April Weather in Alamo, United States

Last updated: June 24, 2025

In April, the average temperature in Alamo, United States is a pleasant 20°C (67°F). However, be prepared for fluctuations; temperatures can dip to a chilly 1°C (33°F) or soar to a sweltering 37°C (98°F). Expect 79 mm (3.1 in) of precipitation spread over 7 days, accompanied by a high average humidity of 81%.

April Temperature in Alamo

In April in Alamo, the average temperature is 20°C (67°F). Maximums can reach 37°C (98°F) and minimums can be as low as 1°C (33°F). Be sure to pack layers to accommodate the wide temperature range for a comfortable travel experience.

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

The chart illustrates April temperature patterns in Alamo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alamo, April typically has an average temperature of 20°C (67°F), with highs reaching up to 37°C (98°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec515761677580838279715853
Data source: Temperature data for Alamo 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 Alamo

In Alamo in April, the total precipitation amount is 79 mm (3.1 in) distributed over a period of 7 days.

April Precipitation Trends in Alamo

The chart displays monthly precipitation patterns in Alamo, 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 Alamo, April typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec871077779811091201171028956126
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Alamo

In Alamo in April, humidity is 81%. With an average temperature of 20°C (67°F), this humidity feels like a warm embrace, making traveling somewhat stifling and requiring frequent breaks to stay comfortable.

April Average Humidity in Alamo

This chart illustrates the average monthly humidity levels in Alamo, 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 Alamo is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Alamo

In Alamo in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Alamo.

Maximum UV Index Levels in Alamo for April

The chart shows the monthly maximum UV Index (UVI) for Alamo 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 Alamo typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Alamo 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 Alamo Compares to Other Months

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

This table compares monthly weather conditions in Alamo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)87 mm (3.4 inches)86%moderate
February Weather14°C (57°F)107 mm (4.2 inches)84%high
March Weather16°C (61°F)77 mm (3.0 inches)83%very high
April Weather20°C (67°F)79 mm (3.1 inches)81%very high
May Weather24°C (76°F)81 mm (3.2 inches)81%extreme
June Weather27°C (80°F)109 mm (4.3 inches)81%extreme
July Weather28°C (83°F)120 mm (4.7 inches)83%extreme
August Weather28°C (83°F)117 mm (4.6 inches)81%extreme
September Weather26°C (80°F)102 mm (4.0 inches)82%very high
October Weather22°C (72°F)89 mm (3.5 inches)78%very high
November Weather14°C (58°F)56 mm (2.2 inches)86%high
December Weather12°C (53°F)126 mm (4.9 inches)89%moderate

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