April Weather in Perth, Australia

Last updated: February 25, 2025

April in Perth, Australia, is a month of delightful contrasts, with maximum temperatures soaring to 34°C (94°F) during the peak of the day and a comfortable average hovering around 20°C (68°F). Nights can be refreshing, dipping down to a minimum of 9°C (49°F). As the month progresses, the city experiences a modest precipitation total of 21 mm (0.8 in), falling on just 3 days, which means that sunny skies predominate. With humidity levels reaching 70%, the air can feel warm but pleasant, defining Perth’s charming autumnal atmosphere.

April Temperature in Perth

In April, Perth transitions gracefully into cooler autumn temperatures, with the average dipping to a comfortable 20°C (68°F). Early mornings can be brisk, as the month starts with a minimum of 9°C (49°F), but the afternoons still offer some warmth, with highs reaching around 34°C (94°F). Compared to the hotter summer months, where temperatures soared above 37°C (99°F), April presents a refreshing change, making it ideal for outdoor activities while showcasing the city's vibrant autumn foliage. The gradual cooling trend continues into May, hinting at the approaching winter, yet April's balance of mild days and crisp nights creates a delightful atmosphere perfect for exploring Perth's charm.

April Weather in Perth: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Perth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec747573686259585760636773
Data source: Temperature data for Perth generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Perth

In April, Perth experiences a modest rainfall of 21 mm (0.8 in) spread over just 3 days, continuing a trend of light precipitation that began in March. This is notably similar to the previous month, which also saw 21 mm, but contrasts sharply with the heavier rainfall expected in May and June. The relatively low rainfall in April, coupled with its brief duration, indicates a transition period as the city gears up for the more substantial wet season that follows. As the year progresses, Perth typically faces a significant increase in precipitation, making these early autumn months a brief interlude before the autumn rains truly set in.

April Precipitation Trends in Perth

The chart displays monthly precipitation patterns in Perth, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec31582121581081151034241268
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Perth

As April arrives in Perth, the humidity notably climbs to 70%, reflecting a consistent upward trend from the previous months. This increase follows a gradual rise from 52% in January through March, where humidity levels hovered around 59%. The shift marks the onset of more humid conditions as Perth transitions into the cooler months. As April gives way to May, humidity creeps up further to 72%, setting the stage for a damp winter ahead. The pattern highlights a significant seasonal variation, showcasing how Perth’s climate transforms as the year progresses, preparing residents for the wetter months that lie ahead.

April Average Humidity in Perth

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

April UV Index in Perth

As April unfolds in Perth, Australia, the UV Index settles at a notable 9, categorized as very high, indicating an increased potential for skin damage with unprotected sun exposure. This marks a decrease from the preceding months of extreme levels, where January to March exhibited indices reaching up to 14. The burn time in April extends to 15 minutes, offering some respite compared to the rapid 10-minute burn times earlier in the year. However, this transition still calls for caution, particularly for those spending extended time outdoors. As the seasons change, the UV Index remains a crucial factor in outdoor planning, reminding residents and visitors alike to stay informed about sun safety to protect their health. For more detailed insights, visit Perth UV Index.

Maximum UV Index Levels in Perth for April

The chart shows the monthly maximum UV Index (UVI) for Perth in April, 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: Perth April 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.

April Sunshine in Perth

In April, Perth experiences a delightful transition as the days gradually shorten, yielding 289 hours of sunshine—a slight dip from the previous months, yet still vibrant. Following the sun-drenched heights of January through March, which enjoy a steady climb in sunlight hours, April signals the onset of the cooler months. The sunnier peak of the year reaches its zenith in December with an impressive 384 hours, but autumn graciously reminds us that even with fewer sunlit hours ahead, the spirit of bright days endures. As we move into May and beyond, the trend gently curves downward; however, April’s golden rays linger, presenting a perfect canvas for outdoor adventures in this beautiful corner of Australia.

Monthly Sunshine Duration in Perth: April Highlighted

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

Chance of Sun in Perth During April

April in Perth marks a transitional phase in weather patterns, with the likelihood of sunny days dipping to 54%. This decrease follows a trend where the abundant sunshine of the summer months—73% in January and 70% in February—starts to wane as autumn sets in. March showcases a further reduction to 61%, and by April, the probability of clear skies continues to hover just above half. As the days grow shorter and cooler, May sees a notable decline to 45%, signaling the approach of winter. Interestingly, despite April's drop, it still provides more opportunities for sunshine compared to the depths of winter, suggesting that Perth retains a chance of pleasant, sunny days even as the seasons change.

