November Weather in Decatur, United States

Last updated: June 24, 2025

In November, the average temperature in Decatur, United States hovers around 4°C (40°F). However, be prepared for a wide temperature range; it can plummet to a chilling -12°C (10°F) or soar to a balmy 25°C (77°F). Rainfall is common, with an average precipitation of 73 mm (2.9 in) over about 10 days, contributing to an average humidity of 89%.

November Temperature in Decatur

In November in Decatur, the average temperature is 4°C (40°F). Maximums can reach 25°C (77°F) and minimums can be as low as -12°C (10°F). Be prepared for a wide range of temperatures when traveling, as layering your clothing will help you stay comfortable throughout the day.

November Weather in Decatur: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Decatur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Decatur, November typically has an average temperature of 4°C (40°F), with highs reaching up to 25°C (77°F) and lows dropping to around -12°C (10°F).

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

November Precipitation in Decatur

In Decatur in November, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

November Precipitation Trends in Decatur

The chart displays monthly precipitation patterns in Decatur, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Decatur, November typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

November Humidity in Decatur

In Decatur in November humidity is 89%. With an average temperature of 4°C (40°F), this humidity feels like a chilling blanket enveloping you, making travel uncomfortable and damp, as the cold penetrates through your clothes and the air feels heavy and clinging.

November Average Humidity in Decatur

This chart illustrates the average monthly humidity levels in Decatur, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Decatur is approximately 89%, offering insight into how humid the weather typically is during this month.

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

November UV Index in Decatur

In Decatur in November, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Decatur for better planning.

Maximum UV Index Levels in Decatur for November

The chart shows the monthly maximum UV Index (UVI) for Decatur in November, 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 November, the maximum UV index in Decatur typically reaches 4, which falls under the moderate exposure category.

Data source: Decatur November 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 November Weather in Decatur Compares to Other Months

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

This table compares monthly weather conditions in Decatur, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	74 mm (2.9 inches)	85%	moderate
February Weather	-2°C (29°F)	77 mm (3.0 inches)	85%	moderate
March Weather	3°C (39°F)	90 mm (3.5 inches)	86%	high
April Weather	8°C (48°F)	109 mm (4.3 inches)	87%	very high
May Weather	16°C (61°F)	168 mm (6.6 inches)	81%	very high
June Weather	22°C (71°F)	137 mm (5.4 inches)	82%	very high
July Weather	24°C (75°F)	119 mm (4.7 inches)	81%	very high
August Weather	22°C (72°F)	95 mm (3.7 inches)	79%	very high
September Weather	19°C (67°F)	84 mm (3.3 inches)	78%	very high
October Weather	12°C (54°F)	144 mm (5.7 inches)	81%	high
November Weather	4°C (40°F)	73 mm (2.9 inches)	89%	moderate
December Weather	1°C (34°F)	65 mm (2.6 inches)	86%	low