May weather forecastRoisan, Italy

May

Weather in May

The last month of the spring, May, is a chilly month in Roisan, Italy, with an average temperature fluctuating between -0.2°C (31.6°F) and 8.2°C (46.8°F).

Temperature

With the onset of May, Roisan observes a minor temperature ascent, with the average high-temperature adjusting from April's cold 4.2°C (39.6°F) to a chilly 8.2°C (46.8°F). Throughout May, Roisan registers a consistent average low-temperature of -0.2°C (31.6°F).

Humidity

In May, the average relative humidity in Roisan, Italy, is 85%.

Rainfall

The month with the most rainfall is May, when the rain falls for 27 days and typically aggregates up to 181mm (7.13") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Roisan aggregates 4mm (0.16") of snow. In Roisan, during the entire year, snow falls for 42.8 days and aggregates up to 692mm (27.24") of snow.

Daylight

The average length of the day in May in Roisan is 14h and 56min.
On the first day of the month, sunrise is at 06:17 and sunset at 20:38. On the last day of May, in Roisan, sunrise is at 05:44 and sunset at 21:12 CEST.

Sunshine

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

UV index

In May, the average daily maximum UV index in Roisan is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 3 during May leads to these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

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

Frequently asked questions

The high-temperature, in May, in Roisan, records 8.2°C (46.8°F), while the low-temperature is -0.2°C (31.6°F).

In May, the average relative humidity in Roisan, Italy, is 85%.

The month with the most rainfall in Roisan is May, when the rain falls for 27 days and typically aggregates up to 181mm (7.13") of precipitation.

In Roisan, Italy, in May, it is raining for 27 days, with typically 181mm (7.13") of accumulated precipitation.

May is the last month it regularly snows in Roisan, Italy. During 0.4 snowfall days, in May, Roisan aggregates 4mm (0.16") of snow.

The average day length in May in Roisan, Italy, is 14h and 56min.

On the first day of May in Roisan, sunrise is at 06:17 and sunset at 20:38. On the last day of the month, sunrise is at 05:44 and sunset at 21:12 CEST.

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

In May, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

4.2°C

8.2°C

13.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.4km/h

7.5km/h

7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

3.8

2.7

3.2

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Roisan, Italy

Average high temperature in May: 8.2°C

The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.7°C).

Average low temperature in May: -0.2°C

The months with the highest average low temperature are July and August (6.5°C).
The coldest months (with the lowest average low temperature) are January and February (-10.8°C).

Average pressure in May
Roisan, Italy

Average pressure in May: 1015.3mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).

Average wind speed in May
Roisan, Italy

Average wind speed in May: 7km/h

The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

Average humidity in May
Roisan, Italy

Average humidity in May: 85%

The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in May
Roisan, Italy

Average rainfall in May: 181mm

The wettest month (with the highest rainfall) is May (181mm).
The driest month (with the least rainfall) is September (77mm).

Average rainfall days in May
Roisan, Italy

Average rainfall days in May: 27 days

The month with the highest number of rainy days is May (27 days).
The month with the least rainy days is December (14.9 days).

Average snowfall in May
Roisan, Italy

Average snowfall in May: 4mm

The month with the highest snowfall is February (175mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Roisan, Italy

Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May: 14h and 54min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

Average sunshine in May: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).