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April Weather in Round Lake, United States

Last updated: June 24, 2025

In April, the average temperature in Round Lake, United States hovers around 8°C (47°F). However, temperatures can vary significantly, with a minimum of -5°C (23°F) and a maximum of 28°C (82°F). During this month, expect 138 mm (5.4 in) of precipitation spread across 13 days, contributing to a high average humidity of 84%.

April Temperature in Round Lake

In April in Round Lake, the average temperature is 8°C (47°F). The maximum can reach 28°C (82°F), while the minimum can be as low as -5°C (23°F). Overall, this time of year offers a diverse range of temperatures, making it ideal for travelers to prepare for varying weather conditions and enjoy the unique experiences Round Lake has to offer.

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

The chart illustrates April temperature patterns in Round Lake, 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, April typically has an average temperature of 8°C (47°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834465867737164533830
Data source: Temperature data for Round Lake 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

In Round Lake in April, the precipitation amount is 138 mm (5.4 in) over the course of 13 days.

April Precipitation Trends in Round Lake

The chart displays monthly precipitation patterns in Round Lake, 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, April typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec81988213810310414210399158109110
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Round Lake

In Round Lake in April, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

April Average Humidity in Round Lake

This chart illustrates the average monthly humidity levels in Round Lake, 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 is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Round Lake

In Round Lake 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.

Maximum UV Index Levels in Round Lake for April

The chart shows the monthly maximum UV Index (UVI) for Round Lake 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 typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997532
Data source: Round Lake 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 Compares to Other Months

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

This table compares monthly weather conditions in Round Lake, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)81 mm (3.2 inches)89%moderate
February Weather-2°C (28°F)98 mm (3.8 inches)88%moderate
March Weather1°C (35°F)82 mm (3.2 inches)86%high
April Weather8°C (47°F)138 mm (5.4 inches)84%very high
May Weather15°C (59°F)103 mm (4.0 inches)76%very high
June Weather19°C (67°F)104 mm (4.1 inches)72%very high
July Weather23°C (73°F)142 mm (5.6 inches)66%very high
August Weather22°C (71°F)103 mm (4.1 inches)64%very high
September Weather18°C (64°F)99 mm (3.9 inches)72%high
October Weather12°C (53°F)158 mm (6.2 inches)81%moderate
November Weather3°C (38°F)109 mm (4.3 inches)87%moderate
December Weather-1°C (30°F)110 mm (4.3 inches)84%low

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