June Weather in Decatur, United States

Last updated: June 24, 2025

In June, the average temperature in Decatur, United States is a pleasant 26°C (79°F). However, be prepared for a range; temperatures can dip to a minimum of 14°C (57°F) and soar to a maximum of 36°C (97°F). With precipitation totaling 163 mm (6.4 in) over 14 days, expect some wet weather. The air tends to be quite humid, with an average humidity level of 79%.

June Temperature in Decatur

In June in Decatur, the average temperature is 26°C (79°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 14°C (57°F). This makes Decatur an ideal destination for travelers seeking warm weather with comfortable evenings.

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

The chart illustrates June 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, June typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (57°F).

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

June Precipitation in Decatur

In Decatur in June, the total precipitation amount is 163 mm (6.4 in) over the course of 14 days.

June Precipitation Trends in Decatur

The chart displays monthly precipitation patterns in Decatur, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Decatur, June typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Decatur

In Decatur in June humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

June Average Humidity in Decatur

This chart illustrates the average monthly humidity levels in Decatur, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Decatur is approximately 79%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Decatur

In Decatur in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Decatur.

Maximum UV Index Levels in Decatur for June

The chart shows the monthly maximum UV Index (UVI) for Decatur in June, 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 June, the maximum UV index in Decatur typically reaches 11, which falls under the extreme exposure category.

Data source: Decatur June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	105 mm (4.1 inches)	85%	moderate
February Weather	12°C (54°F)	156 mm (6.1 inches)	84%	high
March Weather	16°C (60°F)	116 mm (4.6 inches)	82%	very high
April Weather	18°C (65°F)	136 mm (5.4 inches)	82%	extreme
May Weather	23°C (74°F)	122 mm (4.8 inches)	82%	extreme
June Weather	26°C (79°F)	163 mm (6.4 inches)	79%	extreme
July Weather	27°C (81°F)	121 mm (4.8 inches)	82%	extreme
August Weather	27°C (81°F)	127 mm (5.0 inches)	77%	extreme
September Weather	25°C (78°F)	95 mm (3.8 inches)	74%	very high
October Weather	20°C (69°F)	100 mm (3.9 inches)	73%	very high
November Weather	13°C (55°F)	70 mm (2.7 inches)	85%	high
December Weather	11°C (52°F)	121 mm (4.8 inches)	88%	moderate