Last updated: February 25, 2025
In January, Perth, Australia experiences a diverse range of weather, making it ideal for both beachgoers and outdoor enthusiasts. With maximum temperatures reaching a sizzling 33°C (91°F), the average temperature settles comfortably at 17°C (64°F), while nighttime can bring cool relief with minima dropping to 4°C (40°F). Rain is modest, amounting to about 50 mm (2.0 in) over 5 days, contributing to a relatively humid atmosphere of 69%. Whether basking in the sun or enjoying occasional showers, January in Perth offers a vibrant blend of warmth and refreshment.
In January, Perth basks in the warmth of summer, with temperatures ranging from a mild 4°C (40°F) at night to a sizzling 33°C (91°F) during the day, resulting in an inviting average of 17°C (64°F). As the month unfolds, the city enjoys long, sun-soaked days that highlight its vibrant outdoor culture. This trend of warmth continues into February, echoing similar highs, though nights feel slightly cooler at 3°C (37°F). However, a gradual shift begins in March, with temperatures dipping to 1°C (35°F) in the early hours, while the daytime warmth remains comfortable. Moving into the autumn months, the cooling trend becomes more pronounced, with minima eventually dropping to -4°C (25°F) by June and July, showcasing the region's contrasting climate. Yet, even as winter approaches, Perth retains a moderation, which makes it a remarkable destination year-round.
In January, Perth, Australia experiences relatively moderate precipitation, averaging 50 mm (2.0 in) over five days of rain. This sets the stage for the slightly wetter months that follow, with February and March both recording 68 mm (2.7 in) each, resulting in a gradual increase in rainfall. As the year progresses into May and June, precipitation peaks at 77 mm (3.0 in) and 55 mm (2.2 in), respectively, with rainfall days also climbing, particularly in the mid-year months. July stands out with the highest rainfall at 89 mm (3.5 in) over twelve days, marking the wettest point in the year. Interestingly, after the peak in July, rainfall begins to taper off again in the latter half of the year, showcasing a distinct dry spell leading into the warm, dry January of the following year. Overall, Perth's precipitation pattern demonstrates a clear seasonal shift, with January providing a gentle start to the wetter months ahead.
In January, Perth experiences a humidity level of 69%, setting the stage for a warm and slightly sticky summer. As the season progresses into February, humidity remains relatively stable at 68%, offering a mild transition before it rises to 72% in March. This upward trend continues into April and May, with humidity peaking at 83% by mid-year, leading to a notably muggy atmosphere. The winter months of June and July maintain this high humidity, averaging around 84%, ensuring the air feels heavy and thick. As spring arrives in August, humidity slightly decreases but stays above 80%, hovering around 83% until it drops to 76% in November. By December, Perth's humidity levels retreat to 71%, offering a refreshing end to the year while hinting at the warm days to come. The overall trend highlights a clear seasonal shift: Perth's climate begins with moderate humidity in January and escalates to its most humid conditions mid-year before tapering off as the year draws to a close.
In Perth, Australia, January marks the pinnacle of UV intensity with an astonishing UV Index of 13, categorized as extreme. This means that sunburn can occur in as little as 10 minutes, emphasizing the importance of sun safety during this peak summer month. Following closely, February maintains an equally high UV Index of 11, while March slightly dips to 10, but still falls into the very high category with a burn time of 15 minutes. As the year progresses into the cooler months of April through July, the UV Index descends to moderate and low levels, providing a welcomed respite. However, it swings back up in spring and autumn, peaking again in November and December at 11 and 13, respectively. This data highlights the significant seasonal variations and the necessity for vigilant sun protection in the summer months. Stay informed about current conditions and trends by visiting Perth UV Index.
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Perth, Australia, basks in an abundance of sunshine, particularly in January, when the city enjoys an impressive 297 hours of vibrant sunlight. This trend continues into February with 296 hours, showcasing the summer's lingering warmth. As the seasons shift, sunlight begins its gradual decline, dropping to 286 hours in March and further down to 249 hours by April. The embrace of autumn nudges the hours even lower, hitting 217 hours in May. However, a subtle resurgence occurs in the late winter months, with July seeing 210 hours and a noticeable rise again in August at 235 hours. As the year progresses toward the end, the sun reclaims its dominance, reaching a peak in December with a radiant 354 hours. The cycle reveals Perth's unique climate, where summer's glory and winter's retreat create a captivating dance of sunlight throughout the year.
