June Weather in Rottnest Island, Australia

Last updated: February 25, 2025

June brings a cool and refreshing climate to Rottnest Island, Australia, characterized by an average temperature of 17°C (63°F). Daytime highs can reach a pleasant 22°C (72°F), while nights dip to a minimum of 11°C (53°F), offering a mix of warm and cool conditions. Visitors should be prepared for wet weather, as the island experiences approximately 158 mm (6.2 in) of precipitation over 13 days, contributing to the lush landscapes. With humidity levels around 77%, the air is thick with a maritime freshness, making June an ideal time to explore the island's natural beauty—just don’t forget your rain gear!

June Temperature in Rottnest Island

In June, Rottnest Island transitions into cooler winter temperatures, with a minimum of 11°C (53°F) and a comfortable average of 17°C (63°F). This month marks a notable dip from the preceding warmer months, as the maximum temperature reaches 22°C (72°F), signifying a shift towards milder weather. As one of the cooler months of the year, June offers a refreshing reprieve from the summer heat while still allowing visitors to enjoy the island's natural beauty. This trend of declining temperatures continues into July and August, emphasizing Rottnest's maritime climate, perfect for cozy beach strolls and exploring its stunning scenery without the summer crowds.

June Weather in Rottnest Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Rottnest Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec717272696563626061636670
Data source: Temperature data for Rottnest Island 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 Rottnest Island

June marks a significant shift in weather patterns on Rottnest Island, with precipitation skyrocketing to 158 mm (6.2 in), making it the wettest month of the year. This surge in rainfall is accompanied by an increase in the number of rainy days, rising to 13 days. Such a dramatic uptick, especially following May’s 80 mm (3.1 in) over 10 days, clearly signals the onset of the winter season as the island transitions into a wetter climate. This pattern continues into July, where precipitation remains high at 143 mm (5.6 in) over 19 rainy days, creating a stark contrast to the drier first half of the year. The trend not only emphasizes the island's seasonal variability but also highlights the role of winter rains in replenishing its natural beauty and ecosystem.

June Precipitation Trends in Rottnest Island

The chart displays monthly precipitation patterns in Rottnest Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec36621925801581431384949278
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Rottnest Island

As winter settles in on Rottnest Island, June marks a notable peak in humidity, reaching 77%—a figure that mirrors the conditions seen in July. This increase follows a gradual rise from a more moderate 52% in January, reflecting a consistent upward trend through the autumn months. April and May witness significant jumps, with humidity climbing from 70% to 72%, laying the groundwork for the peak experienced in June. While the humidity begins to taper off slightly in August, it remains elevated, suggesting that the island experiences a damp winter climate, an important aspect for visitors to consider when planning their activities.

June Average Humidity in Rottnest Island

This chart illustrates the average monthly humidity levels in Rottnest Island, with June's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how June's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec53%55%59%70%72%77%77%75%71%63%56%53%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Rottnest Island

In June, Rottnest Island experiences a moderate UV Index of 4 with a burn time of 30 minutes, marking a noticeable decline from the extreme levels seen in the summer months of January and February, both peaking at 14. This trend continues with a gradual decrease in UV exposure as the year progresses, reflecting a shift toward milder conditions typical of the Southern Hemisphere's winter. As the year unfolds, the UV Index remains low during July as well, emphasizing a period where sun protection is less critical compared to the scorching heights of late spring and summer. However, it’s essential for visitors to stay informed about the UV Index fluctuations throughout the year by checking Rottnest Island UV Index to ensure safe and enjoyable outdoor activities.

Maximum UV Index Levels in Rottnest Island for June

The chart shows the monthly maximum UV Index (UVI) for Rottnest Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec141411964468111314
Data source: Rottnest Island 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.

June Sunshine in Rottnest Island

As June arrives on Rottnest Island, the sunshine begins to wane, with the island basking in 261 hours of sunlight—significantly lower than the peak summer months. This reduction marks a seasonal shift after the sunlit highs of January through March, where the island enjoyed over 300 hours of radiant days. Despite June’s shorter daylight hours, the island’s charm persists, inviting visitors to experience its tranquil beauty amid the cooler temperatures. As winter unfolds, the sun starts to reemerge towards August, gradually building back up to a lush 297 hours in September, hinting at the radiant days that lie ahead. It's a gentle reminder that even as the days grow shorter, Rottnest Island remains a breathtaking destination year-round.

