Last updated: February 25, 2025
Experience the breathtaking beauty of Rottnest Island in January, where the average temperature hovers around 22°C (71°F), creating the perfect climate for outdoor adventures. With maximum daytime highs reaching 29°C (85°F) and nighttime lows dipping to 15°C (59°F), the weather offers a pleasant mix for all activities. Visitors can expect minimal rainfall, with only 35 mm (1.4 in) of precipitation on just one day, allowing ample opportunity to explore the island's stunning landscapes. The 52% humidity adds a touch of warmth, ensuring your days in paradise are both comfortable and enjoyable.
In January, Rottnest Island enjoys delightful summer temperatures, with daily highs reaching around 29°C (85°F), while the nights remain pleasantly cool at a minimum of 15°C (59°F). The average temperature hovers at a comfortable 22°C (71°F), making it an ideal time for beach activities and exploration. As the month transitions into February, warmth intensifies slightly, with maximum temperatures peaking at 31°C (88°F). Interestingly, throughout the summer months, minimum temperatures gradually rise, starting from January's 15°C to February's 16°C, reflecting the steady coping of nature with the heat. The pattern of warm days and cooler nights continues into early autumn, evidencing the island’s temperate climate and inviting atmosphere for visitors all season long.
In January, Rottnest Island experiences a relatively dry start to the year, with only 35 mm (1.4 in) of precipitation falling across just one day. This trend of limited rainfall stands in stark contrast to the months that follow, notably February, where precipitation nearly doubles to 62 mm (2.5 in) over four days. As autumn approaches, the island begins to welcome more substantial rain, peaking in June with a significant 158 mm (6.2 in) over 13 days. This pattern of increasing precipitation persists through the winter months, illustrating a clear seasonal shift that culminates in May, marked with both high rainfall and the most wet days at 10. By the end of the year, the rainfall tapers off again, with November and December offering only sporadic showers, reinforcing the island's distinctive wet and dry seasonal rhythm.
In January, Rottnest Island experiences a moderate humidity level of 52%, setting the stage for a pleasant summer atmosphere. As the month slips into February, this figure nudges up slightly to 55%, hinting at the approaching warmth. By March, humidity levels rise further to 59%, signaling the start of a trend towards greater moisture. This gradual increase continues through the months, peaking in June and July at a notable 77%, which can make the island feel quite tropical. However, as winter draws to a close, humidity begins to taper off, dropping to 63% in October and easing to 53% by December. Overall, January stands out as the month where summer humidity begins its steady ascent, leading into the higher moisture levels characteristic of the island's lush landscape.
In January, Rottnest Island experiences a stunning UV Index of 14, categorized as extreme, which means you could face sunburn in as little as 10 minutes of unprotected exposure. This trend of high UV levels continues into February and even into March, where the index remains at 14 and dips slightly to 11, respectively. As the seasons shift, the UV Index gradually decreases, falling to 9 in April and further to 6 by May. The months of June and July bring moderate UV levels of 4, with burn times extending to 30 minutes. However, as spring approaches in August, the index rises again to 6, before peaking in September at 8, signaling another spike in sun intensity. October and November follow suit, showcasing extreme levels of 11 and 13, with burn times returning to just 10 minutes. The final month of the year returns to a high UV Index of 14, reminding visitors to stay vigilant against sun exposure. For more detailed information about the UV Index during the year, visit Rottnest Island UV Index.
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In January, Rottnest Island basks in a delightful 308 hours of sunshine, setting the stage for a lively summer atmosphere. As the month progresses into February, the days grow even brighter with 315 hours of sunshine, enticing visitors to embrace the coastal vibes. March follows suit with a peak of 323 hours, offering the perfect backdrop for outdoor adventures. However, as winter edges in during April and May, the sunshine hours dip to 289 and 279, reminding us of nature’s ebb and flow. By mid-year, sunshine hours reach their annual low in June at 261, but a gradual recovery begins in July and August, with hours rebounding to 273 and 285 respectively. As spring emerges in September and October, the island experiences a delightful surge, climbing to 297 and 329 hours. The year wraps up with November and December showcasing an impressive 352 and 384 hours of sunshine, leaving a warm and vibrant impression as visitors bid farewell to another radiant year on the island.
