May weather forecast and climate
Catania, Italy

The Piazza Duomo in Catania, Italy
The Piazza Duomo in Catania, Italy

Weather in May

May, the last month of the spring, in Catania, is a moderately hot month, with average temperature ranging between max 23.8°C (74.8°F) and min 14.3°C (57.7°F).

Temperature

In Catania, the average high-temperature slightly increases, from an enjoyable 19.3°C (66.7°F) in April, to a moderately hot 23.8°C (74.8°F). The average low-temperature, in May, is 14.3°C (57.7°F).

Humidity

In Catania, the average relative humidity 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, during the entire year, the rain falls for 91.1 days and collects up to 275mm (10.83") of precipitation.

Snowfall

February through December are months without snowfall in Catania.

Sea temperature

In May, the average sea temperature is 18.9°C (66°F).
Note: 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).

Daylight

In May, the average length of the day in Catania is 14.2h.

Sunshine

The average sunshine in Catania is 11.7h.

UV index

In Catania, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in May in Catania?

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

How much does it rain in Catania in May?

In Catania, in May, it is raining for 6.2 days, with typically 11mm (0.43") of accumulated precipitation.

When it does not snow in Catania?

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

How cold is the water in May in Catania?

In Catania, in May, the average water temperature 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).

How many hours of daylight does Catania have in May?

The average length of the day in May in Catania, Italy, is 14.2h.

How many hours of sunshine does Catania have in May?

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

What is the UV index reading in May in Catania?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
Catania, Italy

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).

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Average pressure in May
Catania, Italy

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).

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Average wind speed in May
Catania, Italy

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).

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Average humidity in May
Catania, Italy

Average humidity in May - Catania, Italy
  • Average humidity in May: 62%

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

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Average rainfall in May
Catania, Italy

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).

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Average rainfall days in May
Catania, Italy

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).

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Average snowfall in May
Catania, Italy

Average snowfall in May - Catania, Italy
  • Average snowfall in May: 0mm

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

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Average snowfall days in May
Catania, Italy

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).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in May
Catania, Italy

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).

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

Average daylight in May / Average sunshine in May - Catania, Italy
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 11.7h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 6.6h).

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Average sunshine days in May
Catania, Italy

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).

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Average UV index in May
Catania, Italy

Average UV index in May - Catania, Italy
  • Average UV index in May: 6

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

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Average cloud cover in May
Catania, Italy

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).
Months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in May
Catania, Italy

Average visibility in May - Catania, Italy
  • Average visibility in May: 10km

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

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