May weather forecast
Arosio, Switzerland

May

Weather in May

May, the last month of the spring in Arosio, is an enjoyable month, with an average temperature varying between 18.2°C (64.8°F) and 7.2°C (45°F).

Temperature

May brings a slight rise in Arosio's average high-temperature, moving from a moderate 14.7°C (58.5°F) in April to a comfortable 18.2°C (64.8°F). During the nights in May, Arosio experiences a consistent average temperature of 7.2°C (45°F).

Humidity

The average relative humidity in May in Arosio is 74%.

Rainfall

In May, in Arosio, Switzerland, the rain falls for 11.8 days. Throughout May, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 102.6 rainfall days, and 414mm (16.3") of precipitation is accumulated.

Snowfall

In Arosio, snow does not fall in April through October.

Daylight

In May, the average length of the day is 14h and 58min.
On the first day of the month, sunrise is at 06:10 and sunset at 20:32. On the last day of May, in Arosio, sunrise is at 05:37 and sunset at 21:07 CEST.

Sunshine

In May, the average sunshine is 9.9h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 4 during May leads to these advisories:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What is the usual temperature for Arosio in May?
In Arosio, 18.2°C (64.8°F) is the average high-temperature and 7.2°C (45°F) is the average low-temperature during May.
What is the average humidity in May in Arosio?
The average relative humidity in May in Arosio, Switzerland, is 74%.
How many days does it rain in May in Arosio?
In Arosio, Switzerland, during May, the rain falls for 11.8 days and regularly aggregates up to 42mm (1.65") of precipitation.
When it does not snow in Arosio?
April through October are months without snowfall in Arosio, Switzerland.
How many hours of daylight does Arosio have in May?
In May, the average day length in Arosio, Switzerland, is 14h and 58min.
What time are sunrise and sunset in May in Arosio?
On the first day of May in Arosio, Switzerland, sunrise is at 06:10 and sunset at 20:32. On the last day of the month, sunrise is at 05:37 and sunset at 21:07 CEST.
How long on average sun shines in May in Arosio?
In May, the average sunshine duration in Arosio is 9.9h.
What is the UV index reading in May in Arosio?
In May, the average daily maximum UV index in Arosio is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Arosio, Switzerland
  • Average high temperature in May: 18.2°C

The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (4.5°C).

  • Average low temperature in May: 7.2°C

The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).

Average pressure in May
Arosio, Switzerland
  • Average pressure in May: 1015.1mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in May
Arosio, Switzerland
  • Average wind speed in May: 7.5km/h

The windiest month (with the highest average wind speed) is July (7.7km/h).
The calmest month (with the lowest average wind speed) is November (6.1km/h).

Average humidity in May
Arosio, Switzerland
  • Average humidity in May: 74%

The month with the highest relative humidity is November (80%).
The months with the lowest relative humidity are January and July (72%).

Average rainfall in May
Arosio, Switzerland
  • Average rainfall in May: 42mm

The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is January (7mm).

Average rainfall days in May
Arosio, Switzerland
  • Average rainfall days in May: 11.8 days

The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is December (4.1 days).

Average snowfall in May
Arosio, Switzerland
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in May
Arosio, Switzerland
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Arosio, Switzerland
  • Average daylight in May: 15h and 0min

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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).

Average sunshine days in May
Arosio, Switzerland
  • Average sunshine days in May: 17.3 days

The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (16.9 days).

Average UV index in May
Arosio, Switzerland
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Arosio, Switzerland
  • Average cloud cover in May: 37

The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in May
Arosio, Switzerland
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (9km).
The month with the lowest visibility is October (8km).

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