May weather forecastPositano, Italy

May

Weather in May

May sets the stage for the summer season in Positano, with temperatures marching towards a toasty 19.9°C (67.8°F). It features an increase in daylight hours to 14.4 and abundant sunshine peaking at 11.1 hours a day. The frequency of rainfall begins to dwindle, setting the city into a drier pattern more suitable for outdoor activities and uninterrupted sightseeing. However, tourists are cautioned to pack their sunscreen as the UV index takes a jump to 5, indicating the need for sun protection. Meanwhile, the sea becomes gradually hospitable, with temperatures reaching a more agreeable 19°C (66.2°F), signaling a warmer season on the horizon.

Temperature

Upon the onset of May, Positano witnesses an average high-temperature of a still refreshing 19.9°C (67.8°F), showing a close resemblance to the prior month. Consistently, Positano reports average nighttime temperatures of 16.5°C (61.7°F) during May, a marginal step down from its daytime highs.

Humidity

March through May and November, with an average relative humidity of 71%, are the most humid months.

Rainfall

In Positano, Italy, in May, during 13.2 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Positano, Italy, during the entire year, the rain falls for 147.3 days and collects up to 721mm (28.39") of precipitation.

Snowfall

January, March through November are months without snowfall in Positano.

Sea temperature

In Positano, Italy, the average seawater temperature in May is 19°C (66.2°F).
Note: In water of 19°C (66.2°F), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

In May, the average length of the day in Positano is 14h and 27min.
On the first day of May in Positano, sunrise is at 06:00 and sunset at 19:58. On the last day of the month, sunrise is at 05:33 and sunset at 20:26 CEST.

Sunshine

The average sunshine in May in Positano is 11.1h.

UV index

In May, the average daily maximum UV index in Positano is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Act with care - The need to guard against sun damage is communicated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Updated: Jan 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in May, in Positano, is 19.9°C (67.8°F), while the average low-temperature is 16.5°C (61.7°F).

March through May and November, with an average relative humidity of 71%, are most humid months in Positano, Italy.

In Positano, the average relative humidity in May is 71%.

In Positano, Italy, in May, it is raining for 13.2 days, with typically 51mm (2.01") of accumulated precipitation.

In Positano, snow does not fall in January, March through November.

In Positano, in May, the average water temperature is 19°C (66.2°F). For swimming, a surface water temperature of 19°C (66.2°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).

The average day length in May in Positano is 14h and 27min.

In May, on the first day of the month, sunrise is at 06:00 and sunset at 19:58. On the last day of the month, sunrise is at 05:33 and sunset at 20:26 CEST.

The average sunshine duration in May in Positano, Italy, is 11.1h.

In Positano, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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

17.1°C

19.9°C

24.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14km/h

13.1km/h

11.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

13.3

13.2

8.3

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

14.8

15.5

19.3

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Positano, Italy

Average high temperature in May: 19.9°C

The warmest month (with the highest average high temperature) is August (28.1°C).
The months with the lowest average high temperature are January and February (12.8°C).

Average low temperature in May: 16.5°C

The month with the highest average low temperature is August (24.3°C).
The coldest months (with the lowest average low temperature) are January and February (9.9°C).

Average pressure in May
Positano, Italy

Average pressure in May: 1014.2mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).

Average wind speed in May
Positano, Italy

Average wind speed in May: 12km/h

The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in May
Positano, Italy

Average humidity in May: 71%

The months with the highest relative humidity are March, April, May and November (71%).
The month with the lowest relative humidity is September (65%).

Average rainfall in May
Positano, Italy

Average rainfall in May: 51mm

The wettest month (with the highest rainfall) is November (145mm).
The driest month (with the least rainfall) is August (10mm).

Average rainfall days in May
Positano, Italy

Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is November (16.3 days).
The month with the least rainy days is August (4.7 days).

Average snowfall days in May
Positano, Italy

Average snowfall days in May: 0 days

The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in May
Positano, Italy

Average sea temperature in May: 19°C

The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).

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

Average daylight in May: 14h and 30min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in May: 11h and 6min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in May
Positano, Italy

Average sunshine days in May: 15.5 days

The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is February (11.1 days).

Average UV index in May
Positano, Italy

Average UV index in May: 5

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in May
Positano, Italy

Average cloud cover in May: 25

The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in May
Positano, 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).