In
July,
Rome is at its hottest, with temperatures reaching a massive annual peak of 30.3°C (86.5°F). This month is characteristic of its notoriously hot and dry sensation, with a mere 19mm (0.75") rainfall spread over just 2.1 days. The summer heat peaks during the day but tends to retreat comfortably at night. Despite the high temperature, Rome’s architectural marvels and picturesque landscape remain an alluring spectacle. The weather trends continue into
August, barely losing any of its summer heat.
Temperature
A slight uplift of average high-temperatures is noted in July in Rome, with temperatures adjusting from a warm 26.9°C (80.4°F) in
June to a hot 30.3°C (86.5°F). Rome's nighttime temperatures in July reflect a stark contrast to the day's highs, falling to an average low of 18°C (64.4°F).
Rainfall
The month with the least rainfall is July, when the rain falls for 2.1 days and typically collects 19mm (0.75") of precipitation.
Daylight
The average length of the day in July is 14h and 53min.
On the first day of July in Rome, sunrise is at 05:38 and sunset at 20:49. On the last day of the month, sunrise is at 06:03 and sunset at 20:29 CEST.
Sunshine
July has the most sunshine of the year, with an average of 10.7h of sunshine.
UV index
The month with the highest UV index in Rome,
Italy, is July, with an average maximum UV index of 9. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 9 in July interprets into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Apply generously and frequently reapply a sunscreen with SPF 30 or more even on cloudy days, particularly after a swim or outdoor exercise.