In Perth, Australia, January brings a 38% chance of sunny weather, making it one of the sunnier months of the year, albeit not the sunniest. As the summer progresses into February, the likelihood of sunshine increases to 44%, peaking later in the year with a 50% chance in April. Interestingly, while March also holds a 40% chance, the transition into winter sees a significant dip, particularly in June with only a 19% chance of sunny days. This trend illustrates a clear shift: early and late summer months generally boast better sunshine probabilities, while the winter months tend to cloud over. Overall, planning activities in January offers a decent prospect for basking in the sun, amidst the fluctuating weather patterns as the year unfolds.
In Perth, Australia, January shines brightly with an impressive 14 hours of daylight, marking the peak of summer and the perfect time for outdoor adventures. As the month transitions into February, daylight begins to wane slightly to 13 hours, a subtle hint that summer is drawing to a close. March follows suit with 12 hours, leading into the cooler months of April with just 10 hours of light. This reduction continues into May and June, where daylight stabilizes at 9 hours, creating cozy atmospheres ideal for indoor activities. However, come August, the days gradually lengthen again, reaching 10 hours, as spring approaches. By the time October arrives, daylight climbs back up to 13 hours, offering a revitalizing burst of sunlight before November matches January at 14 hours. December caps the year off with an enchanting 15 hours of daylight, a fitting farewell to summer and an invitation to celebrate the long, sun-soaked days ahead. This rhythmic dance of daylight in Perth beautifully illustrates the region's transition through the seasons.
In January, Perth experiences a gentle breeze, with an average wind speed of 2.9 m/s (7 mph), making it one of the calmer months. As the year progresses into February and March, the wind speed slightly declines, leveling off at 2.8 m/s and 2.6 m/s respectively, creating a tranquil atmosphere ideal for outdoor activities. The transition to April and July brings a refreshing increase, returning to 3.0 m/s, while the winter months of August and September peak with a brisk 3.7 m/s and 3.6 m/s, invigorating the region. Interestingly, as November rolls in, wind speeds drop to their lowest at 2.7 m/s, but maintain a steady average of around 3.2 m/s towards the year's end. This seasonal fluctuation showcases the shifting patterns of Perth's winds, offering a delightful blend of calm and invigorating breezes throughout the year.
The weather in Perth 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 Perth and find detailed weather information for every month.
In comparing the weather between January and February, we see that both months experience warm temperatures, with January having a slightly higher average temperature of 17°C (64°F) compared to February's 16°C (61°F). Both months can reach a maximum of 33°C (91°F to 92°F), but January's minimum temperature is a bit warmer at 4°C (40°F) versus February's 3°C (37°F). Precipitation increases in February, with 68 mm (2.7 in) over 8 days, compared to January's 50 mm (2.0 in) over 5 days, indicating a wetter month. Humidity remains relatively stable, with January at 69% and February at 68%. For more detailed information, you can check Perth weather in February.
January and March present contrasting weather experiences, with January generally warmer and slightly drier. In January, temperatures range from a minimum of 4°C (40°F) to a maximum of 33°C (91°F), with an average of 17°C (64°F) and 50 mm (2.0 in) of precipitation over about 5 days. In contrast, March brings cooler temperatures, with a minimum of 1°C (35°F) and a slightly lower average of 15°C (59°F), peaking at 31°C (88°F). However, it is also wetter, with 68 mm (2.7 in) of rainfall spread over 9 days and a higher humidity level of 72%. For more detailed insights, you can refer to the link: Perth weather in March.
In January, temperatures in Perth range from a minimum of 4°C (40°F) to a maximum of 33°C (91°F), with an average temperature of 17°C (64°F). The month typically experiences about 50 mm (2.0 in) of precipitation over an average of 5 days, and humidity hovers around 69%. In contrast, April brings cooler weather, with temperatures dipping to a minimum of -2°C (29°F) and reaching a maximum of 25°C (77°F), while the average temperature settles at 12°C (53°F). This month sees a slightly higher precipitation total of 58 mm (2.3 in) spread across approximately 7 days, along with increased humidity at 77%. For more detailed information, visit Perth weather in April.
January and May offer starkly contrasting weather patterns. In January, temperatures range from a mild 17°C (64°F) on average, with maximums soaring up to 33°C (91°F), making it the warmer of the two months. The humidity is relatively moderate at 69%, coupled with 50 mm (2.0 in) of precipitation over about 5 days. In contrast, May experiences cooler temperatures, with an average of only 9°C (49°F), and a maximum of 20°C (68°F). It also sees increased precipitation, totaling 77 mm (3.0 in) over 9 days, and higher humidity at 83%. For a closer look at what to expect during this season, check out Perth weather in May.
