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June Weather in Decatur, United States

Last updated: June 24, 2025

In June, the average temperature in Decatur, United States is a warm 27°C (81°F). Expect a minimum of 16°C (61°F) and a maximum of 38°C (101°F), making it ideal for outdoor activities. However, prepare for some wet days, as 86 mm (3.4 in) of precipitation can fall over a span of 7 days. With an average humidity of 80%, the air will feel quite tropical!

June Temperature in Decatur

In June in Decatur, the average temperature is 27°C (81°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 16°C (61°F). This pleasant climate makes it an ideal time to explore and enjoy outdoor activities in Decatur.

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 27°C (81°F), with highs reaching up to 38°C (101°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec454859647481858478665550
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 total precipitation amount is 86 mm (3.4 in) over a span of 7 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 86 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec51788591135864482811215049
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 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
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 (45°F)51 mm (2.0 inches)77%moderate
February Weather9°C (48°F)78 mm (3.1 inches)76%high
March Weather15°C (59°F)85 mm (3.3 inches)74%very high
April Weather18°C (64°F)91 mm (3.6 inches)75%very high
May Weather23°C (74°F)135 mm (5.3 inches)80%extreme
June Weather27°C (81°F)86 mm (3.4 inches)80%extreme
July Weather29°C (85°F)44 mm (1.7 inches)75%extreme
August Weather29°C (84°F)82 mm (3.2 inches)67%extreme
September Weather26°C (78°F)81 mm (3.2 inches)64%very high
October Weather19°C (67°F)121 mm (4.8 inches)70%very high
November Weather13°C (55°F)50 mm (2.0 inches)82%high
December Weather10°C (50°F)49 mm (1.9 inches)85%moderate

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