In January, Rottnest Island basks in a 72% chance of sunny weather, making it an ideal destination for sun-seekers. This trend of high likelihood remains consistent into February, holding steady at 72%, before gradually tapering off in March to 61%. As the year progresses, the sunniest months exhibit a noticeable shift, with April dropping to 54% and May further declining to 43%. Interestingly, the sunshine seems to make a comeback in the spring months, peaking again in December at a striking 80%. Overall, while January begins with a vibrant promise of sunny days, travelers should be prepared for a more variable forecast as the seasons change across Rottnest Island.
January on Rottnest Island, Australia, boasts an impressive 13 hours of daylight, matching February's sun-filled days. As summer fades into autumn, daylight gradually declines, dropping to 12 hours in March and further to 11 hours by April. The trend continues, with May witnessing a lesser 10 hours, a duration that persists through June, July, and August. However, as spring approaches, daylight begins to lengthen again, reaching 11 hours in September and returning to 12 hours in October. The transition into November marks a resurgence, climbing back to 13 hours before peaking at 14 hours in December. This cyclical dance of daylight not only highlights the seasonal shifts but also invites visitors to embrace the vibrant outdoor experiences Rottnest Island offers year-round.
In January, Rottnest Island enjoys a breezy atmosphere with an average wind speed of 7.8 m/s (18 mph), a figure that sets the tone for the month's outdoor adventures. This steady breeze is matched again in February, while wind speeds begin to taper off in the following months, reaching a low of 5.9 m/s (13 mph) by April. Interestingly, just as the year transitions into mid-winter, July sees a noticeable increase, peaking at 9.3 m/s (21 mph), which can invigorate visitors and locals alike. As the year progresses into late summer, the winds stabilize around 6 to 7 m/s, offering a pleasant backdrop for beachgoers and nature enthusiasts. This gentle dance of wind speeds throughout the year not only paints a picturesque scene for Rottnest Island but also significantly enhances its charm as an ideal getaway destination.
The weather in Rottnest Island changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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.
In comparing the weather between January and February, both months enjoy a warm climate, but February tends to be slightly warmer with a minimum temperature of 16°C (61°F) compared to January's 15°C (59°F). The average temperature remains consistent at 22°C (72°F), while February reaches a higher maximum temperature of 31°C (88°F) versus January's 29°C (85°F). Notably, February experiences increased rainfall, with 62 mm (2.5 in) of precipitation over 4 days, in contrast to January's 35 mm (1.4 in) over just one day, and slightly higher humidity levels at 55% compared to January's 52%. For more specific details on the weather patterns in February, check out Rottnest Island weather in February.
January and March exhibit similar temperature ranges, with both months featuring a minimum temperature of around 15°C (59°F) and an average temperature hovering around 22°C (71°F). However, March tends to be slightly warmer, reaching a maximum of 30°C (86°F) compared to January’s 29°C (85°F). In terms of precipitation, January is somewhat wetter with 35 mm (1.4 in) occurring over just one day, while March sees only 19 mm (0.7 in) spread across four days. Additionally, March experiences higher humidity levels at 59%, compared to January's 52%. For more detailed insights, you can check Rottnest Island weather in March.
In comparing the weather between January and April, January boasts slightly higher temperatures, with a minimum of 15°C (59°F) and a maximum of 29°C (85°F) compared to April's range of 13°C (56°F) to 27°C (81°F). While both months experience relatively low precipitation, January receives 35 mm (1.4 in) over just 1 day, whereas April has a total of 25 mm (1.0 in) spread over 3 days. Additionally, April tends to be more humid, with humidity levels reaching 70%, compared to January's 52%. For more detailed information, you can check Rottnest Island weather in April.
In January, the weather is characterized by warmer temperatures, with a minimum of 15°C (59°F) and a comfortable average of 22°C (71°F), peaking at a maximum of 29°C (85°F). Precipitation is relatively low at 35 mm (1.4 in) over just one day, and humidity levels are moderate at 52%. In contrast, May experiences cooler temperatures, with a minimum of 12°C (54°F) and an average of 18°C (66°F), while the maximum reaches 24°C (76°F). The month brings significantly more rainfall, totaling 80 mm (3.1 in) over ten days, and humidity increases to 72%. For a closer look at the specific weather conditions, you can visit Rottnest Island weather in May.
