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June Weather in Swansea, Australia

Last updated: August 22, 2025

In June, the average temperature in Swansea, Australia hovers around 8°C (47°F), with a minimum dipping as low as -1°C (30°F) and a maximum reaching 17°C (63°F). Expect a precipitation amount of 54 mm (2.1 in) spread over about 7 days, and prepare for a relatively high average humidity of 79%.

June Temperature in Swansea

In June in Swansea, the average temperature is 8°C (47°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -1°C (30°F). This diverse range of temperatures makes it advisable for travelers to pack layers for comfortable exploration.

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

The chart illustrates June temperature patterns in Swansea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swansea, June typically has an average temperature of 8°C (47°F), with highs reaching up to 17°C (63°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec636059545047454649535659
Data source: Temperature data for Swansea 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 Swansea

In Swansea in June, the precipitation amount is 54 mm (2.1 in) over a duration of 7 days.

June Precipitation Trends in Swansea

The chart displays monthly precipitation patterns in Swansea, 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 Swansea, June typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec605966374554254844886772
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Swansea

In Swansea in June, humidity is 79%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

June Average Humidity in Swansea

This chart illustrates the average monthly humidity levels in Swansea, 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 Swansea is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%73%77%78%80%79%81%79%77%75%76%76%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Swansea

In Swansea in June, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Swansea, you can visit Hourly UV Index in Swansea.

Maximum UV Index Levels in Swansea for June

The chart shows the monthly maximum UV Index (UVI) for Swansea 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 Swansea typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13111063224681013
Data source: Swansea 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 Swansea Compares to Other Months

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

This table compares monthly weather conditions in Swansea, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)60 mm (2.4 inches)76%extreme
February Weather16°C (60°F)59 mm (2.3 inches)73%extreme
March Weather15°C (60°F)66 mm (2.6 inches)77%very high
April Weather12°C (55°F)37 mm (1.5 inches)78%high
May Weather10°C (51°F)45 mm (1.8 inches)80%moderate
June Weather8°C (47°F)54 mm (2.1 inches)79%low
July Weather7°C (46°F)25 mm (1.0 inches)80%low
August Weather8°C (46°F)48 mm (1.9 inches)79%moderate
September Weather9°C (49°F)44 mm (1.7 inches)77%high
October Weather11°C (53°F)88 mm (3.4 inches)75%very high
November Weather14°C (57°F)67 mm (2.7 inches)76%very high
December Weather15°C (60°F)72 mm (2.8 inches)76%extreme

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