In January, temperatures in Perth vary widely, ranging from a minimum of 4°C (40°F) to a maximum of 33°C (91°F), with an average of 17°C (64°F). The month experiences relatively low precipitation, averaging 50 mm (2.0 in) over about 5 days, and humidity levels are moderately high at 69%. In contrast, June brings cooler weather, with temperatures primarily between -4°C (25°F) and 15°C (60°F), averaging just 7°C (45°F). The precipitation slightly increases to 55 mm (2.2 in), occurring over 9 days, and humidity rises to 83%. For a more detailed look at the weather conditions during June, you can visit Perth weather in June.
In January, temperatures in Perth soar with a minimum of 4°C (40°F) and an average high of 33°C (91°F), making it the warmest month of the year, while humidity hovers around 69%. The month typically sees about 50 mm (2.0 in) of precipitation spread over roughly 5 days. In stark contrast, July experiences much cooler weather, with temperature highs peaking at just 14°C (58°F) and lows dipping to -4°C (26°F). July also features more frequent rain, with total precipitation reaching 89 mm (3.5 in) over approximately 12 days and humidity rising to 84%. For a closer look at the weather specifics for July, check out Perth weather in July.
In January, the weather presents a significant contrast to that of August, with temperatures ranging from a minimum of 4°C to a maximum of 33°C, and an average of 17°C. The month sees relatively low precipitation, with around 50 mm over just five days, and humidity levels at 69%. In stark contrast, August experiences cooler temperatures, with a minimum of -3°C and a maximum of 15°C, averaging only 7°C. The month is also wetter, receiving 70 mm of rain over 12 days, and has higher humidity at 83%. For more specific details on August weather in Perth, you can check Perth weather in August.
January and September offer strikingly different weather conditions. In January, temperatures range from a minimum of 4°C (40°F) to a maximum of 33°C (91°F), with an average of 17°C (64°F) and relatively low humidity at 69%. The month sees about 50 mm (2.0 in) of precipitation over approximately 5 days. In contrast, September experiences much cooler weather with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 21°C (69°F), and an average temperature of 8°C (47°F). This month also brings higher humidity at 80% and increased precipitation, totaling 68 mm (2.7 in) over 11 days. For more insights, check out Perth weather in September.
In January, the weather in Perth is typically warm, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 33°C (91°F) and an average of 17°C (64°F). The month experiences about 50 mm (2.0 in) of precipitation spread over approximately 5 days, along with a humidity level of 69%. In contrast, October sees cooler temperatures, with lows of -1°C (31°F), averages of 11°C (52°F), and highs of 25°C (78°F). This month also experiences increased precipitation, totaling 85 mm (3.4 in) over about 12 days, coupled with higher humidity at 76%. For more details, visit Perth weather in October.
In January, Perth experiences warmer conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 33°C (91°F) and an average of 17°C (64°F). The month sees approximately 50 mm (2.0 in) of precipitation over about 5 days, with humidity levels around 69%. In contrast, November presents cooler weather, with minimum temperatures dropping to 0°C (32°F) and maximums reaching 28°C (83°F), averaging 13°C (56°F). Precipitation increases slightly to 56 mm (2.2 in) over 9 days, accompanied by higher humidity of 76%. For more detailed insights, check out Perth weather in November.
When comparing the weather in January and December, January tends to be slightly warmer with average temperatures reaching up to 17°C (64°F) compared to December’s average of 15°C (60°F). Both months share a maximum temperature of 33°C (91°F), but January has a bit less rainfall, with only 50 mm (2.0 in) over 5 days, whereas December sees higher precipitation levels at 71 mm (2.8 in) over 7 days. Humidity remains consistent, with January at 69% and December at 71%. For more detailed insights into December's conditions, you can visit Perth weather in December.
January in Perth offers a vibrant contrast to the cooler months, boasting warm days with temperatures often peaking at 33°C (91°F) while the evenings cool down to a comfortable 17°C (64°F). It's a time when the landscape flourishes under the summer sun, though occasional rainfall—averaging 50 mm over about five days—invigorates the atmosphere without dampening the vibrant outdoor activities. With an average humidity of 69%, January can feel a bit muggy, yet this month stands out for its long, sun-soaked days. For a deeper look into how January weather compares across the year, explore Perth Climate.