February Weather in Decatur, United States

Last updated: June 24, 2025

In February, the average temperature in Decatur, United States hovers around -2°C (29°F), with extremes ranging from a chilling -26°C (-15°F) to a surprising 18°C (65°F). Expect about 77 mm (3.0 in) of precipitation spread over 12 days, accompanied by a high average humidity of 85%. Be prepared for a mix of cold weather and moisture this month!

February Temperature in Decatur

In February in Decatur, the average temperature is -2°C (29°F), with maximums reaching 18°C (65°F) and minimums dropping as low as -26°C (-15°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates February 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, February typically has an average temperature of -2°C (29°F), with highs reaching up to 18°C (65°F) and lows dropping to around -26°C (-15°F).

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

February Precipitation in Decatur

In Decatur in February, the precipitation amount is 77 mm (3.0 in) spread over 12 days.

February Precipitation Trends in Decatur

The chart displays monthly precipitation patterns in Decatur, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Decatur, February typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Decatur

In Decatur in February, humidity is 85%. With an average temperature of -2°C (29°F), this humidity feels like a chilling, damp blanket that clings to your skin, making travel uncomfortable and often prompting an urgent search for warmth and shelter.

February Average Humidity in Decatur

This chart illustrates the average monthly humidity levels in Decatur, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Decatur is approximately 85%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Decatur

In Decatur in February, 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 Decatur.

Maximum UV Index Levels in Decatur for February

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

Data source: Decatur February 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 February 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 February’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 February’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