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April Weather in Round Lake Heights, United States

Last updated: June 24, 2025

In April, the average temperature in Round Lake Heights, United States hovers around 6°C (44°F). Expect a chilly minimum of -7°C (20°F), while the mercury can peak at a pleasant 22°C (71°F). With 113 mm (4.5 in) of precipitation spread over 13 days, you might want to carry an umbrella, especially with an average humidity of 85% making the air feel quite damp!

April Temperature in Round Lake Heights

In April in Round Lake Heights, the average temperature is 6°C (44°F). Maximums can reach 22°C (71°F), while minimums can drop as low as -7°C (20°F). Pack accordingly for a variety of weather conditions during your travels!

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

The chart illustrates April temperature patterns in Round Lake Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Round Lake Heights, April typically has an average temperature of 6°C (44°F), with highs reaching up to 22°C (71°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec262736445465727266543933
Data source: Temperature data for Round Lake Heights 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 Lake Heights

In Round Lake Heights in April, the precipitation amount is 113 mm (4.5 in) accumulated over 13 days.

April Precipitation Trends in Round Lake Heights

The chart displays monthly precipitation patterns in Round Lake Heights, 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 Lake Heights, April typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6765701131561007472851305758
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Round Lake Heights

In Round Lake Heights in April, humidity is 85%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that seeps into your clothes, making travel uncomfortable and adding an extra layer of chill to the air.

April Average Humidity in Round Lake Heights

This chart illustrates the average monthly humidity levels in Round Lake Heights, 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 Lake Heights is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Round Lake Heights

In Round Lake Heights 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 Round Lake Heights.

Maximum UV Index Levels in Round Lake Heights for April

The chart shows the monthly maximum UV Index (UVI) for Round Lake Heights 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 Lake Heights typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: Round Lake Heights 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 Lake Heights Compares to Other Months

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

This table compares monthly weather conditions in Round Lake Heights, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)67 mm (2.7 inches)85%low
February Weather-3°C (27°F)65 mm (2.6 inches)85%moderate
March Weather2°C (36°F)70 mm (2.8 inches)85%high
April Weather6°C (44°F)113 mm (4.5 inches)85%very high
May Weather12°C (54°F)156 mm (6.1 inches)78%very high
June Weather18°C (66°F)100 mm (3.9 inches)80%very high
July Weather22°C (73°F)74 mm (2.9 inches)78%very high
August Weather22°C (72°F)72 mm (2.8 inches)76%very high
September Weather19°C (67°F)84 mm (3.3 inches)79%very high
October Weather12°C (54°F)130 mm (5.1 inches)83%moderate
November Weather4°C (39°F)56 mm (2.2 inches)88%moderate
December Weather0°C (33°F)58 mm (2.3 inches)81%low

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