February Weather in Decatur, United States

Last updated: June 24, 2025

In February, the average temperature in Decatur, United States hovers around 9°C (48°F). However, temperatures can fluctuate dramatically, with a minimum of -21°C (-5°F) and soaring to a maximum of 31°C (89°F). Be prepared for rain, as the region experiences an average precipitation of 78 mm (3.1 in) over about 9 days. Don't forget, the average humidity is quite high at 76%, so pack accordingly!

February Temperature in Decatur

In February in Decatur, the average temperature is 9°C (48°F), with maximums reaching up to 31°C (89°F) and minimums dropping as low as -21°C (-5°F). Be prepared for a wide range of temperatures while traveling to Decatur during this time.

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 9°C (48°F), with highs reaching up to 31°C (89°F) and lows dropping to around -21°C (-5°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 78 mm (3.1 in) over the course of 9 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 78 mm (3.1 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Decatur

In Decatur in February humidity is 76%. With an average temperature of 9°C (48°F), this humidity feels like a chilly embrace, making outdoor activities feel damp and brisk, potentially leaving you feeling colder than the temperature suggests.

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 76%, 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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Decatur, you can refer to this 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 6, which falls under the high 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	7°C (45°F)	51 mm (2.0 inches)	77%	moderate
February Weather	9°C (48°F)	78 mm (3.1 inches)	76%	high
March Weather	15°C (59°F)	85 mm (3.3 inches)	74%	very high
April Weather	18°C (64°F)	91 mm (3.6 inches)	75%	very high
May Weather	23°C (74°F)	135 mm (5.3 inches)	80%	extreme
June Weather	27°C (81°F)	86 mm (3.4 inches)	80%	extreme
July Weather	29°C (85°F)	44 mm (1.7 inches)	75%	extreme
August Weather	29°C (84°F)	82 mm (3.2 inches)	67%	extreme
September Weather	26°C (78°F)	81 mm (3.2 inches)	64%	very high
October Weather	19°C (67°F)	121 mm (4.8 inches)	70%	very high
November Weather	13°C (55°F)	50 mm (2.0 inches)	82%	high
December Weather	10°C (50°F)	49 mm (1.9 inches)	85%	moderate