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May Weather in Jamestown, Australia

Last updated: August 22, 2025

In Jamestown, Australia, the average temperature in May hovers around 12°C (53°F), with a minimum dipping to 1°C (35°F) and a maximum reaching up to 26°C (79°F). Expect some rain with a total precipitation of 31 mm (1.2 in) spread over 6 days. The average humidity sits at a comfortable 69%, making for a refreshing climate.

May Temperature in Jamestown

In May in Jamestown, the average temperature is 12°C (53°F), with maximums reaching up to 26°C (79°F) and minimums dipping as low as 1°C (35°F). This makes it a great time for travelers to enjoy mild weather while exploring the beauty of Jamestown.

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

The chart illustrates May 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, May typically has an average temperature of 12°C (53°F), with highs reaching up to 26°C (79°F) and lows dropping to around 1°C (35°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.

May Precipitation in Jamestown

In Jamestown in May, the precipitation amount is 31 mm (1.2 in) over a span of 6 days.

May Precipitation Trends in Jamestown

The chart displays monthly precipitation patterns in Jamestown, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Jamestown, May typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec14228263134345129343922
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Jamestown

In Jamestown in May, humidity is 69%. With an average temperature of 12°C (53°F), this humidity feels like a cool, damp embrace that can quickly lead to a chill, making it essential for travelers to pack layers and a waterproof jacket to stay comfortable while exploring.

May Average Humidity in Jamestown

This chart illustrates the average monthly humidity levels in Jamestown, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Jamestown is approximately 69%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Jamestown

In Jamestown in May, 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 May

The chart shows the monthly maximum UV Index (UVI) for Jamestown in May, 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 May, the maximum UV index in Jamestown typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412964468111316
Data source: Jamestown May 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 May 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 May’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 May’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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