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April Weather in Alamo, United States

Last updated: June 24, 2025

In April, the average temperature in Alamo, United States hovers around 13°C (56°F). Expect a temperature range that dips to a chilly -5°C (22°F) and can peak at a warm 27°C (81°F). During this month, you can anticipate about 12 mm (0.5 in) of precipitation over three days, contributing to an average humidity level of 61%. Stay prepared for varying weather conditions!

April Temperature in Alamo

In April in Alamo, the average temperature is 13°C (56°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as -5°C (22°F). This diverse range makes it essential for travelers to pack accordingly, ensuring comfort for both warm and chilly moments.

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 13°C (56°F), with highs reaching up to 27°C (81°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec353947556474757368564636
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 precipitation amount is 12 mm (0.5 in) during a span of 3 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 12 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec181619121119473332191212
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 61%. With an average temperature of 13°C (56°F), this humidity feels like an uncomfortable blanket surrounding you, making outdoor activities slightly sticky and the air a bit heavier, which might dampen the joy of exploring for travelers.

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 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%83%71%61%48%36%37%46%62%74%82%82%
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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121313131211864
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 Weather1°C (35°F)18 mm (0.7 inches)81%moderate
February Weather4°C (39°F)16 mm (0.6 inches)83%high
March Weather8°C (47°F)19 mm (0.8 inches)71%very high
April Weather13°C (56°F)12 mm (0.5 inches)61%extreme
May Weather18°C (64°F)11 mm (0.4 inches)48%extreme
June Weather23°C (74°F)19 mm (0.7 inches)36%extreme
July Weather24°C (75°F)47 mm (1.8 inches)37%extreme
August Weather23°C (74°F)33 mm (1.3 inches)46%extreme
September Weather20°C (68°F)32 mm (1.3 inches)62%extreme
October Weather13°C (56°F)19 mm (0.8 inches)74%very high
November Weather8°C (46°F)12 mm (0.5 inches)82%high
December Weather2°C (36°F)12 mm (0.5 inches)82%moderate

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