April weather forecastPalermo, Italy

April
Weather in April
April's weather in Palermo indicates the deepening of spring, with palpable changes from March. The city starts to warm up, with high temperatures increasing to 17.6°C (63.7°F) on average. Sunshine hours jump to 10.2, affirming the progressive increase in day length towards the summer solstice. Nights also seem warmer, with the lowest temperatures hitting 10.1°C (50.2°F), pointing to comfortable evenings ahead. The month of May heralds even more favourable climatic changes.Temperature
Palermo, Italy, indicates an average high-temperature of an enjoyable 17.6°C (63.7°F) in April, showing minor variation from March's 14.8°C (58.6°F). In April, Palermo records an average nighttime temperature of 10.1°C (50.2°F).Humidity
In April, the average relative humidity is 76%.Rainfall
In Palermo, in April, during 12.2 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 121.2 rainfall days, and 381mm (15") of precipitation is accumulated.Snowfall
In Palermo, Italy, snow does not fall in February through November.Sea temperature
In Palermo, Italy, the average seawater temperature in April is 15.8°C (60.4°F).Note: Swimming in water with a temperature of 15.8°C (60.4°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.
Daylight
In Palermo, the average length of the day in April is 13h and 12min.On the first day of the month, sunrise is at 06:50 and sunset at 19:29. On the last day of April, sunrise is at 06:10 and sunset at 19:56 CEST.
Sunshine
The average sunshine in April in Palermo is 10.2h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in April translates into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Palermo, Italy
- Average high temperature in April: 17.6°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is February (12.5°C).
- Average low temperature in April: 10.1°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure in April
Palermo, Italy
- Average pressure in April: 1014.3mbar
The month with the highest atmospheric pressure is December (1019mbar).
The months with the lowest atmospheric pressure are April and July (1014.3mbar).
Average wind speed in April
Palermo, Italy
- Average wind speed in April: 10.6km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in April
Palermo, Italy
- Average humidity in April: 76%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is July (59%).
Average rainfall in April
Palermo, Italy
- Average rainfall in April: 23mm
The wettest months (with the highest rainfall) are September and October (57mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in April
Palermo, Italy
- Average rainfall days in April: 12.2 days
The month with the highest number of rainy days is January (13.6 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in April
Palermo, Italy
- Average snowfall in April: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Palermo, Italy
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in April
Palermo, Italy
- Average sea temperature in April: 15.8°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.3°C).
Average daylight in April /
Average sunshine in April
Palermo, Italy
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 10h and 12min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in April
Palermo, Italy
- Average sunshine days in April: 16.5 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in April
Palermo, Italy
- Average UV index in April: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in April
Palermo, Italy
- Average cloud cover in April: 30
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in April
Palermo, Italy
- Average visibility in April: 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).