Percentage of Sunny Days in April in Perth

The chart illustrates the percentage of sunny days in Perth throughout the year, with April 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 Perth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec73%71%61%54%45%54%39%56%67%49%66%79%
Data source: Perth April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Perth in April

As the vibrant summer days of January and February give way to the cooler moods of autumn, Perth, Australia, experiences a gradual decline in daylight duration. Through March, sunlight remains abundant at 12 hours, but by April, the daylight dips to 11 hours, signaling the transition toward winter. This trend continues as May brings even shorter days with 10 hours of daylight, a pattern that holds steady through the following months of June and July. However, a slight recovery begins in September, returning to 11 hours, before climbing back up to 12 hours in October and peaking again at 13 hours in November. As the year wraps up, December blesses Perth with the longest daylight of 14 hours, creating a compelling rhythm of light that mirrors the changing seasons.

Average Daylight Hours in Perth for April

The chart illustrates the variation in daylight duration in Perth throughout the year, with April 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: Perth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Perth

As April arrives in Perth, Australia, the winds begin to mellow, with an average speed of 4.2 m/s (9 mph), marking a gentle transition from the bluster of previous months. This decline reflects a broader trend through the early autumn months, where wind speeds steadily decrease from 6.2 m/s in January to April's more serene pace. Interestingly, following this dip, May and June witness a slight uptick, returning to 4.4 m/s (10 mph), hinting at the region's dynamic weather patterns. As the year progresses, Perth's winds fluctuate with the seasons, but April's finesse invites a moment of calm—a perfect backdrop for enjoying the beautiful autumn hues.

Average April Wind Speed in Perth

The chart displays monthly wind speed patterns in Perth, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.25.84.74.2 m/s4.44.46.24.94.75.05.35.9
Data source: Perth April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Perth Compares to Other Months

The weather in Perth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April'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.

When comparing the weather in April and January, a few notable differences emerge. April experiences a wider temperature range, with minimums around 9°C (49°F) and maximums reaching 34°C (94°F), while January tends to be warmer overall, with a higher average temperature of 24°C (75°F) and maximums peaking at 37°C (99°F). Precipitation in April totals 21 mm (0.8 in) over three days, suggesting a slight chance of rain, whereas January remains dry with no recorded precipitation. Additionally, April has higher humidity levels at 70%, compared to January's 52%. For a more detailed look at the January weather, you can visit Perth weather in January.

In comparing the weather between April and February, April experiences cooler temperatures, with a minimum of 9°C and a comfortable average of 20°C, while February has higher readings, featuring a minimum of 14°C and an average of 24°C. February also sees a significant spike in maximum temperatures, reaching 38°C, compared to April's peak of 34°C. Additionally, February is much wetter, receiving 58 mm of precipitation over four days, whereas April has only 21 mm over three days. Humidity levels are higher in April at 70%, compared to February's 55%. For more details, you can check Perth weather in February.

In comparing the weather between March and April, we see some interesting trends. March tends to be slightly warmer overall, with an average temperature of 23°C (73°F) and maximum temperatures reaching up to 35°C (96°F), compared to April's average of 20°C (68°F) and a maximum of 34°C (94°F). Additionally, while both months experience the same amount of precipitation, 21 mm (0.8 in), March sees it spread over four days, compared to April's three days of rainfall. The humidity is notably lower in March at 59%, making it feel less muggy than April, which has a higher humidity of 70%. For more detailed insights into March weather, you can check Perth weather in March.

April generally offers warmer temperatures compared to May, with weekly averages reaching up to 20°C (68°F) and maximums peaking at 34°C (94°F). In contrast, May sees a cooler temperature range, averaging 17°C (62°F) and maxing out at 29°C (84°F). Additionally, May experiences more precipitation, with 58 mm (2.3 in) recorded over 8 days, while April has only 21 mm (0.8 in) of rain spread over just 3 days. The humidity levels remain relatively similar, with April at 70% and May slightly higher at 72%. For more detailed information, you can check Perth weather in May.

