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August Weather in Johnstonville, United States

Last updated: June 24, 2025

In August, the average temperature in Johnstonville, United States hovers around a comfortable 23°C (73°F). Expect minimums to dip to 8°C (47°F), while highs can soar to 37°C (98°F). With an average humidity of 42% and just 7 mm (0.3 in) of precipitation over 2 days, it's a great time to enjoy the outdoors!

August Temperature in Johnstonville

In August in Johnstonville, the average temperature is 23°C (73°F). Maximums can reach 37°C (98°F) and minimums can be as low as 8°C (47°F). This makes Johnstonville a delightful destination for travelers looking to enjoy warm weather, while also being prepared for cooler evenings.

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

The chart illustrates August temperature patterns in Johnstonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnstonville, August typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (98°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec323337465566757364504031
Data source: Temperature data for Johnstonville 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 Johnstonville

In Johnstonville in August, the precipitation amount is 7 mm (0.3 in) over a period of 2 days.

August Precipitation Trends in Johnstonville

The chart displays monthly precipitation patterns in Johnstonville, 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 Johnstonville, August typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec8893753840107717323963
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Johnstonville

In Johnstonville in August, humidity is 42%. With an average temperature of 23°C (73°F), this humidity feels like a pleasant warmth that subtly envelops you, making it an ideal environment for exploring the sights and enjoying outdoor activities without feeling sticky or overly sticky.

August Average Humidity in Johnstonville

This chart illustrates the average monthly humidity levels in Johnstonville, 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 Johnstonville is approximately 42%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Johnstonville

In Johnstonville in August, 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 Johnstonville.

Maximum UV Index Levels in Johnstonville for August

The chart shows the monthly maximum UV Index (UVI) for Johnstonville 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 Johnstonville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111211119743
Data source: Johnstonville 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 Johnstonville Compares to Other Months

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

This table compares monthly weather conditions in Johnstonville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)88 mm (3.5 inches)86%moderate
February Weather0°C (33°F)93 mm (3.7 inches)87%moderate
March Weather3°C (38°F)75 mm (3.0 inches)86%very high
April Weather8°C (47°F)38 mm (1.5 inches)83%very high
May Weather13°C (56°F)40 mm (1.6 inches)72%extreme
June Weather19°C (67°F)10 mm (0.4 inches)67%extreme
July Weather24°C (75°F)7 mm (0.3 inches)56%extreme
August Weather23°C (73°F)7 mm (0.3 inches)42%extreme
September Weather18°C (64°F)16 mm (0.6 inches)46%very high
October Weather10°C (51°F)32 mm (1.2 inches)67%high
November Weather5°C (41°F)39 mm (1.5 inches)86%moderate
December Weather-1°C (31°F)63 mm (2.5 inches)86%moderate

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