May weather forecastFlorence, Italy

A golden appearance of the city of Florence, Italy, at sunsetA golden appearance of the city of Florence, Italy, at sunset

May

Weather in May

May showcases more predictable and warm weather; a harbinger of the approaching summer season. The temperature keeps increasing steadily, making it a delightful time to be outdoors and explore the city’s wonders. Mindful of the month's peak temperature of 23.7°C (74.7°F), it's advisable to carry light summer clothing. May's reliable weather and longer, sun-drenched days make it ideal for open-air activities and exploring Italy’s picturesque countryside. With the arrival of May, the city begins to buzz with energy as tourists from around the globe start pouring in.

Temperature

The average high-temperature increases in May, moving from a refreshing 18.5°C (65.3°F) in April to a moderately hot 23.7°C (74.7°F). Florence logs a considerable temperature decrease from the daytime highs during the nights in May, with an average reading of 11.6°C (52.9°F).

Rainfall

In May, the rain falls for 8.4 days. Throughout May, 70mm (2.76") of precipitation is accumulated. Throughout the year, there are 88.2 rainfall days, and 873mm (34.37") of precipitation is accumulated.

Daylight

The average length of the day in May is 14h and 44min.
On the first day of May, sunrise is at 06:06 and sunset at 20:17. On the last day of the month, sunrise is at 05:36 and sunset at 20:49 CEST.

Sunshine

In May, the average sunshine in Florence is 8h.

UV index

The average daily maximum UV index in May in Florence is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 7 in May translates into these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

May temperatures in Florence vary between a high-temperature of 23.7°C (74.7°F) and a low-temperature of 11.6°C (52.9°F).

In May, in Florence, the rain falls for 8.4 days. Throughout May, 70mm (2.76") of precipitation is accumulated.

The average day length in May is 14h and 44min.

In May, on the first day of the month, sunrise is at 06:06 and sunset at 20:17. On the last day of the month, in Florence, Italy, sunrise is at 05:36 and sunset at 20:49 CEST.

In May, the average sunshine duration in Florence, Italy, is 8h.

In May, the average daily maximum UV index in Florence is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sunshine
Average UV index

Average temperature in May
Florence, Italy

  • Average high temperature in May: 23.7°C

The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (10.9°C).

  • Average low temperature in May: 11.6°C

The months with the highest average low temperature are July and August (17.7°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average rainfall in May
Florence, Italy

  • Average rainfall in May: 70mm

The wettest month (with the highest rainfall) is November (113.6mm).
The driest month (with the least rainfall) is July (36.7mm).

Average rainfall days in May
Florence, Italy

  • Average rainfall days in May: 8.4 days

The month with the highest number of rainy days is April (9.7 days).
The month with the least rainy days is July (3.5 days).

Average daylight in May /
Average sunshine in May
Florence, Italy

  • Average daylight in May: 14h and 42min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h

The month with the most sunshine is July (Average sunshine: 10h).
The months with the least sunshine are January, November and December (Average sunshine: 3h).

Average UV index in May
Florence, Italy

  • Average UV index in May: 7

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).