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
With the onset of May, Isernia's average high-temperature experiences a slight rise, moving from April's refreshing 15.8°C (60.4°F) to a comfortable 19°C (66.2°F). Isernia sees an average low-temperature of 7.8°C (46°F) during May.Humidity
In May, the average relative humidity in Isernia is 77%.Rainfall
In Isernia, Italy, during May, the rain falls for 19.7 days and regularly aggregates up to 86mm (3.39") of precipitation. Throughout the year, in Isernia, there are 186.2 rainfall days, and 769mm (30.28") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May in Isernia is 14h and 32min.On the first day of May, sunrise is at 05:59 and sunset at 20:01. On the last day of the month, sunrise is at 05:31 and sunset at 20:30 CEST.
Sunshine
In May, the average sunshine is 10.3h.UV index
In Isernia, Italy, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. When the Sun is at its strongest around midday, find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Isernia?
What is the average humidity in May in Isernia?
How much does it rain in Isernia in May?
When it does not snow in Isernia?
Does it snow in Isernia in May?
What is the average length of the day in May in Isernia?
When is the sunrise / sunset in May in Isernia?
How long on average sun shines in May in Isernia?
How high is the UV index in May in Isernia?
Average temperature in May
Isernia, Italy
- Average high temperature in May: 19°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in May: 7.8°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in May
Isernia, Italy
- Average pressure in May: 1014mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in May
Isernia, Italy
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in May
Isernia, Italy
- Average humidity in May: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (62%).
Average rainfall in May
Isernia, Italy
- Average rainfall in May: 86mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in May
Isernia, Italy
- Average rainfall days in May: 19.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is August (11.5 days).
Average snowfall in May
Isernia, Italy
- Average snowfall in May: 0mm
The month with the highest snowfall is February (68mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Isernia, Italy
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.2 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
Isernia, Italy
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 10h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Isernia, Italy
- Average sunshine days in May: 8.4 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in May
Isernia, Italy
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Isernia, Italy
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in May
Isernia, Italy
- Average visibility in May: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and November (8km).
