April Weather in Allen, United States

Last updated: June 24, 2025

In April, the average temperature in Allen, United States hovers around 16°C (61°F), offering a pleasant climate. Guests should be prepared for temperature fluctuations, with a minimum dipping to -3°C (27°F) and a maximum soaring to 34°C (93°F). Rain is also a possibility, with an average precipitation of 136 mm (5.4 in) spread over 9 days. The average humidity during this month is about 75%, adding a touch of moisture to the air.

April Temperature in Allen

In April in Allen, the average temperature is 16°C (61°F), with maximums reaching up to 34°C (93°F) and minimums dipping as low as -3°C (27°F). This varied climate makes Allen an exciting destination for travelers seeking both warm and cool experiences.

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

The chart illustrates April temperature patterns in Allen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allen, April typically has an average temperature of 16°C (61°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec414355617079838176635246
Data source: Temperature data for Allen 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 Allen

In Allen in April, the precipitation amount is 136 mm (5.4 in) over a span of 9 days.

April Precipitation Trends in Allen

The chart displays monthly precipitation patterns in Allen, 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 Allen, April typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6881891361717769701061175157
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Allen

In Allen in April humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.

April Average Humidity in Allen

This chart illustrates the average monthly humidity levels in Allen, 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 Allen is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Allen

In Allen 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 Allen.

Maximum UV Index Levels in Allen for April

The chart shows the monthly maximum UV Index (UVI) for Allen 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 Allen typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111119754
Data source: Allen 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 Allen Compares to Other Months

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

This table compares monthly weather conditions in Allen, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)68 mm (2.7 inches)79%moderate
February Weather6°C (44°F)81 mm (3.2 inches)78%high
March Weather13°C (56°F)89 mm (3.5 inches)75%high
April Weather16°C (61°F)136 mm (5.4 inches)75%very high
May Weather21°C (71°F)171 mm (6.7 inches)83%very high
June Weather26°C (79°F)77 mm (3.0 inches)81%extreme
July Weather28°C (83°F)68 mm (2.7 inches)78%extreme
August Weather27°C (82°F)70 mm (2.8 inches)68%extreme
September Weather25°C (77°F)106 mm (4.2 inches)64%very high
October Weather17°C (64°F)117 mm (4.6 inches)71%high
November Weather11°C (52°F)51 mm (2.0 inches)82%moderate
December Weather8°C (47°F)57 mm (2.2 inches)87%moderate

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