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 days in May
- Average sea temperature 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
Weather in May
Temperature
May's arrival sees a mild rise in the average high-temperature, transitioning from April's enjoyable 17.1°C (62.8°F) to an agreeable 20.2°C (68.4°F). Formia reports an average nighttime low-temperature of 14°C (57.2°F) in May.Humidity
In Formia, the average relative humidity in May is 73%.Rainfall
In Formia, in May, during 12.4 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Formia, there are 135.6 rainfall days, and 569mm (22.4") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Formia.Sea temperature
In Formia, Italy, the average seawater temperature in May is 18.9°C (66°F).Note: For most, swimming in 18.9°C (66°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in May is 14h and 31min.On the first day of the month, sunrise is at 06:02 and sunset at 20:03. On the last day of May, sunrise is at 05:35 and sunset at 20:31 CEST.
Sunshine
In Formia, the average sunshine in May is 11.1h.UV index
In May, the average daily maximum UV index in Formia is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the average May temperature in Formia?
What is the average humidity in May in Formia?
How much does it rain in Formia in May?
When it does not snow in Formia?
How cold is the water in May in Formia?
How many hours of daylight does Formia have in May?
When are sunrise and sunset in May in Formia?
How long on average sun shines in May in Formia?
What is the UV index intensity in May in Formia?
Average temperature in May
Formia, Italy
- Average high temperature in May: 20.2°C
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in May: 14°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in May
Formia, Italy
- Average pressure in May: 1014.3mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014.1mbar).
Average wind speed in May
Formia, Italy
- Average wind speed in May: 10.4km/h
The windiest month (with the highest average wind speed) is February (13km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in May
Formia, Italy
- Average humidity in May: 73%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (63%).
Average rainfall in May
Formia, Italy
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is November (120mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in May
Formia, Italy
- Average rainfall days in May: 12.4 days
The months with the highest number of rainy days are January and November (15 days).
The month with the least rainy days is August (4.2 days).
Average snowfall days in May
Formia, Italy
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in May
Formia, Italy
- Average sea temperature in May: 18.9°C
The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest month (with the lowest average sea temperature) is February (13.8°C).
Average daylight in May /
Average sunshine in May
Formia, 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 18min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in May
Formia, Italy
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in May
Formia, 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
Formia, Italy
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in May
Formia, 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).
Formia, Italy
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