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June Weather in Collinsville, United States

Last updated: June 24, 2025

In June, the average temperature in Collinsville, United States is a comfortable 25°C (76°F). Expect a range from a cool 12°C (54°F) to a warm 34°C (93°F). During this time, 150 mm (5.9 in) of precipitation can be expected over 14 days, contributing to an average humidity of 82%. Enjoy the distinct climate that makes this destination unique!

June Temperature in Collinsville

In June in Collinsville, the average temperature is 25°C (76°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 12°C (54°F). This makes it an ideal time for travelers to enjoy pleasant weather while exploring the area.

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

The chart illustrates June temperature patterns in Collinsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Collinsville, June typically has an average temperature of 25°C (76°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec445056627176807975665147
Data source: Temperature data for Collinsville 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 Collinsville

In Collinsville in June, the total precipitation amount is 150 mm (5.9 in), occurring over a span of 14 days.

June Precipitation Trends in Collinsville

The chart displays monthly precipitation patterns in Collinsville, 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 Collinsville, June typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec12219517415210515010613410913286159
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Collinsville

In Collinsville in June humidity is 82%. With an average temperature of 25°C (76°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting as you navigate through the air that clings to your skin.

June Average Humidity in Collinsville

This chart illustrates the average monthly humidity levels in Collinsville, 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 Collinsville 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 Collinsville

In Collinsville 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 Collinsville.

Maximum UV Index Levels in Collinsville for June

The chart shows the monthly maximum UV Index (UVI) for Collinsville 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 Collinsville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Collinsville 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 Collinsville Compares to Other Months

Weather in Collinsville varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Collinsville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Collinsville, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)122 mm (4.8 inches)87%moderate
February Weather10°C (50°F)195 mm (7.7 inches)87%high
March Weather13°C (56°F)174 mm (6.9 inches)85%very high
April Weather16°C (62°F)152 mm (6.0 inches)82%very high
May Weather22°C (71°F)105 mm (4.1 inches)83%extreme
June Weather25°C (76°F)150 mm (5.9 inches)82%extreme
July Weather26°C (80°F)105 mm (4.2 inches)78%extreme
August Weather26°C (79°F)134 mm (5.3 inches)67%extreme
September Weather24°C (75°F)109 mm (4.3 inches)64%very high
October Weather19°C (66°F)132 mm (5.2 inches)74%very high
November Weather11°C (52°F)86 mm (3.4 inches)87%high
December Weather9°C (48°F)159 mm (6.3 inches)88%moderate

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