April Weather in Castro Urdiales, Mexico

Last updated: August 27, 2025

In April, the average temperature in Castro Urdiales, Mexico hovers around 22°C (72°F), making it a pleasant time to visit. Expect minimums dipping to 8°C (46°F) and maximums soaring to 35°C (96°F). Rain is scarce, with an average precipitation of just 1 mm (0.0 in) over 0 days, and the air remains relatively dry with an average humidity of 42%.

April Temperature in Castro Urdiales

In April in Castro Urdiales, the average temperature is 22°C (72°F). Maximums can reach 35°C (96°F), and minimums can be as low as 8°C (46°F). This varied climate makes it a perfect destination for travelers seeking both warmth and cooler evenings.

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

The chart illustrates April temperature patterns in Castro Urdiales, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro Urdiales, April typically has an average temperature of 22°C (72°F), with highs reaching up to 35°C (96°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec626469727574707070696662
Data source: Temperature data for Castro Urdiales 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 Urdiales

In Castro Urdiales in April, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

April Precipitation Trends in Castro Urdiales

The chart displays monthly precipitation patterns in Castro Urdiales, 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 Urdiales, April typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec9144119112226197219692312
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Castro Urdiales

In Castro Urdiales in April, humidity is 42%. With an average temperature of 22°C (72°F), this humidity feels like a pleasant embrace, making it comfortable for exploring the sights and enjoying outdoor activities without feeling overly sticky or heavy in the air.

April Average Humidity in Castro Urdiales

This chart illustrates the average monthly humidity levels in Castro Urdiales, 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 Urdiales is approximately 42%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%46%43%51%74%79%81%84%75%71%74%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Castro Urdiales

In Castro Urdiales in April, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Castro Urdiales.

Maximum UV Index Levels in Castro Urdiales for April

The chart shows the monthly maximum UV Index (UVI) for Castro Urdiales 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 Urdiales typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111415141413131412108
Data source: Castro Urdiales 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 Urdiales Compares to Other Months

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

This table compares monthly weather conditions in Castro Urdiales, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (62°F)9 mm (0.3 inches)64%very high
February Weather18°C (65°F)14 mm (0.5 inches)57%extreme
March Weather21°C (70°F)4 mm (0.1 inches)46%extreme
April Weather22°C (72°F)1 mm (0.0 inches)42%extreme
May Weather24°C (75°F)19 mm (0.7 inches)51%extreme
June Weather23°C (74°F)112 mm (4.4 inches)74%extreme
July Weather21°C (71°F)226 mm (8.9 inches)79%extreme
August Weather21°C (71°F)197 mm (7.8 inches)81%extreme
September Weather21°C (70°F)218 mm (8.6 inches)84%extreme
October Weather21°C (69°F)69 mm (2.7 inches)75%extreme
November Weather19°C (66°F)23 mm (0.9 inches)71%very high
December Weather16°C (62°F)12 mm (0.5 inches)74%very high

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