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August Weather in Helena Valley Northeast, United States

Last updated: June 24, 2025

In August, the average temperature in Helena Valley Northeast, United States hovers around 20°C (67°F), with minimum temperatures dipping to 4°C (39°F) and maxing out at 37°C (99°F). Expect a precipitation amount of around 23 mm (0.9 in) over the course of 3 days, and enjoy a comfortable average humidity level of 71%.

August Temperature in Helena Valley Northeast

In August in Helena Valley Northeast, the average temperature is 20°C (67°F). Maximums can reach 37°C (99°F) and minimums can be as low as 4°C (39°F). This range makes Helena Valley Northeast an ideal destination for travelers seeking a mix of warm days and cooler evenings.

August Weather in Helena Valley Northeast: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Helena Valley Northeast, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Helena Valley Northeast, August typically has an average temperature of 20°C (67°F), with highs reaching up to 37°C (99°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec211831385060696757413224
Data source: Temperature data for Helena Valley Northeast 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 Helena Valley Northeast

In Helena Valley Northeast in August, the precipitation amount is 23 mm (0.9 in) over the course of 3 days.

August Precipitation Trends in Helena Valley Northeast

The chart displays monthly precipitation patterns in Helena Valley Northeast, 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 Helena Valley Northeast, August typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec194430596478172337352930
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Helena Valley Northeast

In Helena Valley Northeast in August humidity is 71%. With an average temperature of 20°C (67°F), this humidity feels like a warm, enveloping embrace that can make outdoor activities feel a bit sticky, urging travelers to stay hydrated and seek shade during the hottest parts of the day.

August Average Humidity in Helena Valley Northeast

This chart illustrates the average monthly humidity levels in Helena Valley Northeast, 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 Helena Valley Northeast is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%83%78%76%78%77%71%68%72%84%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Helena Valley Northeast

In Helena Valley Northeast 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 Helena Valley Northeast.

Maximum UV Index Levels in Helena Valley Northeast for August

The chart shows the monthly maximum UV Index (UVI) for Helena Valley Northeast 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 Helena Valley Northeast typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Helena Valley Northeast 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 Helena Valley Northeast Compares to Other Months

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

This table compares monthly weather conditions in Helena Valley Northeast, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)19 mm (0.7 inches)87%moderate
February Weather-8°C (18°F)44 mm (1.7 inches)88%moderate
March Weather-1°C (31°F)30 mm (1.2 inches)83%high
April Weather4°C (39°F)59 mm (2.3 inches)78%very high
May Weather10°C (51°F)64 mm (2.5 inches)76%very high
June Weather16°C (60°F)78 mm (3.1 inches)78%very high
July Weather21°C (69°F)17 mm (0.7 inches)77%very high
August Weather20°C (67°F)23 mm (0.9 inches)71%very high
September Weather14°C (57°F)37 mm (1.5 inches)68%very high
October Weather5°C (41°F)35 mm (1.4 inches)72%moderate
November Weather0°C (32°F)29 mm (1.1 inches)84%moderate
December Weather-4°C (25°F)30 mm (1.2 inches)90%low

Compare Helena Valley Northeast's Climate with Cities Worldwide