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April Weather in Grass Lake, United States

Last updated: June 24, 2025

In April, the average temperature in Grass Lake, United States hovers around 8°C (47°F). Expect a minimum drop to -7°C (20°F) and a maximum rise up to 28°C (82°F). The region experiences significant precipitation of 92 mm (3.6 in) over about 14 days, accompanied by high humidity levels at 86%.

April Temperature in Grass Lake

In April in Grass Lake, the average temperature is 8°C (47°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -7°C (20°F). This wide range of temperatures means travelers should be prepared for both warm and chilly conditions.

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

The chart illustrates April temperature patterns in Grass Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grass 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 -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070747265543932
Data source: Temperature data for Grass 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 Grass Lake

In Grass Lake in April, the precipitation amount is 92 mm (3.6 in) over the course of 14 days.

April Precipitation Trends in Grass Lake

The chart displays monthly precipitation patterns in Grass 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 Grass Lake, April typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec656978921238410165741097554
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Grass Lake

In Grass Lake in April, humidity is 86%. With an average temperature of 8°C (47°F), this humidity feels like a chilling damp that penetrates your clothes, making outdoor adventures less enjoyable and encouraging you to seek warmth indoors rather than explore the sights.

April Average Humidity in Grass Lake

This chart illustrates the average monthly humidity levels in Grass 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 Grass Lake is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Grass Lake

In Grass Lake in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Grass Lake.

Maximum UV Index Levels in Grass Lake for April

The chart shows the monthly maximum UV Index (UVI) for Grass 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 Grass Lake typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
Data source: Grass 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 Grass Lake Compares to Other Months

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

This table compares monthly weather conditions in Grass Lake, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)65 mm (2.6 inches)88%low
February Weather-3°C (28°F)69 mm (2.7 inches)87%moderate
March Weather3°C (38°F)78 mm (3.1 inches)85%moderate
April Weather8°C (47°F)92 mm (3.6 inches)86%very high
May Weather15°C (60°F)123 mm (4.8 inches)80%very high
June Weather21°C (70°F)84 mm (3.3 inches)80%very high
July Weather24°C (75°F)101 mm (4.0 inches)80%very high
August Weather22°C (72°F)65 mm (2.6 inches)80%very high
September Weather19°C (66°F)74 mm (2.9 inches)80%high
October Weather12°C (54°F)109 mm (4.3 inches)84%moderate
November Weather4°C (39°F)75 mm (3.0 inches)89%moderate
December Weather0°C (33°F)54 mm (2.1 inches)86%low

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