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April Weather in Denison, United States

Last updated: June 24, 2025

In April, the average temperature in Denison, United States hovers around 9°C (48°F). Expect to experience a range that dips to a brisk -12°C (11°F) and can peak at a summery 29°C (85°F). With an average humidity of 74%, you might feel the chill a bit more during the month. Prepare for 66 mm (2.6 in) of precipitation spread over about 10 days, so don’t forget your umbrella!

April Temperature in Denison

In April in Denison, the average temperature is 9°C (48°F), with maximums reaching 29°C (85°F) and minimums plummeting as low as -12°C (11°F). This weather variation suggests travelers should be prepared for both warm days and chilly nights.

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 9°C (48°F), with highs reaching up to 29°C (85°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec222338486174767367513729
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 66 mm (2.6 in) over the course of 10 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 66 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec27397966161105651121001173238
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 74%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating warm layers to fully enjoy your explorations.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810111098642
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 Weather-5°C (23°F)27 mm (1.1 inches)76%moderate
February Weather-5°C (23°F)39 mm (1.5 inches)80%moderate
March Weather4°C (39°F)79 mm (3.1 inches)73%high
April Weather9°C (48°F)66 mm (2.6 inches)74%very high
May Weather16°C (61°F)161 mm (6.3 inches)78%very high
June Weather23°C (74°F)105 mm (4.1 inches)82%extreme
July Weather24°C (76°F)65 mm (2.6 inches)83%very high
August Weather23°C (73°F)112 mm (4.4 inches)80%very high
September Weather20°C (68°F)100 mm (3.9 inches)75%very high
October Weather10°C (51°F)117 mm (4.6 inches)75%high
November Weather3°C (38°F)32 mm (1.3 inches)82%moderate
December Weather-2°C (29°F)38 mm (1.5 inches)83%low

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