Monthly Sunshine Duration in Rottnest Island: June Highlighted

The June sunshine duration represents the total number of hours Rottnest Island experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec308h315h323h289h279h261h273h285h297h329h352h384h
Data source: Rottnest Island June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rottnest Island During June

As June rolls around on Rottnest Island, the likelihood of sunny weather stands at a moderate 52%, making it one of the transitional months as the island edges towards winter. This represents a slight increase from May's low of 43%, but still falls below the sunnier months of October and April, which boast chances of 51% and 54%, respectively. Interestingly, as the year progresses, there's a distinct trend of declining sunshine from the peak in December at 80% down to the lower percentages seen in July and August. By observing these fluctuations, visitors can anticipate June as a month with a mix of sun and clouds, offering ample opportunities to explore the island's natural beauty before the chill of winter settles in.

Percentage of Sunny Days in June in Rottnest Island

The chart illustrates the percentage of sunny days in Rottnest Island throughout the year, with June highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Rottnest Island experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec72%72%61%54%43%52%42%57%69%51%67%80%
Data source: Rottnest Island June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rottnest Island in June

In Rottnest Island, Australia, June ushers in a period of consistent daylight, with the sun gracing the skies for 10 hours each day, the same duration that persists through both July and August. Following the vibrant summer months of January and February, which bask in 13 hours of sunlight, the days gradually shorten, leading to April's 11 hours and May's 10 hours. This slight decline marks the transition into winter, where daylight remains steady for several months before starting to lengthen again in September. Overall, the trend shows a gradual decrease from the peak daylight of summer down to the shorter, cooler days of winter, providing a rhythmic cadence to the island's picturesque seasonal shifts.

Average Daylight Hours in Rottnest Island for June

The chart illustrates the variation in daylight duration in Rottnest Island throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 57m13h 12m12h 14m11h 16m10h 28m10h 4m10h 16m10h 58m11h 53m12h 52m13h 44m14h 11m
Data source: Rottnest Island daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Rottnest Island

In June, Rottnest Island experiences a gentle embrace from the winds, with average speeds reaching 6.5 m/s (15 mph). This marks a slight uptick from the calmer breezes of May, hinting at a transition towards the more vigorous gusts of mid-year. Interestingly, the wind dynamics reveal a noticeable increase in strength as we approach July, which boasts the highest averages of 9.3 m/s (21 mph). With this consistent yet gradual wind pattern, June serves as a bridge, inviting visitors to enjoy the island's beauty amidst refreshing air while foreshadowing the energetic winds to come.

Average June Wind Speed in Rottnest Island

The chart displays monthly wind speed patterns in Rottnest Island, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.87.86.35.96.36.5 m/s9.36.96.57.17.17.8
Data source: Rottnest Island June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Rottnest Island Compares to Other Months

The weather in Rottnest Island changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Rottnest Island and find detailed weather information for every month.

When comparing the weather in June and January, significant differences emerge. June experiences cooler temperatures, with a minimum of 11°C (53°F) and an average of 17°C (63°F), while January boasts milder conditions with a minimum of 15°C (59°F) and an average of 22°C (71°F). Rainfall is also a major factor; June sees considerably more precipitation at 158 mm (6.2 in) over 13 days, compared to January's lighter rainfall of just 35 mm (1.4 in) over only 1 day. Additionally, June has higher humidity levels at 77%, whereas January’s humidity is more comfortable at 52%. For more details on January weather, check out Rottnest Island weather in January.

When comparing the weather in June and February, notable differences in temperature and precipitation patterns emerge. June experiences cooler temperatures with an average of 17°C (63°F), ranging from a minimum of 11°C (53°F) to a maximum of 22°C (72°F). It also sees significant rainfall, with 158 mm (6.2 in) over 13 rainy days and higher humidity levels at 77%. In contrast, February is much warmer, featuring an average temperature of 22°C (72°F) that peaks at 31°C (88°F) and rarely drops below 16°C (61°F). The month is drier, with only 62 mm (2.5 in) of rain spread over just 4 days, alongside a lower humidity of 55%. For more details on February weather, you can visit Rottnest Island weather in February.

In comparing the weather of June and March, June presents a cooler and wetter climate with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 22°C (72°F), along with significant rainfall of 158 mm (6.2 inches) over 13 days and higher humidity levels at 77%. In contrast, March offers warmer conditions, featuring temperatures from a minimum of 15°C (60°F) to a maximum of 30°C (86°F). March also enjoys considerably drier weather, with only 19 mm (0.7 inches) of precipitation over just 4 days and lower humidity at 59%. For more details on March weather, you can visit Rottnest Island weather in March.

When comparing the weather in June and April, notable differences emerge in temperature and precipitation. June tends to be cooler with average temperatures ranging from a minimum of 11°C (53°F) to a maximum of 22°C (72°F), while April features warmer conditions, with temperatures between a minimum of 13°C (56°F) and a maximum of 27°C (81°F). Additionally, June experiences significantly more rainfall, totaling 158 mm (6.2 in) over 13 days, compared to April’s modest 25 mm (1.0 in) across just 3 days. While June is marked by higher humidity levels at 77%, April is relatively drier with humidity at 70%. For more detailed insights into the weather, check out Rottnest Island weather in April.

