Last updated: February 25, 2025
Experience the enchanting May weather on Rottnest Island, Australia, where temperatures range from a pleasant 12°C (54°F) to a comfortable 24°C (76°F), with an average of 18°C (66°F). This month brings about 80 mm (3.1 in) of precipitation over 10 days, infusing the island's landscape with vibrant greenery. Despite the occasional rain, humidity levels hover around 72%, creating a refreshing coastal atmosphere. Whether exploring scenic trails or relaxing by the beach, May offers an ideal blend of sun and occasional showers, making it a delightful time to visit this picturesque island.
In May, temperatures on Rottnest Island, Australia begin to signal the transition into winter, with a noticeable dip in warmth. The minimum temperature this month is around 12°C (54°F), setting the stage for cooler days ahead. Average daily highs reach a comfortable 24°C (76°F), while the average temperature drifts down to 18°C (66°F), reflecting a shift from the warmer peak months of summer. Compared to the earlier months, particularly January and February, which boast maximums around 29°C (85°F) and 31°C (88°F) respectively, May offers a more temperate climate perfect for exploring the island’s natural beauty without the summer crowds. Overall, this month is characterized by mild conditions, inviting visitors to enjoy outdoor activities in a refreshingly cooler yet pleasantly inviting atmosphere.
May marks a notable shift in precipitation patterns on Rottnest Island, Australia, with 80 mm (3.1 in) of rain falling over 10 days, making it one of the wetter months of the year. This increase in rain contrasts sharply with the preceding months, where April experienced only 25 mm (1.0 in) over three days. As the island transitions into the winter months, the rainfall continues to escalate, with June witnessing a dramatic surge to 158 mm (6.2 in) across 13 days. The trend suggests that May acts as a gateway to the island's rainy season, setting the stage for the heavier downpours that follow. This increase not only impacts the island's lush landscapes but also signals a time for wildlife and local flora to thrive, embracing the torrential changes ahead.
May in Rottnest Island, Australia, marks a notable transition in humidity levels as the year progresses. With an average humidity of 72%, May is characterized by a significant increase from April's 70%, indicating a gradual buildup of moisture in the air. This trend continues into the winter months, with June and July hitting 77%, suggesting that the island experiences its most humid conditions during this period. As the year unfolds, humidity levels begin to taper off in October to 63%, creating a clear seasonal rhythm. This escalating pattern from late autumn into winter highlights how Rottnest's climate shifts, enriching the atmosphere prior to the cooler months ahead.
In May, Rottnest Island experiences a notable shift in its UV Index, which drops to 6, categorizing it as high exposure risk with a burn time of 25 minutes. This indicates a gradual decline from the extreme levels seen in the earlier months, making outdoor activities somewhat more manageable but still requiring caution. As temperatures start cooling, the UV Index remains higher than during the winter months ahead, where it dips to moderate levels. It’s important for visitors to stay updated and protect themselves as the sun can still be potent. For detailed insights, visit Rottnest Island UV Index.
UV Risk Categories
As May arrives in Rottnest Island, Australia, the sunny days begin to wane, with an average of 279 hours of sunshine marking the month. While this is a delightful period for visitors seeking mild weather and fewer crowds, it signals the gradual transition towards winter. Interestingly, May follows a pattern of diminishing light compared to the preceding months of summer and early autumn, which see impressive totals peaking at 323 hours in March and 315 hours in February. However, the island's sun-drenched allure persists, inviting adventurers to explore its scenic beauty before the cooler months take hold. This shift sets the stage for an inviting early winter, where visitors can savor the island’s charm amidst a more tranquil atmosphere.
As May rolls in on Rottnest Island, the chances of basking in sunny weather dip to 43%, marking a notable decline from the warmer summer months. Following the optimism of January and February, where sunny days basked in a robust 72% likelihood, the outlook shifts toward the cooler autumn period, as April's golden rays peek through only 54% of the time. This trend signals a transition, with the likelihood of sunnier days tailing off as winter approaches, highlighted by a brief resurgence in August at 57%. So, while May may not be the sunniest month on the island, it offers a chance for pleasant escapes amidst the changing weather.
