April Weather in Marion, United States

Last updated: June 24, 2025

In Marion, United States, the average temperature for April hovers around 7°C (45°F). However, temperatures can fluctuate dramatically, ranging from a chilling -18°C (0°F) to a warm 30°C (85°F). The month usually sees about 77 mm (3.0 in) of precipitation spread over 9 days, contributing to an average humidity of 79%.

April Temperature in Marion

In April in Marion, the average temperature is 7°C (45°F), with maximums reaching 30°C (85°F) and minimums dropping as low as -18°C (0°F). This diverse temperature range makes it essential to pack accordingly for a visit to Marion during this time.

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

The chart illustrates April temperature patterns in Marion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marion, April typically has an average temperature of 7°C (45°F), with highs reaching up to 30°C (85°F) and lows dropping to around -18°C (0°F).

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

April Precipitation in Marion

In Marion in April, the precipitation amount is 77 mm (3.0 in) over the course of 9 days.

April Precipitation Trends in Marion

The chart displays monthly precipitation patterns in Marion, 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 Marion, April typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 9 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 Marion

In Marion in April humidity is 79%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor explorations uncomfortable and requiring extra layers for warmth while you navigate through the misty air.

April Average Humidity in Marion

This chart illustrates the average monthly humidity levels in Marion, 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 Marion is approximately 79%, 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 Marion

In Marion 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 Marion.

Maximum UV Index Levels in Marion for April

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

Data source: Marion 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 Marion Compares to Other Months

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

This table compares monthly weather conditions in Marion, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	20 mm (0.8 inches)	80%	low
February Weather	-7°C (20°F)	22 mm (0.9 inches)	84%	moderate
March Weather	2°C (35°F)	64 mm (2.5 inches)	75%	moderate
April Weather	7°C (45°F)	77 mm (3.0 inches)	79%	very high
May Weather	15°C (59°F)	124 mm (4.9 inches)	74%	very high
June Weather	23°C (73°F)	82 mm (3.2 inches)	81%	extreme
July Weather	24°C (76°F)	85 mm (3.4 inches)	82%	very high
August Weather	22°C (72°F)	95 mm (3.8 inches)	80%	very high
September Weather	19°C (66°F)	100 mm (3.9 inches)	75%	very high
October Weather	9°C (48°F)	76 mm (3.0 inches)	77%	moderate
November Weather	2°C (35°F)	24 mm (0.9 inches)	85%	moderate
December Weather	-3°C (26°F)	38 mm (1.5 inches)	83%	low