October Weather in Merrimac, United States

Last updated: June 24, 2025

In October, the average temperature in Merrimac, United States hovers around 14°C (58°F). Be prepared for a range of conditions: temperatures can dip as low as -2°C (28°F) or soar up to 32°C (90°F). Expect about 96 mm (3.8 in) of precipitation spread over 9 days, contributing to an average humidity of 78%. Stay comfortable and plan accordingly!

October Temperature in Merrimac

In October in Merrimac, the average temperature is 14°C (58°F). The maximum can reach 32°C (90°F), while the minimum can dip as low as -2°C (28°F). This diverse temperature range makes Merrimac an interesting destination for travelers seeking both warm and cool experiences.

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

The chart illustrates October temperature patterns in Merrimac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merrimac, October typically has an average temperature of 14°C (58°F), with highs reaching up to 32°C (90°F) and lows dropping to around -2°C (28°F).

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

October Precipitation in Merrimac

In Merrimac in October, the total precipitation amount is 96 mm (3.8 in) spread over a period of 9 days.

October Precipitation Trends in Merrimac

The chart displays monthly precipitation patterns in Merrimac, 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 Merrimac, October typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Merrimac

In Merrimac in October, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

October Average Humidity in Merrimac

This chart illustrates the average monthly humidity levels in Merrimac, 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 Merrimac is approximately 78%, 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 Merrimac

In Merrimac in October, 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 Merrimac.

Maximum UV Index Levels in Merrimac for October

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

Data source: Merrimac 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 Merrimac Compares to Other Months

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

This table compares monthly weather conditions in Merrimac, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	68 mm (2.7 inches)	87%	moderate
February Weather	5°C (41°F)	113 mm (4.4 inches)	87%	high
March Weather	7°C (46°F)	85 mm (3.3 inches)	86%	very high
April Weather	12°C (54°F)	104 mm (4.1 inches)	84%	very high
May Weather	17°C (63°F)	115 mm (4.5 inches)	83%	extreme
June Weather	21°C (70°F)	83 mm (3.3 inches)	83%	extreme
July Weather	23°C (74°F)	57 mm (2.3 inches)	79%	extreme
August Weather	22°C (73°F)	74 mm (2.9 inches)	66%	very high
September Weather	20°C (68°F)	95 mm (3.7 inches)	68%	very high
October Weather	14°C (58°F)	96 mm (3.8 inches)	78%	high
November Weather	6°C (44°F)	63 mm (2.5 inches)	89%	moderate
December Weather	4°C (40°F)	87 mm (3.4 inches)	86%	moderate