April Weather in Grayson, United States

Last updated: June 24, 2025

In Grayson, United States, the average temperature in April is a pleasant 16°C (62°F). Temperatures can dip as low as 0°C (33°F), reaching a maximum of 29°C (84°F). Be prepared for some rainfall, as 123 mm (4.8 in) of precipitation may occur over 9 days. With an average humidity of 81%, the air is sure to feel quite tropical!

April Temperature in Grayson

In April in Grayson, the average temperature is 16°C (62°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as 0°C (33°F). This makes Grayson an ideal destination for travelers seeking a range of weather experiences, from warm days to cooler nights.

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

The chart illustrates April temperature patterns in Grayson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grayson, April typically has an average temperature of 16°C (62°F), with highs reaching up to 29°C (84°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec455055627076797874655248
Data source: Temperature data for Grayson 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 Grayson

In Grayson in April, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.

April Precipitation Trends in Grayson

The chart displays monthly precipitation patterns in Grayson, 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 Grayson, April typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec10915513812312013511915311514380138
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Grayson

In Grayson in April, humidity is 81%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace that can quickly leave travelers feeling sticky and drained, making outdoor adventures a bit challenging unless they stay properly hydrated and take breaks in the shade.

April Average Humidity in Grayson

This chart illustrates the average monthly humidity levels in Grayson, 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 Grayson is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Grayson

In Grayson in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Grayson.

Maximum UV Index Levels in Grayson for April

The chart shows the monthly maximum UV Index (UVI) for Grayson 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 Grayson typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111111109864
Data source: Grayson 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 Grayson Compares to Other Months

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

This table compares monthly weather conditions in Grayson, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)109 mm (4.3 inches)86%moderate
February Weather10°C (51°F)155 mm (6.1 inches)84%high
March Weather13°C (56°F)138 mm (5.4 inches)83%very high
April Weather16°C (62°F)123 mm (4.8 inches)81%extreme
May Weather21°C (71°F)120 mm (4.7 inches)81%extreme
June Weather24°C (76°F)135 mm (5.3 inches)81%extreme
July Weather26°C (79°F)119 mm (4.7 inches)83%extreme
August Weather26°C (78°F)153 mm (6.0 inches)81%very high
September Weather23°C (74°F)115 mm (4.5 inches)82%very high
October Weather18°C (65°F)143 mm (5.6 inches)78%very high
November Weather11°C (52°F)80 mm (3.2 inches)86%high
December Weather9°C (48°F)138 mm (5.4 inches)89%moderate

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