April weather forecast and climate
Arona, Spain

April, like March, in Arona, Spain, is another comfortable spring month, with average temperature varying between 19.9°C (67.8°F) and 17.8°C (64°F).

Temperature

In Arona, the average high-temperature is relatively the same as in March - a still enjoyable 19.9°C (67.8°F). The average low-temperature, in April, is 17.8°C (64°F).

Humidity

The average relative humidity in April is 73%.

Rainfall

April is the last month it rains. During 4.3 rainfall days, in April, Arona aggregates 2mm (0.08") of precipitation. In Arona, during the entire year, the rain falls for 25.4 days and collects up to 22mm (0.87") of precipitation.

Sea temperature

January through April, with an average sea temperature of 19°C (66.2°F), are months with the coldest seawater.
Note: Swimming in 19°C (66.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In April, the average length of the day is 12.9h.

Sunshine

Months with the least sunshine are March, April and December, with an average of 9.5h of sunshine.

UV index

April through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.