In comparing the weather of April and June, it's clear that April generally offers warmer temperatures, with an average of 20°C (68°F) and a maximum reaching up to 34°C (94°F). In contrast, June experiences cooler temperatures, averaging just 15°C (59°F) and peaking at 24°C (75°F). Additionally, April sees significantly less precipitation, with only 21 mm (0.8 in) over three days, while June is much wetter, receiving 107 mm (4.2 in) spread across 11 days. The humidity levels also rise slightly from April’s 70% to June’s 77%. For more details on the weather in June, you can refer to Perth weather in June.

April typically experiences warmer temperatures compared to July, with minimums around 9°C (49°F) and maximums reaching up to 34°C (94°F). In contrast, July's temperatures are cooler, featuring a minimum of 8°C (47°F) and a maximum of just 23°C (73°F). Additionally, April sees significantly less precipitation, with only 21 mm (0.8 in) over 3 days, while July is much wetter, accumulating 115 mm (4.5 in) over 16 days. The humidity slightly increases in July, averaging 77% compared to April's 70%. For a detailed look at July's weather, you can check Perth weather in July.

April typically enjoys warm temperatures in comparison to August, with averages around 20°C (68°F) and highs reaching up to 34°C (94°F). In contrast, August sees cooler temperatures, with an average of 14°C (58°F) and a maximum of only 26°C (78°F). Additionally, April experiences significantly less rainfall, averaging just 21 mm (0.8 in) over three days, while August is much wetter, receiving 103 mm (4.1 in) of precipitation over eleven days. Both months exhibit relatively high humidity, but August tends to be slightly more humid at 75%. For a detailed look at August weather conditions, you can visit Perth weather in August.

April and September present contrasting weather experiences. In April, temperatures range from a minimum of 9°C (49°F) to a maximum of 34°C (94°F), with an average of 20°C (68°F) and relatively low precipitation of 21 mm (0.8 in) over just 3 days. This month showcases warmer days and slightly lower humidity at 70%. Conversely, September offers cooler temperatures, with a minimum of 7°C (44°F), an average of 15°C (60°F), and a maximum of 28°C (83°F). The month sees a higher precipitation level of 42 mm (1.6 in) over 7 days, maintaining similar humidity at 71%. For a more detailed look at weather patterns, check out Perth weather in September.

April and October exhibit notable differences in weather patterns. In April, temperatures range from a mild minimum of 9°C (49°F) to a warm average of 20°C (68°F), peaking at a hot 34°C (94°F). The month sees relatively little precipitation, with just 21 mm (0.8 in) over 3 days and a higher humidity of 70%. In contrast, October presents cooler overall temperatures, with a minimum of 9°C (48°F), an average of 17°C (63°F), and a maximum of 32°C (90°F). Rainfall is more prolific in October, totaling 41 mm (1.6 in) over 7 days, while humidity decreases to 63%. For more detailed insights, you can check Perth weather in October.

April and November in Perth show some similarities in temperature, with both months averaging 20°C (68°F); however, April typically experiences slightly cooler minimum and maximum temperatures, ranging from 9°C (49°F) to 34°C (94°F), compared to November’s 10°C (50°F) to 35°C (96°F). Precipitation is also a factor, with April seeing 21 mm (0.8 in) over 3 days, while November has a bit more at 26 mm (1.0 in) over the same number of days. Additionally, April is characterized by higher humidity levels at 70%, whereas November experiences a drier atmosphere with humidity around 56%. For more details, you can check Perth weather in November.

In comparing April and December weather, April experiences a range of temperatures from a minimum of 9°C (49°F) to a maximum of 34°C (94°F), with an average temperature of 20°C (68°F). This month also sees around 21 mm (0.8 in) of precipitation over approximately three days and a humidity level of 70%. In contrast, December is slightly warmer, with temperatures ranging from a minimum of 10°C (51°F) to a scorching maximum of 40°C (104°F) and an average of 23°C (73°F). It is much drier in December, receiving only 8 mm (0.3 in) of rain over two days, accompanied by lower humidity at 53%. For more details, please refer to Perth weather in December.

Compare Perth's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Perth

As the summer heat fades, April in Perth ushers in comfortably mild temperatures, making it a delightful month for outdoor activities. With average temperatures hovering around a pleasant 20°C (68°F) and a minimal amount of rain over just a few days, this period stands out from the sweltering summer months. Humidity levels at 70% contribute to a refreshing atmosphere, contrasting sharply with the bracing heat experienced earlier in the year. This shift not only invites locals and visitors alike to enjoy the city's natural beauty but also sets the stage for the cooler winter months ahead. For a more comprehensive overview of weather patterns, visit Perth Climate.