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June Weather in Decatur, United States

Last updated: June 24, 2025

The average temperature in Decatur, United States during June is a comfortable 25°C (77°F), with minimums dropping to 13°C (56°F) and maximums reaching up to 34°C (93°F). Expect 147 mm (5.8 in) of precipitation over approximately 15 days, contributing to an average humidity of 82%. Plan accordingly!

June Temperature in Decatur

In June in Decatur, the average temperature is 25°C (77°F). Maximums can reach 34°C (93°F) and minimums can be as low as 13°C (56°F). This pleasant climate makes it an ideal time for traveling and exploring all that Decatur has to offer.

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 25°C (77°F), with highs reaching up to 34°C (93°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec444956627277808075665148
Data source: Temperature data for Decatur generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Decatur

In Decatur in June, the precipitation amount is 147 mm (5.8 in) over a span of 15 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 147 mm (5.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec11018117814610814710511211112274152
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Decatur

In Decatur in June, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
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.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109754
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.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)110 mm (4.3 inches)87%moderate
February Weather10°C (50°F)181 mm (7.1 inches)87%high
March Weather13°C (56°F)178 mm (7.0 inches)85%very high
April Weather17°C (62°F)146 mm (5.8 inches)82%very high
May Weather22°C (72°F)108 mm (4.2 inches)83%extreme
June Weather25°C (77°F)147 mm (5.8 inches)82%extreme
July Weather27°C (81°F)105 mm (4.1 inches)78%extreme
August Weather26°C (80°F)112 mm (4.4 inches)67%very high
September Weather24°C (76°F)111 mm (4.4 inches)64%very high
October Weather19°C (66°F)122 mm (4.8 inches)74%high
November Weather11°C (51°F)74 mm (2.9 inches)87%moderate
December Weather9°C (48°F)152 mm (6.0 inches)88%moderate

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