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April Weather in Keystone Heights, United States

Last updated: June 24, 2025

In Keystone Heights, United States, the average temperature in April hovers around 21°C (70°F). However, be prepared for a range, as lows can dip to 4°C (40°F) and highs can soar to 34°C (94°F). Expect about 81 mm (3.2 in) of precipitation spread over 9 days, with an average humidity level of 70%.

April Temperature in Keystone Heights

In April in Keystone Heights, the average temperature is 21°C (70°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 4°C (40°F). It's a great time for travelers to enjoy a mix of warm days and cooler evenings, making it perfect for outdoor activities and sightseeing.

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

The chart illustrates April temperature patterns in Keystone Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keystone Heights, April typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec576365707679818180756459
Data source: Temperature data for Keystone 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 Keystone Heights

In Keystone Heights in April, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

April Precipitation Trends in Keystone Heights

The chart displays monthly precipitation patterns in Keystone 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 Keystone Heights, April typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec44624181103163190177133786280
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Keystone Heights

In Keystone Heights in April, humidity is 70%. With an average temperature of 21°C (70°F), this humidity feels like a warm, muggy embrace, making travel slightly uncomfortable, as the air clings to your skin and can leave you feeling sticky and in need of frequent breaks to cool down.

April Average Humidity in Keystone Heights

This chart illustrates the average monthly humidity levels in Keystone 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 Keystone Heights is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%70%68%75%80%81%83%81%82%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Keystone Heights

In Keystone Heights 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 Keystone Heights.

Maximum UV Index Levels in Keystone Heights for April

The chart shows the monthly maximum UV Index (UVI) for Keystone 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 Keystone Heights typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111111110975
Data source: Keystone 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 Keystone Heights Compares to Other Months

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

This table compares monthly weather conditions in Keystone Heights, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)44 mm (1.7 inches)83%moderate
February Weather17°C (63°F)62 mm (2.5 inches)80%very high
March Weather18°C (65°F)41 mm (1.6 inches)75%very high
April Weather21°C (70°F)81 mm (3.2 inches)70%extreme
May Weather24°C (76°F)103 mm (4.1 inches)68%extreme
June Weather26°C (80°F)163 mm (6.4 inches)75%extreme
July Weather27°C (81°F)190 mm (7.5 inches)79%extreme
August Weather27°C (81°F)177 mm (7.0 inches)81%extreme
September Weather26°C (80°F)133 mm (5.2 inches)83%very high
October Weather24°C (75°F)78 mm (3.1 inches)81%very high
November Weather18°C (64°F)62 mm (2.4 inches)82%high
December Weather15°C (60°F)80 mm (3.1 inches)84%moderate

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