May weather forecastRiomaggiore, Italy

May

Weather in May

May, the last month of the spring in Riomaggiore, is a comfortable month, with temperature in the range of an average high of 19°C (66.2°F) and an average low of 12°C (53.6°F).

Temperature

The average high-temperature mildly increases in May, edging from a mild 15°C (59°F) in April to a still refreshing 19°C (66.2°F). Riomaggiore observes an average low-temperature of 12°C (53.6°F) during May nights.

Rainfall

In Riomaggiore, during May, the rain falls for 12 days and regularly aggregates up to 63mm (2.48") of precipitation. Throughout the year, in Riomaggiore, there are 131 rainfall days, and 932mm (36.69") of precipitation is accumulated.

Sea temperature

In Riomaggiore, in May, the average water temperature is 18.6°C (65.5°F).
Note: Most people do not find swimming enjoyable in water of 18.6°C (65.5°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in May is 14h and 46min.
On the first day of the month, sunrise is at 06:11 and sunset at 20:24. On the last day of May, in Riomaggiore, sunrise is at 05:40 and sunset at 20:56 CEST.

Sunshine

In Riomaggiore, the average sunshine in May is 7h.

UV index

In May, the average daily maximum UV index in Riomaggiore is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 7 during May translates into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

In May, in Riomaggiore, the average high-temperature is 19°C (66.2°F), and the average low-temperature is 12°C (53.6°F).

In Riomaggiore, during May, the rain falls for 12 days and regularly aggregates up to 63mm (2.48") of precipitation.

In May, the average sea temperature in Riomaggiore is 18.6°C (65.5°F). For swimming, a surface water temperature of 18.6°C (65.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In Riomaggiore, Italy, the average day length in May is 14h and 46min.

On the first day of May in Riomaggiore, sunrise is at 06:11 and sunset at 20:24. On the last day of the month, sunrise is at 05:40 and sunset at 20:56 CEST.

In Riomaggiore, the average sunshine duration in May is 7h.

In Riomaggiore, Italy, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average UV index

Average temperature in May
Riomaggiore, Italy

  • Average high temperature in May: 19°C

The warmest months (with the highest average high temperature) are July and August (26°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in May: 12°C

The months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (3°C).

Average rainfall in May
Riomaggiore, Italy

  • Average rainfall in May: 63mm

The wettest months (with the highest rainfall) are October and November (120mm).
The driest month (with the least rainfall) is July (25mm).

Average rainfall days in May
Riomaggiore, Italy

  • Average rainfall days in May: 12 days

The months with the highest number of rainy days are March, April and November (13 days).
The month with the least rainy days is July (6 days).

Average sea temperature in May
Riomaggiore, Italy

  • Average sea temperature in May: 18.6°C

The best month for swimming (with the highest average sea temperature) is August (24.4°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).

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

  • Average daylight in May: 14h and 48min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 7h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is December (Average sunshine: 3h).

Average UV index in May
Riomaggiore, 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).