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April Weather in Illano, Spain

Last updated: August 27, 2025

In April, the average temperature in Illano, Spain hovers around 10°C (50°F). Expect minimums dipping to -4°C (26°F) and maximums reaching up to 24°C (76°F). With an average precipitation of 103 mm (4.0 in) spread over 16 days, the air remains quite moist, boasting an average humidity of 83%. Be prepared for a mix of weather during your stay!

April Temperature in Illano

In April in Illano, the average temperature is 10°C (50°F). Maximums can reach 24°C (76°F), while minimums can dip as low as -4°C (26°F). When visiting during this time, it's wise to pack layers to accommodate the varying temperatures.

April Weather in Illano: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Illano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Illano, April typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (76°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414546495559636360544745
Data source: Temperature data for Illano generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Illano

In Illano in April, the precipitation amount is 103 mm (4.0 in) during a total of 16 days.

April Precipitation Trends in Illano

The chart displays monthly precipitation patterns in Illano, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Illano, April typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec109128126103123117626677117165202
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Illano

In Illano in April, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

April Average Humidity in Illano

This chart illustrates the average monthly humidity levels in Illano, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Illano is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%83%84%84%86%78%77%82%86%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Illano

In Illano in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Illano.

Maximum UV Index Levels in Illano for April

The chart shows the monthly maximum UV Index (UVI) for Illano in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Illano typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098632
Data source: Illano April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Illano Compares to Other Months

Weather in Illano varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Illano, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Illano, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)109 mm (4.3 inches)87%low
February Weather7°C (45°F)128 mm (5.1 inches)85%moderate
March Weather8°C (46°F)126 mm (4.9 inches)83%high
April Weather10°C (50°F)103 mm (4.0 inches)83%very high
May Weather13°C (55°F)123 mm (4.9 inches)84%very high
June Weather15°C (59°F)117 mm (4.6 inches)84%extreme
July Weather17°C (63°F)62 mm (2.4 inches)86%very high
August Weather17°C (63°F)66 mm (2.6 inches)78%very high
September Weather16°C (60°F)77 mm (3.0 inches)77%very high
October Weather12°C (55°F)117 mm (4.6 inches)82%high
November Weather8°C (47°F)165 mm (6.5 inches)86%moderate
December Weather7°C (45°F)202 mm (8.0 inches)87%low

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