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August Weather in Hamilton, United States

Last updated: June 24, 2025

In August, the average temperature in Hamilton, United States is a warm 29°C (85°F), with a range that can dip to a minimum of 19°C (66°F) and peak at a sizzling 40°C (104°F). Visitors should be prepared for approximately 80 mm (3.2 in) of precipitation over 7 days, accompanied by a comfortable average humidity of 63%.

August Temperature in Hamilton

In August in Hamilton, the average temperature is 29°C (85°F). Maximums can reach 40°C (104°F), and minimums can be as low as 19°C (66°F). Be prepared for warm weather and pack accordingly to make the most of your trip!

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 29°C (85°F), with highs reaching up to 40°C (104°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061667481858579685752
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 total precipitation amount is 80 mm (3.2 in) over the course of 7 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 80 mm (3.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec46758079144764480701194242
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 63%. With an average temperature of 29°C (85°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and slightly drained, making it essential to stay hydrated and take breaks in shaded areas.

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 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%77%78%82%78%69%63%66%73%84%87%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112121110864
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 Weather9°C (48°F)46 mm (1.8 inches)78%moderate
February Weather10°C (50°F)75 mm (2.9 inches)78%high
March Weather16°C (61°F)80 mm (3.1 inches)77%very high
April Weather19°C (66°F)79 mm (3.1 inches)78%very high
May Weather24°C (75°F)144 mm (5.7 inches)82%extreme
June Weather27°C (82°F)76 mm (3.0 inches)78%extreme
July Weather30°C (86°F)44 mm (1.7 inches)69%extreme
August Weather29°C (85°F)80 mm (3.2 inches)63%extreme
September Weather26°C (79°F)70 mm (2.8 inches)66%very high
October Weather20°C (68°F)119 mm (4.7 inches)73%very high
November Weather14°C (58°F)42 mm (1.7 inches)84%high
December Weather11°C (53°F)42 mm (1.6 inches)87%moderate

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