As the year progresses, Rottnest Island in Australia experiences a fascinating ebb and flow in daylight duration. January and February bask in 13 hours of sunlight, inviting beachgoers and nature lovers to make the most of the warm summer days. However, as the seasons change, daylight gradually diminishes, dipping to 12 hours in March and a cozy 11 hours by April. In May, the island welcomes winter with 10 hours of daylight, which remains consistent through June to August. Interestingly, as spring approaches in September, daylight picks up again, stretching to 11 hours and further rebounding to 12 hours in October. The cycle completes as the year wraps up with 13 hours in November and reaching an inviting 14 hours by December, ensuring that Rottnest Island remains a vibrant playground for sun-seekers year-round.
In May, Rottnest Island experiences a pleasant transition in wind conditions, with an average wind speed of 6.3 m/s (14 mph). This marks a slight increase from April, where winds were a bit calmer at 5.9 m/s (13 mph). As the island moves into the winter months, June brings a modest uptick to 6.5 m/s (15 mph), hinting at a forthcoming shift in atmospheric dynamics. Overall, the pattern suggests that while the winds are gradually picking up in intensity, May remains relatively mild compared to the gustier months of July and August, making it an ideal time for outdoor activities before the stronger winds establish themselves.
The weather in Rottnest Island changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May'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 of May and January, January tends to be warmer and drier. In January, the minimum temperature averages around 15°C (59°F), peaking at a maximum of 29°C (85°F), while May features cooler temperatures with a minimum of 12°C (54°F) and a maximum of 24°C (76°F). Precipitation also differs significantly; January sees only about 35 mm (1.4 in) over just one day, whereas May experiences 80 mm (3.1 in) of rain spread over approximately 10 days. Additionally, humidity is lower in January at 52%, compared to May's more humid atmosphere at 72%. For more details on January weather, you can check Rottnest Island weather in January.
When comparing the weather in May and February, a notable difference in temperature is apparent. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (76°F), with an average of 18°C (66°F), while February experiences warmer conditions, with a minimum of 16°C (61°F) and a peak of 31°C (88°F), averaging 22°C (72°F). Precipitation is more frequent in May, occurring over 10 days with a total of 80 mm (3.1 in), compared to February, which sees only 62 mm (2.5 in) across just 4 days. Additionally, humidity is higher in May at 72%, while February enjoys a more comfortable 55%. For more details on February weather, visit Rottnest Island weather in February.
When comparing the weather in May and March, we observe notable differences. March tends to be warmer, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 30°C (86°F), while May's temperatures are milder, with a minimum of 12°C (54°F) and a maximum of 24°C (76°F). Additionally, March experiences significantly less precipitation, totaling only 19 mm (0.7 in) over 4 days, as opposed to May, which sees 80 mm (3.1 in) over 10 days, indicating a wetter and more humid month. Consequently, May has a higher humidity level at 72%, compared to March's 59%. For a more detailed look at March weather, check out Rottnest Island weather in March.
In comparing the weather between April and May, April generally exhibits slightly warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 27°C (81°F), yielding an average of 20°C (69°F). In contrast, May sees cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 24°C (76°F), resulting in an average of 18°C (66°F). Additionally, April is much drier, receiving only 25 mm (1.0 in) of precipitation over just 3 days, whereas May experiences a significantly higher rainfall of 80 mm (3.1 in) over 10 days. Humidity levels are fairly comparable, with April at 70% and May at 72%. For more insights, you can check Rottnest Island weather in April.
Comparing the weather in May and June reveals some notable differences. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (76°F), with an average of 18°C (66°F). This month typically experiences 80 mm (3.1 in) of rainfall over about 10 days, accompanied by a humidity level of 72%. In contrast, June sees a slight drop in temperatures, with a minimum of 11°C (53°F) and a maximum of 22°C (72°F), averaging 17°C (63°F). Rainfall significantly increases to 158 mm (6.2 in) over 13 days, raising the humidity to 77%. For more details on June weather conditions, you can check Rottnest Island weather in June.
