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July Weather in McHenry, United States

Last updated: June 24, 2025

In July, the average temperature in McHenry, United States is a pleasant 24°C (75°F). Throughout the month, temperatures can dip as low as 13°C (56°F) and rise to a toasty 35°C (95°F). Expect 91 mm (3.6 in) of precipitation spread over 12 days, and prepare for a humid atmosphere with an average humidity of 78%.

July Temperature in McHenry

In July in McHenry, the average temperature is 24°C (75°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy a pleasant climate while exploring the area.

July Weather in McHenry: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in McHenry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McHenry, July typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec242638475970757267533832
Data source: Temperature data for McHenry 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.

July Precipitation in McHenry

In McHenry in July, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.

July Precipitation Trends in McHenry

The chart displays monthly precipitation patterns in McHenry, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In McHenry, July typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6159711151631149191891215053
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in McHenry

In McHenry in July humidity is 78%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapping around you, making travel sticky and heavy but also inviting, as long as you're prepared with plenty of water and light clothing.

July Average Humidity in McHenry

This chart illustrates the average monthly humidity levels in McHenry, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in McHenry is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in McHenry

In McHenry in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in McHenry.

Maximum UV Index Levels in McHenry for July

The chart shows the monthly maximum UV Index (UVI) for McHenry in July, 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 July, the maximum UV index in McHenry typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: McHenry July 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 July Weather in McHenry Compares to Other Months

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

This table compares monthly weather conditions in McHenry, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)61 mm (2.4 inches)85%moderate
February Weather-3°C (27°F)59 mm (2.3 inches)85%moderate
March Weather3°C (38°F)71 mm (2.8 inches)85%high
April Weather8°C (47°F)114 mm (4.5 inches)85%very high
May Weather15°C (60°F)163 mm (6.4 inches)78%very high
June Weather21°C (71°F)114 mm (4.5 inches)80%very high
July Weather24°C (75°F)91 mm (3.6 inches)78%very high
August Weather22°C (73°F)91 mm (3.6 inches)76%very high
September Weather19°C (67°F)89 mm (3.5 inches)79%very high
October Weather12°C (54°F)121 mm (4.8 inches)83%moderate
November Weather3°C (38°F)50 mm (2.0 inches)88%moderate
December Weather0°C (32°F)53 mm (2.1 inches)81%low

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