June Weather in Rock Island, United States

Last updated: June 24, 2025

In Rock Island, United States, the average temperature in June hovers around 23°C (74°F). Expect a minimum of 10°C (51°F) and a maximum of 34°C (94°F) throughout the month. You might want to prepare for some rain, as precipitation amounts to 131 mm (5.2 in) over 11 days, with an average humidity level of 81%. Enjoy the warm, yet occasionally wet, climate!

June Temperature in Rock Island

In June in Rock Island, the average temperature is 23°C (74°F). Maximum temperatures can reach up to 34°C (94°F), while the minimum can drop as low as 10°C (51°F). This makes Rock Island an ideal destination for travelers seeking a mix of warm days and cooler nights.

June Weather in Rock Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Rock Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rock Island, June typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (94°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec242640496373777468543932
Data source: Temperature data for Rock Island 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 Rock Island

In Rock Island in June, the precipitation amount is 131 mm (5.2 in) distributed over 11 days.

June Precipitation Trends in Rock Island

The chart displays monthly precipitation patterns in Rock Island, 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 Rock Island, June typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec54609110514713183751071215049
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Rock Island

In Rock Island in June, humidity is 81%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket draped over your skin, making travel feel a bit more sluggish and requiring plenty of water breaks to stay comfortable.

June Average Humidity in Rock Island

This chart illustrates the average monthly humidity levels in Rock Island, 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 Rock Island is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Rock Island

In Rock Island 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 Rock Island.

Maximum UV Index Levels in Rock Island for June

The chart shows the monthly maximum UV Index (UVI) for Rock Island 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 Rock Island typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
Data source: Rock Island 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 Rock Island Compares to Other Months

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

This table compares monthly weather conditions in Rock Island, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)54 mm (2.1 inches)81%moderate
February Weather-3°C (27°F)60 mm (2.3 inches)81%moderate
March Weather4°C (40°F)91 mm (3.6 inches)81%high
April Weather10°C (50°F)105 mm (4.1 inches)82%very high
May Weather17°C (63°F)147 mm (5.8 inches)78%very high
June Weather23°C (74°F)131 mm (5.2 inches)81%extreme
July Weather25°C (77°F)83 mm (3.3 inches)79%very high
August Weather23°C (74°F)75 mm (2.9 inches)77%very high
September Weather20°C (69°F)107 mm (4.2 inches)78%very high
October Weather12°C (54°F)121 mm (4.8 inches)78%high
November Weather4°C (39°F)50 mm (2.0 inches)87%moderate
December Weather0°C (32°F)48 mm (1.9 inches)84%low

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