October Weather in Granite Falls, United States

Last updated: June 24, 2025

In Granite Falls, United States, the average temperature in October hovers around 9°C (48°F). The weather can be quite the rollercoaster, with a minimum dip to -16°C (3°F) and an occasional peak reaching 30°C (86°F). Expect about 93 mm (3.7 in) of precipitation spread over 9 days, contributing to an average humidity of 82%.

October Temperature in Granite Falls

In October in Granite Falls, the average temperature is 9°C (48°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures during this time.

October Weather in Granite Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Granite Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Granite Falls, October typically has an average temperature of 9°C (48°F), with highs reaching up to 30°C (86°F) and lows dropping to around -16°C (3°F).

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

October Precipitation in Granite Falls

In Granite Falls in October, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

October Precipitation Trends in Granite Falls

The chart displays monthly precipitation patterns in Granite Falls, 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 Granite Falls, October typically receives around 93 mm (3.7 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 Granite Falls

In Granite Falls in October, humidity is 82%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers for your travels while keeping an umbrella handy for unexpected drizzles.

October Average Humidity in Granite Falls

This chart illustrates the average monthly humidity levels in Granite Falls, 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 Granite Falls is approximately 82%, 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 Granite Falls

In Granite Falls 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 Granite Falls.

Maximum UV Index Levels in Granite Falls for October

The chart shows the monthly maximum UV Index (UVI) for Granite Falls 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 Granite Falls typically reaches 5, which falls under the moderate exposure category.

Data source: Granite Falls 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 Granite Falls Compares to Other Months

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

This table compares monthly weather conditions in Granite Falls, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	21 mm (0.8 inches)	85%	moderate
February Weather	-9°C (16°F)	23 mm (0.9 inches)	89%	moderate
March Weather	0°C (33°F)	57 mm (2.3 inches)	81%	moderate
April Weather	6°C (43°F)	76 mm (3.0 inches)	82%	high
May Weather	15°C (59°F)	110 mm (4.3 inches)	76%	very high
June Weather	22°C (72°F)	86 mm (3.4 inches)	81%	very high
July Weather	23°C (74°F)	108 mm (4.3 inches)	82%	very high
August Weather	21°C (71°F)	125 mm (4.9 inches)	83%	very high
September Weather	18°C (65°F)	107 mm (4.2 inches)	82%	high
October Weather	9°C (48°F)	93 mm (3.7 inches)	82%	moderate
November Weather	1°C (34°F)	27 mm (1.1 inches)	87%	moderate
December Weather	-5°C (24°F)	39 mm (1.6 inches)	84%	low