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June Weather in Jamestown, Australia

Last updated: August 22, 2025

In June, the average temperature in Jamestown, Australia hovers around 9°C (48°F), with a minimum dipping to -1°C (31°F) and a maximum reaching up to 21°C (71°F). You'll experience moderate rainfall, with 34 mm (1.3 in) of precipitation spread across 5 days. The average humidity stands at a comfortable 71%, making it a pleasant time to explore the area.

June Temperature in Jamestown

In June in Jamestown, the average temperature is 9°C (48°F). The maximum can reach 21°C (71°F), and the minimum can be as low as -1°C (31°F). It's a month where travelers should prepare for a mix of mild and chilly weather, making it ideal for layering outfits.

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

The chart illustrates June 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, June typically has an average temperature of 9°C (48°F), with highs reaching up to 21°C (71°F) and lows dropping to around -1°C (31°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.

June Precipitation in Jamestown

In Jamestown in June, the precipitation amount is 34 mm (1.3 in) over the course of 5 days.

June Precipitation Trends in Jamestown

The chart displays monthly precipitation patterns in Jamestown, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Jamestown, June typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec14228263134345129343922
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Jamestown

In Jamestown in June humidity is 71%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor exploration brisk and invigorating, yet slightly uncomfortable unless you’re dressed warmly.

June Average Humidity in Jamestown

This chart illustrates the average monthly humidity levels in Jamestown, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Jamestown is approximately 71%, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Jamestown

In Jamestown in June, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Jamestown for better planning.

Maximum UV Index Levels in Jamestown for June

The chart shows the monthly maximum UV Index (UVI) for Jamestown in June, 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 June, the maximum UV index in Jamestown typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412964468111316
Data source: Jamestown June 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 June 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 June’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 June’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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