Weather in April
Temperature
The start of April brings a subtle shift in the average high-temperature, edging up from March's refreshing 14°C (57.2°F) to an enjoyable 17°C (62.6°F). Nighttime temperatures consistently average a frosty 9°C (48.2°F) during April.Rainfall
In April, in Isola Rossa, the rain falls for 13 days. Throughout April, 52mm (2.05") of precipitation is accumulated. In Isola Rossa, during the entire year, the rain falls for 122 days and collects up to 641mm (25.24") of precipitation.Sea temperature
January through April, with an average sea temperature of 14°C (57.2°F), are months with the coldest seawater.Note: Swimming in 14°C (57.2°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.
Daylight
In Isola Rossa, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 07:06 and sunset at 19:49. On the last day of April, in Isola Rossa, sunrise is at 06:22 and sunset at 20:20 CEST.
Sunshine
The average sunshine in April in Isola Rossa is 7h.UV index
The average daily maximum UV index in April in Isola Rossa is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 6 during April translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the temperature in April in Isola Rossa?
How many days does it rain in April in Isola Rossa?
What months are the sea coldest in Isola Rossa?
What is the sea water temperature in April in Isola Rossa?
How many hours of daylight does Isola Rossa have in April?
What time are sunrise and sunset in April in Isola Rossa?
How long on average sun shines in April in Isola Rossa?
How high is the UV index in April in Isola Rossa?
Average temperature in April
Isola Rossa, Italy
- Average high temperature in April: 17°C
The warmest month (with the highest average high temperature) is August (28°C).
The months with the lowest average high temperature are January, February and December (13°C).
- Average low temperature in April: 9°C
The month with the highest average low temperature is August (19°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (7°C).
Average rainfall in April
Isola Rossa, Italy
- Average rainfall in April: 52mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in April
Isola Rossa, Italy
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is December (15 days).
The month with the least rainy days is July (2 days).
Average sea temperature in April
Isola Rossa, Italy
- Average sea temperature in April: 14°C
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (14°C).
Average daylight in April /
Average sunshine in April
Isola Rossa, Italy
- Average daylight in April: 13h and 2min
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 April: 7h
The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average UV index in April
Isola Rossa, Italy
- Average UV index in April: 6
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 1).
Isola Rossa, Italy
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