April Weather in Alpena, United States

Last updated: June 24, 2025

In April, the average temperature in Alpena, United States hovers around 4°C (39°F), but it can swing from a chilly -12°C (11°F) to a surprisingly warm 22°C (71°F). During this time, expect about 94 mm (3.7 in) of precipitation over approximately 12 days, creating a damp atmosphere with an average humidity of 85%.

April Temperature in Alpena

In April in Alpena, the average temperature is 4°C (39°F). Maximum temperatures can reach up to 22°C (71°F), while minimum temperatures can drop as low as -12°C (11°F). It's advisable to pack a variety of clothing to stay comfortable during your travels.

April Weather in Alpena: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Alpena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alpena, April typically has an average temperature of 4°C (39°F), with highs reaching up to 22°C (71°F) and lows dropping to around -12°C (11°F).

Data source: Temperature data for Alpena generated using information from the Copernicus Climate Change Service.

April Precipitation in Alpena

In Alpena in April, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

April Precipitation Trends in Alpena

The chart displays monthly precipitation patterns in Alpena, 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 Alpena, April typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Alpena

In Alpena in April, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.

April Average Humidity in Alpena

This chart illustrates the average monthly humidity levels in Alpena, 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 Alpena is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Alpena

In Alpena in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Alpena.

Maximum UV Index Levels in Alpena for April

The chart shows the monthly maximum UV Index (UVI) for Alpena 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 Alpena typically reaches 7, which falls under the high exposure category.

Data source: Alpena 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 Alpena Compares to Other Months

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

This table compares monthly weather conditions in Alpena, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	52 mm (2.0 inches)	92%	low
February Weather	-5°C (23°F)	56 mm (2.2 inches)	91%	moderate
March Weather	-1°C (31°F)	61 mm (2.4 inches)	87%	moderate
April Weather	4°C (39°F)	94 mm (3.7 inches)	85%	high
May Weather	10°C (51°F)	84 mm (3.3 inches)	79%	very high
June Weather	16°C (61°F)	91 mm (3.6 inches)	75%	very high
July Weather	20°C (69°F)	86 mm (3.4 inches)	75%	very high
August Weather	20°C (68°F)	84 mm (3.3 inches)	75%	very high
September Weather	16°C (61°F)	77 mm (3.0 inches)	79%	high
October Weather	10°C (50°F)	108 mm (4.3 inches)	85%	moderate
November Weather	3°C (37°F)	67 mm (2.6 inches)	88%	moderate
December Weather	-2°C (29°F)	62 mm (2.4 inches)	89%	low