.9°C13.0°C | 13.0°C | 116 | 10.4 | 11.111 h |
| November | 16.1°C9.0°C | 9.0°C | 128 | 12.2 | 9.910 h |
| December | 12.3°C5.1°C | 5.1°C | 94 | 10.6 | 9.29 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Acilia-Castel Fusano-Ostia Antica in JulyItaly · 21 kmHigh 27.7°C · Low 21.2°C · 15 mm rain
- Guidonia Montecelio in JulyItaly · 21 kmHigh 31.1°C · Low 18.4°C · 28 mm rain
- Fiumicino in JulyItaly · 26 kmHigh 27.4°C · Low 21.4°C · 15 mm rain
- Aprilia in JulyItaly · 35 kmHigh 28.3°C · Low 20.2°C · 19 mm rain
- Latina in JulyItaly · 58 kmHigh 29.1°C · Low 20.0°C · 23 mm rain
- Terni in JulyItaly · 75 kmHigh 31.4°C · Low 18.5°C · 30 mm rain
- Perugia in JulyItaly · 136 kmHigh 28.2°C · Low 16.3°C · 31 mm rain
- Pescara in JulyItaly · 153 kmHigh 28.4°C · Low 19.9°C · 36 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rome) is explained once on the Rome year overview and on the Sources, method and limits page.