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August Weather in Johnson, United States

Last updated: June 24, 2025

In August, the average temperature in Johnson, United States is a pleasant 19°C (67°F). Expect a temperature range between a cool 4°C (40°F) and a warm 32°C (89°F). Be prepared for some rain, as 115 mm (4.5 in) of precipitation is expected over 16 days, contributing to an average humidity of 75%.

August Temperature in Johnson

In August in Johnson, the average temperature is 19°C (67°F), with maximums that can reach 32°C (89°F) and minimums that can drop as low as 4°C (40°F). This diverse range of temperatures makes it essential for travelers to pack accordingly, preparing for both warm days and cooler nights.

August Weather in Johnson: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Johnson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnson, August typically has an average temperature of 19°C (67°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec182028415563696759483323
Data source: Temperature data for Johnson 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.

August Precipitation in Johnson

In Johnson in August, the precipitation amount is 115 mm (4.5 in) over a span of 16 days.

August Precipitation Trends in Johnson

The chart displays monthly precipitation patterns in Johnson, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Johnson, August typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec9792921241091161411158716513193
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Johnson

In Johnson in August humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

August Average Humidity in Johnson

This chart illustrates the average monthly humidity levels in Johnson, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Johnson is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Johnson

In Johnson in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Johnson.

Maximum UV Index Levels in Johnson for August

The chart shows the monthly maximum UV Index (UVI) for Johnson in August, 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 August, the maximum UV index in Johnson typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Johnson August 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 August Weather in Johnson Compares to Other Months

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

This table compares monthly weather conditions in Johnson, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)96 mm (3.8 inches)93%low
February Weather-6°C (21°F)92 mm (3.6 inches)92%moderate
March Weather-2°C (28°F)92 mm (3.6 inches)86%moderate
April Weather5°C (42°F)124 mm (4.9 inches)85%high
May Weather13°C (55°F)109 mm (4.3 inches)80%very high
June Weather17°C (64°F)116 mm (4.6 inches)74%very high
July Weather20°C (69°F)141 mm (5.6 inches)76%very high
August Weather19°C (67°F)115 mm (4.5 inches)75%very high
September Weather15°C (59°F)87 mm (3.4 inches)78%high
October Weather9°C (48°F)165 mm (6.5 inches)86%moderate
November Weather0°C (33°F)131 mm (5.2 inches)88%moderate
December Weather-5°C (23°F)92 mm (3.6 inches)89%low

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