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 beginning of May signals a minor rise in the average high-temperature, moving from a refreshing 18.3°C (64.9°F) in April to a pleasant 21.4°C (70.5°F). During the month of May, Castel Gandolfo experiences a steady low-temperature average of 12.8°C (55°F).Humidity
In Castel Gandolfo, the average relative humidity in May is 70%.Rainfall
In Castel Gandolfo, in May, it is raining for 14.4 days, with typically 49mm (1.93") of accumulated precipitation. In Castel Gandolfo, during the entire year, the rain falls for 143.3 days and collects up to 595mm (23.43") of precipitation.Snowfall
January, March through November are months without snowfall.Daylight
In Castel Gandolfo, the average length of the day in May is 14h and 33min.On the first day of the month, sunrise is at 06:05 and sunset at 20:07. On the last day of May, sunrise is at 05:37 and sunset at 20:37 CEST.
Sunshine
In May, the average sunshine is 11h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Castel Gandolfo have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Castel Gandolfo, Italy
- Average high temperature in May: 21.4°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (11.4°C).
- Average low temperature in May: 12.8°C
The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).
Average pressure in May
Castel Gandolfo, Italy
- Average pressure in May: 1014.4mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in May
Castel Gandolfo, Italy
- Average wind speed in May: 9.6km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in May
Castel Gandolfo, Italy
- Average humidity in May: 70%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (57%).
Average rainfall in May
Castel Gandolfo, Italy
- Average rainfall in May: 49mm
The wettest month (with the highest rainfall) is November (111mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in May
Castel Gandolfo, Italy
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is November (15.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in May
Castel Gandolfo, Italy
- Average snowfall in May: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Castel Gandolfo, Italy
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Castel Gandolfo, Italy
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in May
Castel Gandolfo, Italy
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in May
Castel Gandolfo, Italy
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Castel Gandolfo, Italy
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in May
Castel Gandolfo, Italy
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
