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August Weather in Hamilton, United States

Last updated: June 24, 2025

In August, the average temperature in Hamilton, United States hovers around 17°C (62°F), offering a pleasant climate for outdoor activities. However, be prepared for temperature fluctuations, as it can drop to a cool 1°C (34°F) or rise to a warm 35°C (96°F). Expect about 32 mm (1.2 in) of precipitation spread over 6 days, contributing to an average humidity level of 66%. Whether you're packing a light jacket or planning a sun-soaked adventure, this month in Hamilton has something for everyone!

August Temperature in Hamilton

In August in Hamilton, the average temperature is 17°C (62°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 1°C (34°F). This varied climate makes Hamilton an ideal destination for travelers seeking diverse weather experiences.

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

The chart illustrates August temperature patterns in Hamilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamilton, August typically has an average temperature of 17°C (62°F), with highs reaching up to 35°C (96°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec212130344354646252362720
Data source: Temperature data for Hamilton 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 Hamilton

In Hamilton in August, the precipitation amount is 32 mm (1.2 in), which occurs over a span of 6 days.

August Precipitation Trends in Hamilton

The chart displays monthly precipitation patterns in Hamilton, 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 Hamilton, August typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec6513882887694263245858188
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Hamilton

In Hamilton in August, humidity is 66%. With an average temperature of 17°C (62°F), this humidity feels like a mild embrace, making it comfortable for exploring, yet slightly sticky, urging travelers to stay hydrated while enjoying the sights.

August Average Humidity in Hamilton

This chart illustrates the average monthly humidity levels in Hamilton, 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 Hamilton is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Hamilton

In Hamilton 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 Hamilton.

Maximum UV Index Levels in Hamilton for August

The chart shows the monthly maximum UV Index (UVI) for Hamilton 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 Hamilton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246810101098532
Data source: Hamilton 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 Hamilton Compares to Other Months

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

This table compares monthly weather conditions in Hamilton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)65 mm (2.6 inches)93%low
February Weather-6°C (21°F)138 mm (5.4 inches)92%moderate
March Weather-1°C (30°F)82 mm (3.2 inches)89%high
April Weather1°C (34°F)88 mm (3.4 inches)85%very high
May Weather6°C (43°F)76 mm (3.0 inches)80%very high
June Weather12°C (54°F)94 mm (3.7 inches)78%very high
July Weather18°C (64°F)26 mm (1.0 inches)77%very high
August Weather17°C (62°F)32 mm (1.2 inches)66%very high
September Weather11°C (53°F)45 mm (1.8 inches)67%very high
October Weather2°C (37°F)85 mm (3.4 inches)77%moderate
November Weather-3°C (27°F)81 mm (3.2 inches)89%moderate
December Weather-7°C (20°F)88 mm (3.5 inches)95%low

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