Rome is warmest in July, averaging 34° by day and 20° at night. The wettest month is November with 114 mm, and the year brings about 693 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 12° | 4° | 71 mm | 15° | 9.3 h | Mild |
| February | 15° | 4° | 48 mm | 14° | 10.3 h | Mild |
| March | 16° | 6° | 62 mm | 14° | 11.7 h | Mild |
| April | 19° | 9° | 45 mm | 16° | 13.1 h | Sightseeing |
| May | 24° | 12° | 43 mm | 19° | 14.4 h | Sightseeing |
| June | 30° | 17° | 33 mm | 23° | 15.0 h | Beach weather |
| July | 34° | 20° | 12 mm | 26° | 14.8 h | Beach weather |
| August | 34° | 21° | 28 mm | 26° | 13.7 h | Beach weather |
| September | 29° | 17° | 66 mm | 25° | 12.3 h | Beach weather |
| October | 24° | 13° | 62 mm | 22° | 10.8 h | Sightseeing |
| November | 18° | 9° | 114 mm | 19° | 9.6 h | Mild |
| December | 14° | 5° | 109 mm | 17° | 9.0 h | Mild |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: June, July, August and September — highs around 32°, nights no colder than 17°, and at most 66 mm of rain in a month. The sea sits at 23–26° then.
Walking the city: April, May and October — highs of 19–24° and no more than 62 mm of rain a month.