May and July exhibit distinct weather patterns, with May generally being milder. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (76°F), averaging 18°C (66°F), while July experiences slightly cooler temperatures, with a minimum of 12°C (54°F), an average of 17°C (62°F), and a maximum of 21°C (70°F). Additionally, July sees significantly higher precipitation, totaling 143 mm (5.6 in) over 19 days, compared to May's 80 mm (3.1 in) over 10 days. Humidity levels also increase slightly in July, averaging 77% compared to 72% in May. For more detailed insights on July weather, visit Rottnest Island weather in July.
In comparing the weather of May and August, we observe that May tends to be slightly warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (76°F). In contrast, August features cooler conditions, with average temperatures peaking at 21°C (70°F). Precipitation is notably higher in August, totaling 138 mm (5.4 in) over 15 days, compared to May's 80 mm (3.1 in) across 10 days. Additionally, humidity levels are marginally higher in August at 75%, compared to 72% in May. For a detailed look at the weather conditions during this time, you can check out Rottnest Island weather in August.
May and September present contrasting weather experiences despite having similar maximum temperatures. In May, the average temperature is warmer at 18°C (66°F), while September cools down slightly to an average of 16°C (62°F). May also sees higher precipitation, with 80 mm (3.1 in) of rain over 10 days, compared to September's 49 mm (1.9 in) during the same number of rainy days. Both months maintain similar humidity levels, but May feels a bit more humid at 72%, compared to September's 71%. For those interested in September's weather specifics, you can check Rottnest Island weather in September.
May and October present a transition in weather, with May typically enjoying slightly warmer conditions. In May, temperatures range from a minimum of 12°C (54°F) to an average of 18°C (66°F), peaking at 24°C (76°F). However, it experiences more rainfall, averaging 80 mm (3.1 in) over about 10 days, along with a higher humidity of 72%. In contrast, October has a minimum temperature of 11°C (52°F) and an average of 17°C (63°F), peaking at 26°C (80°F). Precipitation decreases to 49 mm (1.9 in) over 7 days, and humidity is lower at 63%. This makes October generally drier and a bit milder, which is reflected in the climate on Rottnest Island weather in October.
May and November present a contrast in weather conditions. In May, the temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (76°F), with an average of 18°C (66°F). This month also experiences more precipitation, with 80 mm (3.1 in) spread over about 10 days and a humidity level of 72%. In contrast, November boasts slightly warmer temperatures, with a minimum of 13°C (55°F) and a maximum of 27°C (82°F), while the average remains at 19°C (66°F). Rainfall is significantly lower in November, totaling just 27 mm (1.1 in) over approximately 3 days, and the humidity drops to 56%. For an in-depth look at November's weather, you can check Rottnest Island weather in November.
In comparing the weather of May and December, we see distinct differences in temperature and precipitation. May generally experiences cooler temperatures with a minimum of 12°C (54°F) and an average of 18°C (66°F), while December boasts warmer conditions, with a minimum of 14°C (58°F) and an average of 21°C (70°F). Precipitation is significantly higher in May, with around 80 mm (3.1 in) spread over 10 days, compared to December's modest 8 mm (0.3 in) over just 2 days. Additionally, humidity levels are higher in May at 72%, whereas December sees a more comfortable 53%. For more detailed insights, visit Rottnest Island weather in December.
As May unfolds on Rottnest Island, the weather shifts into a more temperate phase, offering a delightful escape from the summer heat. Unlike the warmer months, you'll experience milder temperatures averaging around 18°C, making outdoor activities comfortable yet invigorating. With about 80 mm of rain spread across 10 days, May witnesses increased humidity levels, which adds to the lush, green scenery that begins to emerge. This transitional month provides a unique charm, balancing between the residual warmth of the approaching winter and the newness of the wet season. To explore further details about seasonal patterns, check out Rottnest Island Climate.