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
The transition from April to May brings a subtle temperature rise, with average high-temperatures increasing from a cold 2.4°C (36.3°F) to a chilly 6.6°C (43.9°F). In Chiavenna, in May, the average low-temperature is a subzero cold -1.9°C (28.6°F).Humidity
In Chiavenna, the average relative humidity in May is 91%.Rainfall
In May, the rain falls for 17.8 days. Throughout May, 68mm (2.68") of precipitation is accumulated. In Chiavenna, during the entire year, the rain falls for 139.9 days and collects up to 641mm (25.24") of precipitation.Snowfall
January through June, September through December are months with snowfall in Chiavenna. In Chiavenna, in May, snow falls for 5.3 days, with typically accumulated 89mm (3.5") of snow. In Chiavenna, during the entire year, snow falls for 97.2 days and aggregates up to 1956mm (77.01") of snow.Daylight
In Chiavenna, Italy, the average length of the day in May is 15h and 0min.On the first day of May in Chiavenna, sunrise is at 06:07 and sunset at 20:31. On the last day of the month, sunrise is at 05:34 and sunset at 21:06 CEST.
Sunshine
In May, the average sunshine in Chiavenna is 6.9h.UV index
In May, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in May translates into these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is May in Chiavenna?
What is the average humidity in May in Chiavenna?
How many days does it rain in May in Chiavenna?
How much does it snow in Chiavenna in May?
What is the average length of the day in May in Chiavenna?
What time are sunrise and sunset in May in Chiavenna?
How long on average sun shines in May in Chiavenna?
What is the UV index reading in May in Chiavenna?
Average temperature in May
Chiavenna, Italy
- Average high temperature in May: 6.6°C
The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (-4.4°C).
- Average low temperature in May: -1.9°C
The month with the highest average low temperature is August (5°C).
The coldest month (with the lowest average low temperature) is January (-13.9°C).
Average pressure in May
Chiavenna, Italy
- Average pressure in May: 1015.4mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
Chiavenna, Italy
- Average wind speed in May: 9km/h
The windiest months (with the highest average wind speed) are February and December (9.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in May
Chiavenna, Italy
- Average humidity in May: 91%
The month with the highest relative humidity is April (94%).
The month with the lowest relative humidity is July (81%).
Average rainfall in May
Chiavenna, Italy
- Average rainfall in May: 68mm
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in May
Chiavenna, Italy
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in May
Chiavenna, Italy
- Average snowfall in May: 89mm
The month with the highest snowfall is November (492mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Chiavenna, Italy
- Average snowfall days in May: 5.3 days
The month with the highest number of snowfall days is March (17 days).
The month with the least snowfall days is August (0 days).
Average daylight in May /
Average sunshine in May
Chiavenna, Italy
- 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: 6h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in May
Chiavenna, Italy
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in May
Chiavenna, Italy
- Average UV index in May: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, October and November (UV index 1).
Average cloud cover in May
Chiavenna, Italy
- Average cloud cover in May: 64
The month with the most cloud cover is April (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in May
Chiavenna, Italy
- Average visibility in May: 6km
The month with the highest visibility is July (8km).
The month with the lowest visibility is April (5km).
