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 introduces a marginal temperature uplift, with average high-temperatures adjusting from April's comfortable 17.5°C (63.5°F) to a pleasant 21.2°C (70.2°F). Castellanza reports a consistent average low-temperature of 11.4°C (52.5°F) throughout May nights.Humidity
In May, the average relative humidity is 71%.Rainfall
In Castellanza, during May, the rain falls for 20.3 days and regularly aggregates up to 133mm (5.24") of precipitation. In Castellanza, during the entire year, the rain falls for 178.4 days and collects up to 1147mm (45.16") of precipitation.Snowfall
In Castellanza, snow does not fall in April through October.Daylight
In Castellanza, the average length of the day in May is 14h and 56min.On the first day of May in Castellanza, sunrise is at 06:11 and sunset at 20:31. On the last day of the month, sunrise is at 05:38 and sunset at 21:05 CEST.
Sunshine
In Castellanza, the average sunshine in May is 10.1h.UV index
In Castellanza, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 5 in May leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Castellanza?
What is the average humidity in May in Castellanza?
How much does it rain in Castellanza in May?
When it does not snow in Castellanza?
What is the average length of the day in May in Castellanza?
When is the sunrise / sunset in May in Castellanza?
How long on average sun shines in May in Castellanza?
What is the UV index reading in May in Castellanza?
Average temperature in May
Castellanza, Italy
- Average high temperature in May: 21.2°C
The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in May: 11.4°C
The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in May
Castellanza, Italy
- Average pressure in May: 1014.8mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in May
Castellanza, Italy
- Average wind speed in May: 6.5km/h
The windiest month (with the highest average wind speed) is March (6.8km/h).
The calmest month (with the lowest average wind speed) is December (5.4km/h).
Average humidity in May
Castellanza, Italy
- Average humidity in May: 71%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are April, July and August (70%).
Average rainfall in May
Castellanza, Italy
- Average rainfall in May: 133mm
The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in May
Castellanza, Italy
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in May
Castellanza, Italy
- Average snowfall in May: 0mm
The month with the highest snowfall is February (48mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Castellanza, Italy
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Castellanza, Italy
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days in May
Castellanza, Italy
- Average sunshine days in May: 7.1 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (5.9 days).
Average UV index in May
Castellanza, Italy
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Castellanza, Italy
- Average cloud cover in May: 34
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in May
Castellanza, Italy
- 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).
