Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
May's arrival signals a modest temperature shift, moving from a mild 15.1°C (59.2°F) in April to a still refreshing 18.8°C (65.8°F). In Chiasso, the expected average low-temperature for May is a frosty 8.4°C (47.1°F).Humidity
In Chiasso, the average relative humidity in May is 73%.Rainfall
In May, the rain falls for 21.1 days. Throughout May, 138mm (5.43") of precipitation is accumulated. Throughout the year, there are 172.9 rainfall days, and 1265mm (49.8") of precipitation is accumulated.Snowfall
Months with snowfall in Chiasso are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Chiasso aggregates 1mm (0.04") of snow. In Chiasso, during the entire year, snow falls for 44 days and aggregates up to 1306mm (51.42") of snow.Daylight
The average length of the day in May is 14h and 57min.On the first day of the month, sunrise is at 06:10 and sunset at 20:31. On the last day of May, sunrise is at 05:37 and sunset at 21:05 CEST.
Sunshine
The average sunshine in May in Chiasso is 10h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Chiasso?
What is the average humidity in May in Chiasso?
How much does it rain in Chiasso in May?
What is the last month it snows in Chiasso?
What is the average length of the day in May in Chiasso?
When are sunrise and sunset in May in Chiasso?
How long on average sun shines in May in Chiasso?
What is the UV index reading in May in Chiasso?
Average temperature in May
Chiasso, Switzerland
- Average high temperature in May: 18.8°C
The warmest month (with the highest average high temperature) is July (25.6°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in May: 8.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in May
Chiasso, Switzerland
- Average pressure in May: 1015mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in May
Chiasso, Switzerland
- Average wind speed in May: 6.8km/h
The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is November (5.6km/h).
Average humidity in May
Chiasso, Switzerland
- Average humidity in May: 73%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Chiasso, Switzerland
- Average rainfall in May: 138mm
The wettest month (with the highest rainfall) is November (181mm).
The driest month (with the least rainfall) is January (36mm).
Average rainfall days in May
Chiasso, Switzerland
- Average rainfall days in May: 21.1 days
The month with the highest number of rainy days is June (21.6 days).
The month with the least rainy days is January (5 days).
Average snowfall in May
Chiasso, Switzerland
- Average snowfall in May: 1mm
The month with the highest snowfall is February (402mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Chiasso, Switzerland
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Chiasso, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in May
Chiasso, Switzerland
- Average sunshine days in May: 6.4 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (4.4 days).
Average UV index in May
Chiasso, Switzerland
- Average UV index in May: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Chiasso, Switzerland
- Average cloud cover in May: 35
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in May
Chiasso, Switzerland
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
