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April Weather in Castro Daire, Portugal

Last updated: August 27, 2025

In Castro Daire, Portugal, the average temperature in April hovers around 12°C (53°F), where the mercury can dip to a chilly 0°C (32°F) and rise up to a pleasant 25°C (78°F). Expect 153 mm (6.0 in) of precipitation spread over 15 days, contributing to an average humidity level of 79%.

April Temperature in Castro Daire

In April in Castro Daire, the average temperature is 12°C (53°F). The maximum can reach 25°C (78°F), while the minimum can drop as low as 0°C (32°F). This makes it a great time to explore Castro Daire, offering comfortable weather for outdoor activities and sightseeing.

April Weather in Castro Daire: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Castro Daire, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro Daire, April typically has an average temperature of 12°C (53°F), with highs reaching up to 25°C (78°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec434749535963676864584946
Data source: Temperature data for Castro Daire 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 Castro Daire

In Castro Daire in April, the precipitation amount is 153 mm (6.0 in) over the course of 15 days.

April Precipitation Trends in Castro Daire

The chart displays monthly precipitation patterns in Castro Daire, 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 Castro Daire, April typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec841371531537657272251108151182
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Castro Daire

In Castro Daire in April, humidity is 79%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and ideal for cozy indoor explorations rather than extensive sightseeing.

April Average Humidity in Castro Daire

This chart illustrates the average monthly humidity levels in Castro Daire, 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 Castro Daire is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Castro Daire

In Castro Daire in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Castro Daire.

Maximum UV Index Levels in Castro Daire for April

The chart shows the monthly maximum UV Index (UVI) for Castro Daire 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 Castro Daire typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34699111098642
Data source: Castro Daire 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 Castro Daire Compares to Other Months

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

This table compares monthly weather conditions in Castro Daire, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)84 mm (3.3 inches)87%moderate
February Weather8°C (47°F)137 mm (5.4 inches)81%moderate
March Weather10°C (49°F)153 mm (6.0 inches)78%high
April Weather12°C (53°F)153 mm (6.0 inches)79%very high
May Weather15°C (59°F)76 mm (3.0 inches)78%very high
June Weather17°C (63°F)57 mm (2.3 inches)71%extreme
July Weather20°C (68°F)27 mm (1.1 inches)63%very high
August Weather20°C (68°F)22 mm (0.9 inches)64%very high
September Weather18°C (65°F)51 mm (2.0 inches)71%very high
October Weather14°C (58°F)108 mm (4.3 inches)79%high
November Weather9°C (49°F)151 mm (5.9 inches)86%moderate
December Weather8°C (46°F)182 mm (7.2 inches)87%low

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