October Weather in Merrill, United States

Last updated: June 24, 2025

In October, the average temperature in Merrill, United States is a comfortable 10°C (50°F). However, be prepared for a wide range of temperatures, with the minimum dipping to -10°C (15°F) and the maximum soaring to 31°C (88°F). Expect about 78 mm (3.1 in) of precipitation spread over 9 days, and a notable average humidity of 77%. Be ready for an exciting mix of weather!

October Temperature in Merrill

In October in Merrill, the average temperature is 10°C (50°F). Maximum temperatures can reach as high as 31°C (88°F), while minimum temperatures can drop to as low as -10°C (15°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

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

The chart illustrates October 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, October typically has an average temperature of 10°C (50°F), with highs reaching up to 31°C (88°F) and lows dropping to around -10°C (15°F).

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

October Precipitation in Merrill

In Merrill in October, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.

October Precipitation Trends in Merrill

The chart displays monthly precipitation patterns in Merrill, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Merrill, October typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Merrill

In Merrill in October, humidity is 77%. With an average temperature of 10°C (50°F), this humidity feels like a thick, heavy blanket enveloping you, making travel uncomfortable and sticky, as it clings to your skin and clothes, turning each step into a challenge.

October Average Humidity in Merrill

This chart illustrates the average monthly humidity levels in Merrill, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Merrill is approximately 77%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Merrill

In Merrill in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Merrill.

Maximum UV Index Levels in Merrill for October

The chart shows the monthly maximum UV Index (UVI) for Merrill in October, 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 October, the maximum UV index in Merrill typically reaches 5, which falls under the moderate exposure category.

Data source: Merrill October 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 October 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 October’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 October’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