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April Weather in Denison, United States

Last updated: June 24, 2025

In April, the average temperature in Denison, United States is a mild 17°C (63°F). While you may experience minimum temperatures dropping to -1°C (31°F), the maximum can soar up to 33°C (92°F). Expect approximately 130 mm (5.1 in) of precipitation over 9 days, with an average humidity of 78%.

April Temperature in Denison

In April in Denison, the average temperature is 17°C (63°F). Maximum temperatures can reach as high as 33°C (92°F), while minimums can drop to as low as -1°C (31°F). Therefore, it's advisable to pack layers and be prepared for both warm days and chilly nights while traveling.

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

The chart illustrates April temperature patterns in Denison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Denison, April typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec454758637380848378665450
Data source: Temperature data for Denison 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 Denison

In Denison in April, the precipitation amount is 130 mm (5.1 in) over the course of 9 days.

April Precipitation Trends in Denison

The chart displays monthly precipitation patterns in Denison, 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 Denison, April typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5995129130158109531021041655869
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Denison

In Denison in April, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

April Average Humidity in Denison

This chart illustrates the average monthly humidity levels in Denison, 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 Denison is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Denison

In Denison 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 Denison.

Maximum UV Index Levels in Denison for April

The chart shows the monthly maximum UV Index (UVI) for Denison 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 Denison typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Denison 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 Denison Compares to Other Months

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

This table compares monthly weather conditions in Denison, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)59 mm (2.3 inches)80%moderate
February Weather8°C (47°F)95 mm (3.7 inches)79%high
March Weather14°C (58°F)129 mm (5.1 inches)78%very high
April Weather17°C (63°F)130 mm (5.1 inches)78%very high
May Weather23°C (73°F)158 mm (6.2 inches)81%extreme
June Weather27°C (81°F)109 mm (4.3 inches)78%extreme
July Weather29°C (84°F)53 mm (2.1 inches)73%extreme
August Weather28°C (83°F)102 mm (4.0 inches)66%extreme
September Weather25°C (78°F)104 mm (4.1 inches)65%very high
October Weather19°C (66°F)165 mm (6.5 inches)72%very high
November Weather12°C (55°F)58 mm (2.3 inches)82%high
December Weather10°C (50°F)69 mm (2.7 inches)87%moderate

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