April Weather in DeKalb, United States

Last updated: June 24, 2025

In April, the average temperature in DeKalb, United States hovers around 9°C (48°F), with a minimum drop to -8°C (17°F) and a maximum rise to 28°C (83°F). Expect 111 mm (4.4 in) of precipitation spread over 13 days, contributing to a high average humidity of 85%. Be prepared for a mix of chilly and warm days!

April Temperature in DeKalb

In April in DeKalb, the average temperature is 9°C (48°F), with maximums reaching 28°C (83°F) and minimums dropping as low as -8°C (17°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates April temperature patterns in DeKalb, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In DeKalb, April typically has an average temperature of 9°C (48°F), with highs reaching up to 28°C (83°F) and lows dropping to around -8°C (17°F).

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

April Precipitation in DeKalb

In DeKalb in April, the precipitation amount reaches 111 mm (4.4 in) over the course of 13 days.

April Precipitation Trends in DeKalb

The chart displays monthly precipitation patterns in DeKalb, 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 DeKalb, April typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 13 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 DeKalb

In DeKalb in April humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

April Average Humidity in DeKalb

This chart illustrates the average monthly humidity levels in DeKalb, 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 DeKalb 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 DeKalb

In DeKalb 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 DeKalb.

Maximum UV Index Levels in DeKalb for April

The chart shows the monthly maximum UV Index (UVI) for DeKalb 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 DeKalb typically reaches 8, which falls under the very high exposure category.

Data source: DeKalb 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 DeKalb Compares to Other Months

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

This table compares monthly weather conditions in DeKalb, 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 (24°F)	60 mm (2.4 inches)	82%	moderate
February Weather	-4°C (26°F)	58 mm (2.3 inches)	83%	moderate
March Weather	4°C (39°F)	78 mm (3.1 inches)	84%	high
April Weather	9°C (48°F)	111 mm (4.4 inches)	85%	very high
May Weather	16°C (61°F)	169 mm (6.7 inches)	79%	very high
June Weather	22°C (72°F)	128 mm (5.1 inches)	82%	very high
July Weather	24°C (75°F)	88 mm (3.5 inches)	80%	very high
August Weather	22°C (73°F)	83 mm (3.3 inches)	81%	very high
September Weather	19°C (67°F)	107 mm (4.2 inches)	80%	very high
October Weather	12°C (54°F)	122 mm (4.8 inches)	82%	high
November Weather	3°C (38°F)	52 mm (2.0 inches)	88%	moderate
December Weather	0°C (32°F)	49 mm (1.9 inches)	84%	low