In comparing the weather of June and May, June experiences slightly cooler temperatures, with a minimum of 11°C (53°F) and an average of 17°C (63°F), while May has a minimum of 12°C (54°F) and an average of 18°C (66°F). Additionally, June sees increased precipitation, totaling 158 mm (6.2 in) over 13 days, compared to May's 80 mm (3.1 in) over 10 days. Humidity levels are also higher in June at 77%, compared to 72% in May. For more specific insights on May weather, you can visit Rottnest Island weather in May.

June and July showcase somewhat similar weather patterns, but with a few notable differences. June sees a temperature range with a minimum of 11°C and a maximum of 22°C, leading to an average of 17°C. In contrast, July has a slightly higher minimum temperature of 12°C but a marginally lower maximum of 21°C, keeping the average temperature consistent at 17°C. Precipitation levels in June are higher, totaling 158 mm over 13 days, compared to July's 143 mm over 19 days. Both months maintain a relatively high humidity level of 77%. For those planning to visit during this time, you can find more specific details about Rottnest Island weather in July.

In comparing the weather between June and August, June tends to be slightly warmer with average temperatures around 17°C (63°F) and maximums reaching 22°C (72°F), while August sees a dip to an average of 16°C (61°F) and a maximum of 21°C (70°F). Precipitation is also more abundant in June, with 158 mm (6.2 in) recorded over 13 days, compared to August's 138 mm (5.4 in) over 15 days. Humidity levels in both months are fairly similar, with June at 77% and August at 75%. For more detailed information about what to expect, check out Rottnest Island weather in August.

In June, the weather tends to be cooler and wetter, with average temperatures around 17°C (63°F) and a significant amount of precipitation totaling 158 mm (6.2 in) over about 13 days. The humidity is relatively high at 77%, creating a moist atmosphere. In contrast, September sees slightly warmer temperatures, with an average of 16°C (62°F) and a max of 24°C (75°F), but much less rain, accumulating only 49 mm (1.9 in) over 10 days. The humidity also decreases to 71%, contributing to a more comfortable feel. For those considering a visit, you can find more details about conditions in September by checking Rottnest Island weather in September.

June and October present distinct weather characteristics despite having similar minimum and average temperatures. In June, the weather is cooler with average temperatures around 17°C (63°F) and a maximum of 22°C (72°F), while experiencing significantly higher precipitation of 158 mm (6.2 in) over 13 rainy days, resulting in a humidity level of 77%. In contrast, October offers a milder experience with a maximum temperature reaching 26°C (80°F) and much less rain, totaling only 49 mm (1.9 in) across 7 days, along with a lower humidity of 63%. For a more detailed look at what to expect, check out Rottnest Island weather in October.

June and November exhibit notably different weather patterns. June typically experiences cooler temperatures, with a minimum of 11°C (53°F) and an average of 17°C (63°F), while November offers milder conditions, starting at a minimum of 13°C (55°F) and averaging 19°C (66°F). Additionally, June is characterized by higher precipitation, averaging 158 mm (6.2 in) over 13 days, compared to the much drier November, which sees only 27 mm (1.1 in) across just 3 days. The humidity also significantly drops from June's 77% to November's 56%, indicating a more comfortable atmosphere as the year progresses. For more details on the specific weather conditions in November, check out Rottnest Island weather in November.

June and December exhibit distinct differences in weather patterns. In June, temperatures range from a minimum of 11°C (53°F) to a maximum of 22°C (72°F), with an average of 17°C (63°F). This month sees considerable rainfall, with 158 mm (6.2 in) of precipitation over 13 days and high humidity levels at 77%. In contrast, December experiences warmer temperatures, with a minimum of 14°C (58°F), an average of 21°C (70°F), and a maximum of 31°C (88°F). Precipitation is significantly lower at just 8 mm (0.3 in) over only 2 days, accompanied by much lower humidity at 53%. For more details on the pleasant weather conditions in December, check out Rottnest Island weather in December.

Compare Rottnest Island's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Rottnest Island

As June blankets Rottnest Island in cooler tones, visitors can expect a refreshing shift from the often warmer months. With maximum temperatures hovering around a comfortable 22°C and significant rainfall amounting to 158 mm over about half the month, the island showcases its lush greenery during this time. The average temperature settles at a mild 17°C, while the increased humidity of 77% can make the air feel a bit cooler. This blend creates an inviting atmosphere for those who enjoy exploring the island's natural splendor without the summer crowds. For more detailed insights about the island's weather patterns, check out Rottnest Island Climate.