April Weather in Merrill, United States

Last updated: June 24, 2025

In April, the average temperature in Merrill, United States hovers around 8°C (47°F), but be prepared for a range that can dip to a brisk -12°C (10°F) or soar to a warm 29°C (84°F). With an average precipitation of 87 mm (3.4 in) spread across 10 days, and humidity levels reaching 79%, this month brings a mix of cool air and occasional showers.

April Temperature in Merrill

In April in Merrill, the average temperature is 8°C (47°F), with maximums reaching 29°C (84°F) and minimums dipping as low as -12°C (10°F). Therefore, travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates April temperature patterns in Merrill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merrill, April typically has an average temperature of 8°C (47°F), with highs reaching up to 29°C (84°F) and lows dropping to around -12°C (10°F).

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

April Precipitation in Merrill

In Merrill in April, the precipitation amount is 87 mm (3.4 in) over the course of 10 days.

April Precipitation Trends in Merrill

The chart displays monthly precipitation patterns in Merrill, 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 Merrill, April typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Merrill

In Merrill in April, humidity is 79%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

April Average Humidity in Merrill

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

In Merrill 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 Merrill.

Maximum UV Index Levels in Merrill for April

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

Data source: Merrill 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 Merrill Compares to Other Months

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

This table compares monthly weather conditions in Merrill, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	27 mm (1.1 inches)	80%	low
February Weather	-6°C (22°F)	30 mm (1.2 inches)	84%	moderate
March Weather	3°C (37°F)	76 mm (3.0 inches)	75%	moderate
April Weather	8°C (47°F)	87 mm (3.4 inches)	79%	very high
May Weather	16°C (60°F)	142 mm (5.6 inches)	74%	very high
June Weather	23°C (74°F)	105 mm (4.1 inches)	81%	extreme
July Weather	24°C (76°F)	70 mm (2.7 inches)	82%	very high
August Weather	22°C (73°F)	105 mm (4.1 inches)	80%	very high
September Weather	19°C (67°F)	105 mm (4.1 inches)	75%	very high
October Weather	10°C (50°F)	78 mm (3.1 inches)	77%	moderate
November Weather	2°C (37°F)	27 mm (1.1 inches)	85%	moderate
December Weather	-2°C (28°F)	40 mm (1.6 inches)	83%	moderate