April Weather in Black Forest, United States

Last updated: June 24, 2025

In April, the average temperature in Black Forest, United States hovers around 6°C (42°F). Expect temperatures to fluctuate between a frigid -18°C (0°F) at their lowest and a pleasant 27°C (80°F) at their peak. During this period, the area experiences 47 mm (1.9 in) of precipitation spread across 11 days, accompanied by an average humidity of 62%. Prepare accordingly!

April Temperature in Black Forest

In April, in Black Forest, the average temperature is 6°C (42°F). The maximum can reach 27°C (80°F), and the minimum can be as low as -18°C (0°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

April Weather in Black Forest: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Black Forest, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black Forest, April typically has an average temperature of 6°C (42°F), with highs reaching up to 27°C (80°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec262535425264686761453528
Data source: Temperature data for Black Forest 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 Black Forest

In Black Forest in April, the total precipitation amount is 47 mm (1.9 in) over the course of 11 days.

April Precipitation Trends in Black Forest

The chart displays monthly precipitation patterns in Black Forest, 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 Black Forest, April typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec152455488645855336382011
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Black Forest

In Black Forest in April, humidity is 62%. With an average temperature of 6°C (42°F), this humidity feels like a brisk embrace, which can make travel invigorating yet slightly uncomfortable as the damp air seeps into your clothes, reminding you to dress in layers for both warmth and comfort.

April Average Humidity in Black Forest

This chart illustrates the average monthly humidity levels in Black Forest, 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 Black Forest is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%66%62%74%76%75%80%79%77%74%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Black Forest

In Black Forest 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 Black Forest.

Maximum UV Index Levels in Black Forest for April

The chart shows the monthly maximum UV Index (UVI) for Black Forest 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 Black Forest typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121110754
Data source: Black Forest 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 Black Forest Compares to Other Months

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

This table compares monthly weather conditions in Black Forest, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)15 mm (0.6 inches)74%moderate
February Weather-4°C (25°F)24 mm (0.9 inches)75%high
March Weather2°C (35°F)55 mm (2.2 inches)66%very high
April Weather6°C (42°F)47 mm (1.9 inches)62%extreme
May Weather11°C (52°F)86 mm (3.4 inches)74%extreme
June Weather18°C (64°F)44 mm (1.8 inches)76%extreme
July Weather20°C (68°F)85 mm (3.3 inches)75%extreme
August Weather19°C (67°F)53 mm (2.1 inches)80%extreme
September Weather16°C (61°F)36 mm (1.4 inches)79%very high
October Weather7°C (45°F)38 mm (1.5 inches)77%high
November Weather2°C (36°F)20 mm (0.8 inches)74%moderate
December Weather-2°C (29°F)11 mm (0.4 inches)80%moderate

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