In January, the weather is characterized by warm temperatures, with averages around 22°C (71°F) and maximums reaching 29°C (85°F). The month is relatively dry, receiving only 35 mm (1.4 in) of precipitation over just one day, and the humidity level is a comfortable 52%. In contrast, June brings cooler temperatures, with averages dipping to 17°C (63°F) and maximums at 22°C (72°F). This month is also marked by significantly higher rainfall, totaling 158 mm (6.2 in) across 13 days, and an increase in humidity to 77%. For more details, check out Rottnest Island weather in June.
When comparing January and July weather, January boasts warmer temperatures with a minimum of 15°C (59°F) and an average of 22°C (71°F), reaching a maximum of 29°C (85°F). In this month, the precipitation is relatively low at 35 mm (1.4 in) over just 1 day, with humidity levels sitting at a comfortable 52%. In contrast, July experiences cooler conditions with a minimum of 12°C (54°F) and an average of 17°C (62°F), peaking at 21°C (70°F). This month is significantly wetter, receiving 143 mm (5.6 in) of precipitation spread over 19 days, and higher humidity levels at 77%. For a more detailed look at the climate, check out Rottnest Island weather in July.
January and August present distinct differences in weather conditions. January typically enjoys warmer temperatures, with averages around 22°C (71°F) and highs reaching up to 29°C (85°F), while August is noticeably cooler, with average temperatures dipping to 16°C (61°F) and a maximum of 21°C (70°F). Precipitation also varies significantly; January has only 35 mm (1.4 in) of rain over just one day, whereas August experiences much wetter conditions, with 138 mm (5.4 in) of rain spread across 15 days. Furthermore, humidity levels are higher in August at 75%, compared to January’s more moderate 52%. For detailed information, you can check out Rottnest Island weather in August.
In comparing the weather between January and September, January boasts warmer temperatures, with a minimum of 15°C (59°F), an average of 22°C (71°F), and a maximum reaching 29°C (85°F). The month experiences relatively low rainfall, with only 35 mm (1.4 in) of precipitation over just one day and a humidity level around 52%. In contrast, September is cooler, featuring a minimum temperature of 10°C (50°F), an average of 16°C (62°F), and a maximum of 24°C (75°F). Rainfall increases significantly to 49 mm (1.9 in) spread over 10 days, accompanied by higher humidity levels at 71%. For more specific details on weather during this time, you can explore Rottnest Island weather in September.
In comparing the weather between January and October, January boasts warmer temperatures, with a minimum of 15°C (59°F) and an average of 22°C (71°F), peaking at 29°C (85°F). In contrast, October features cooler temperatures, with a minimum of 11°C (52°F), an average of 17°C (63°F), and a maximum of 26°C (80°F). While January experiences relatively low precipitation with only 35 mm (1.4 inches) over just one day, October sees a higher amount of rainfall totaling 49 mm (1.9 inches) spread across seven days. Additionally, October has higher humidity at 63% compared to January’s 52%. For a more detailed look at the conditions, check out the Rottnest Island weather in October.
In January, the weather tends to be warmer, with minimum temperatures of 15°C (59°F) and average highs reaching up to 29°C (85°F). The month experiences relatively low precipitation, with only 35 mm (1.4 in) falling over just one day, and humidity levels at 52%. In contrast, November sees slightly cooler temperatures, with a minimum of 13°C (55°F) and an average max of 27°C (82°F). This month receives a bit more rain, accumulating 27 mm (1.1 in) over three days, and has a higher humidity level of 56%. For more details, you can check Rottnest Island weather in November.
In comparing the weather of January and December, both months exhibit mild temperatures, but January tends to be slightly warmer on average. January sees minimum temperatures around 15°C (59°F) and maximums of 29°C (85°F), while December has a minimum of 14°C (58°F) and can reach up to 31°C (88°F). Both months experience low precipitation, with January recording around 35 mm (1.4 in) over just one day, compared to December's 8 mm (0.3 in) across two days. Humidity levels remain fairly similar, with January at 52% and December slightly higher at 53%. For detailed information about December weather, you can check Rottnest Island weather in December.
January on Rottnest Island is a vibrant month, characterized by warm temperatures ideal for beach activities and outdoor adventures. With daytime highs reaching around 29°C (85°F) and an inviting average of 22°C (71°F), visitors can enjoy the sunshine while rarely facing rain—only about 1 day of precipitation for the month. This dry spell, combined with moderate humidity levels, creates a balmy atmosphere that sets January apart from cooler or wetter months, making it a perfect time for exploration. For more insights on the island's varied weather patterns, be sure to check out Rottnest Island Climate.