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April Weather in McKinney, United States

Last updated: June 24, 2025

In April, the average temperature in McKinney, United States reaches a pleasant 18°C (64°F). However, expect a range that can dip to a chilly 0°C (32°F) and peak at a warm 33°C (92°F). During this month, anticipate about 144 mm (5.7 in) of precipitation spread over 10 days, contributing to an average humidity level of 78%.

April Temperature in McKinney

In April in McKinney, the average temperature is 18°C (64°F). Maximum temperatures can reach 33°C (92°F), while the minimum can drop as low as 0°C (32°F). Be prepared for a range of temperatures while enjoying your trip!

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

The chart illustrates April temperature patterns in McKinney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McKinney, April typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec464859647381848478675550
Data source: Temperature data for McKinney 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 McKinney

In McKinney in April, the precipitation amount is 144 mm (5.7 in) over a duration of 10 days.

April Precipitation Trends in McKinney

The chart displays monthly precipitation patterns in McKinney, 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 McKinney, April typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec651041341441801015896981575873
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in McKinney

In McKinney in April, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.

April Average Humidity in McKinney

This chart illustrates the average monthly humidity levels in McKinney, 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 McKinney 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 McKinney

In McKinney 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 McKinney.

Maximum UV Index Levels in McKinney for April

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

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

This table compares monthly weather conditions in McKinney, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)65 mm (2.6 inches)80%moderate
February Weather9°C (48°F)104 mm (4.1 inches)79%high
March Weather15°C (59°F)134 mm (5.3 inches)78%very high
April Weather18°C (64°F)144 mm (5.7 inches)78%very high
May Weather23°C (73°F)180 mm (7.1 inches)81%extreme
June Weather27°C (81°F)100 mm (4.0 inches)78%extreme
July Weather29°C (84°F)58 mm (2.3 inches)73%extreme
August Weather29°C (84°F)96 mm (3.8 inches)66%extreme
September Weather26°C (79°F)98 mm (3.8 inches)65%very high
October Weather19°C (67°F)157 mm (6.2 inches)72%very high
November Weather13°C (56°F)58 mm (2.3 inches)82%high
December Weather10°C (51°F)73 mm (2.9 inches)87%moderate

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