May weather forecastCatania, Italy

The Piazza Duomo in Catania, Italy

May

Weather in May

The month of May witnesses a significant warm-up in Catania. Temperatures can rise up to an average high of 23.8°C (74.8°F) during the day, providing perfect weather for outdoor activities. Rainfall shrinks to just 11mm (0.43") over 6 days, ushering in a period of dry weather. The sea temperature also starts to warm up, making it ideal for swimming. A high UV index of 6 dictates the need for sun protection.

Temperature

With the transition into May, Catania experiences a subtle uplift in average high-temperatures, adjusting from a comfortable 19.3°C (66.7°F) in April to a moderately hot 23.8°C (74.8°F). Catania's nights in May cool down to an average low-temperature of 14.3°C (57.7°F).

Humidity

In May, the average relative humidity in Catania is 62%.

Rainfall

In Catania, Italy, during May, the rain falls for 6.2 days and regularly aggregates up to 11mm (0.43") of precipitation. In Catania, Italy, during the entire year, the rain falls for 91.1 days and collects up to 275mm (10.83") of precipitation.

Snowfall

In Catania, Italy, snow does not fall in February through December.

Sea temperature

In Catania, the average seawater temperature in May is 18.9°C (66°F).
Note: The enjoyment of swimming decreases for most when the surface water temperature is 18.9°C (66°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).

Daylight

The average length of the day in May is 14h and 12min.
On the first day of May in Catania, sunrise is at 06:03 and sunset at 19:49. On the last day of the month, sunrise is at 05:40 and sunset at 20:14 CEST.

Sunshine

In May, the average sunshine is 11.7h.

UV index

In Catania, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Catania during May are 23.8°C (74.8°F) and 14.3°C (57.7°F) respectively.

The average relative humidity in May is 62%.

In Catania, Italy, in May, during 6.2 rainfall days, 11mm (0.43") of precipitation is typically accumulated.

In Catania, Italy, snow does not fall in February through December.

In Catania, the average seawater temperature in May is 18.9°C (66°F). Swimming in 18.9°C (66°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

In Catania, the average day length in May is 14h and 12min.

In May, on the first day of the month, sunrise is at 06:03 and sunset at 19:49. On the last day of the month, sunrise is at 05:40 and sunset at 20:14 CEST.

In Catania, Italy, the average sunshine duration in May is 11.7h.

In May, the average daily maximum UV index in Catania is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

19.3°C

23.8°C

28.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.7km/h

11.4km/h

10.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

17.6

21.9

23.4

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Catania, Italy

Average high temperature in May: 23.8°C

The warmest month (with the highest average high temperature) is July (32.2°C).
The month with the lowest average high temperature is January (14°C).

Average low temperature in May: 14.3°C

The month with the highest average low temperature is August (23.5°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).

Average pressure in May
Catania, Italy

Average pressure in May: 1014.7mbar

The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).

Average wind speed in May
Catania, Italy

Average wind speed in May: 10.1km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).

Average humidity in May
Catania, Italy

Average humidity in May: 62%

The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is July (50%).

Average rainfall in May
Catania, Italy

Average rainfall in May: 11mm

The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is August (5mm).

Average rainfall days in May
Catania, Italy

Average rainfall days in May: 6.2 days

The month with the highest number of rainy days is October (12.1 days).
The month with the least rainy days is July (3.5 days).

Average snowfall in May
Catania, Italy

Average snowfall in May: 0mm

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Catania, Italy

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in May
Catania, Italy

Average sea temperature in May: 18.9°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.6°C).

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

Average daylight in May: 14h and 12min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

Average sunshine in May: 11h and 42min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

Average sunshine days in May
Catania, Italy

Average sunshine days in May: 21.9 days

The month with the most sunshine days is July (26.9 days).
The month with the least sunshine days is October (15.6 days).

Average UV index in May
Catania, Italy

Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February and December (UV index 3).

Average cloud cover in May
Catania, Italy

Average cloud cover in May: 16

The month with the most cloud cover is January (Cloud cover 27).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in May
Catania, Italy

Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).