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August Weather in Jamestown, Australia

Last updated: August 22, 2025

In August, the average temperature in Jamestown, Australia is a crisp 9°C (49°F). Expect to experience a minimum of -1°C (30°F), while temperatures can peak at a pleasant 24°C (75°F). This month typically sees 51 mm (2.0 in) of precipitation spread across 9 days, with an average humidity level of 64%.

August Temperature in Jamestown

In August in Jamestown, the average temperature is 9°C (49°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -1°C (30°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates August temperature patterns in Jamestown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jamestown, August typically has an average temperature of 9°C (49°F), with highs reaching up to 24°C (75°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec747169625348484854606570
Data source: Temperature data for Jamestown 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 Jamestown

In Jamestown in August, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

August Precipitation Trends in Jamestown

The chart displays monthly precipitation patterns in Jamestown, 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 Jamestown, August typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec14228263134345129343922
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Jamestown

In Jamestown in August humidity is 64%. With an average temperature of 9°C (49°F), this humidity feels like a cool, brisk embrace, making travel invigorating yet slightly damp, urging explorers to dress in layers to enjoy the fresh air while avoiding any chill that lingers in the atmosphere.

August Average Humidity in Jamestown

This chart illustrates the average monthly humidity levels in Jamestown, 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 Jamestown is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec30%35%50%60%69%71%72%64%57%40%40%37%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Jamestown

In Jamestown in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Jamestown, you can refer to this Hourly UV Index in Jamestown.

Maximum UV Index Levels in Jamestown for August

The chart shows the monthly maximum UV Index (UVI) for Jamestown 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 Jamestown typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412964468111316
Data source: Jamestown 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 Jamestown Compares to Other Months

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

This table compares monthly weather conditions in Jamestown, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)14 mm (0.5 inches)30%extreme
February Weather22°C (71°F)22 mm (0.9 inches)35%extreme
March Weather20°C (69°F)8 mm (0.3 inches)50%extreme
April Weather17°C (62°F)26 mm (1.0 inches)60%very high
May Weather12°C (53°F)31 mm (1.2 inches)69%high
June Weather9°C (48°F)34 mm (1.3 inches)71%moderate
July Weather9°C (49°F)34 mm (1.3 inches)72%moderate
August Weather9°C (49°F)51 mm (2.0 inches)64%high
September Weather12°C (55°F)29 mm (1.2 inches)57%very high
October Weather16°C (60°F)34 mm (1.3 inches)40%extreme
November Weather18°C (65°F)39 mm (1.5 inches)40%extreme
December Weather21°C (71°F)22 mm (0.9 inches)37%extreme

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