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April Weather in Round Rock, United States

Last updated: June 24, 2025

In April, the average temperature in Round Rock, United States hovers around 13°C (55°F). You can expect a minimum dip to -5°C (23°F) and a pleasant maximum of 29°C (84°F). During this month, precipitation is light, with only about 10 mm (0.4 in) falling over 2 days, coupled with an average humidity of 69%.

April Temperature in Round Rock

In April in Round Rock, the average temperature is 13°C (55°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -5°C (23°F). This makes it essential to pack a variety of clothing options for your trip, accommodating both warm and cool conditions.

April Weather in Round Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Round Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Round Rock, April typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec323846556376797869544433
Data source: Temperature data for Round Rock 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 Round Rock

In Round Rock in April, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

April Precipitation Trends in Round Rock

The chart displays monthly precipitation patterns in Round Rock, 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 Round Rock, April typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2222321014314512211022
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Round Rock

In Round Rock in April, humidity is 69%. With an average temperature of 13°C (55°F), this humidity feels like a mild embrace, making it a comfortable yet slightly damp atmosphere for traveling.

April Average Humidity in Round Rock

This chart illustrates the average monthly humidity levels in Round Rock, 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 Round Rock is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%76%69%53%40%36%44%59%74%83%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Round Rock

In Round Rock 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 Round Rock.

Maximum UV Index Levels in Round Rock for April

The chart shows the monthly maximum UV Index (UVI) for Round Rock 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 Round Rock typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111213131211864
Data source: Round Rock 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 Round Rock Compares to Other Months

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

This table compares monthly weather conditions in Round Rock, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)22 mm (0.9 inches)85%moderate
February Weather3°C (38°F)22 mm (0.9 inches)86%high
March Weather8°C (46°F)31 mm (1.2 inches)76%very high
April Weather13°C (55°F)10 mm (0.4 inches)69%extreme
May Weather17°C (63°F)14 mm (0.6 inches)53%extreme
June Weather24°C (76°F)3 mm (0.1 inches)40%extreme
July Weather26°C (80°F)14 mm (0.5 inches)36%extreme
August Weather25°C (78°F)4 mm (0.2 inches)44%extreme
September Weather21°C (69°F)12 mm (0.5 inches)59%extreme
October Weather12°C (54°F)21 mm (0.8 inches)74%very high
November Weather7°C (44°F)10 mm (0.4 inches)83%high
December Weather1°C (34°F)22 mm (0.8 inches)85%moderate

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