April Weather in Adelaide, Australia

Last updated: February 25, 2025

April in Adelaide, Australia, is a delightful transition into cooler autumn temperatures, featuring a maximum of 30°C (87°F) and an average of 17°C (64°F). Morning chills are prevalent with a minimum of 10°C (49°F), perfect for layering your outfits. The month brings about 32 mm (1.3 in) of rainfall spread over 5 days, which contributes to the city’s lush landscapes. With an average humidity of 66%, the air remains pleasantly crisp, making it an ideal time to explore the scenic beauty and vibrant culture of Adelaide.

April Temperature in Adelaide

In April, Adelaide experiences a gentle transition into autumn, with temperatures reflecting this shift. The minimum temperature hovers around 10°C (49°F), while the average settles at a mild 17°C (64°F). As the month progresses, daytime highs reach a comfortable 30°C (87°F), marking it as one of the last warm months before winter sets in. Compared to the soaring temperatures of summer, April's climate offers a pleasant reprieve, making it an ideal time for outdoor activities and enjoying the city's blooming scenery. This gradual cooling trend from the summer's extremes is a hallmark of Adelaide’s April, inviting both locals and visitors to revel in the softer, more temperate days.

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

The chart illustrates April temperature patterns in Adelaide, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec706867635753525255596366
Data source: Temperature data for Adelaide 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.

April Precipitation in Adelaide

In April, Adelaide experiences a notable uptick in rainfall, with precipitation soaring to 32 mm (1.3 in) over 5 days of the month. This increase serves as a precursor to the wetter months that follow, contrasting sharply with the relatively dry summer months of January through March, which collectively recorded only 51 mm of rain. While the city welcomes the April showers, they herald a shift towards more consistent rainfall, as May sees precipitation nearly double to 61 mm (2.4 in) across 10 days. This trend not only indicates the arrival of autumn but also sets the stage for a significant increase in moisture as winter approaches, positioning April as a pivotal transition point in Adelaide's climatic rhythm.

April Precipitation Trends in Adelaide

The chart displays monthly precipitation patterns in Adelaide, 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.
JanFebMarAprMayJunJulAugSepOctNovDec162015326154687544383817
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Adelaide

In April, Adelaide experiences a noticeable rise in humidity, reaching a significant 66%, which marks a continuation of the upward trend that has been building since January. The gradual increase from 41% in January to this point reflects the transition into the cooler months, with March already climbing to 55%. As the city heads into May and June, humidity levels are expected to peak, with May reaching an even higher 73%. This consistent pattern indicates a shift from the drier summer months, as the air becomes more saturated in response to seasonal changes. Overall, April serves as a pivotal moment in Adelaide's annual humidity cycle, bridging the gap between the warmth of summer and the chill of winter.

April Average Humidity in Adelaide

This chart illustrates the average monthly humidity levels in Adelaide, 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.
JanFebMarAprMayJunJulAugSepOctNovDec41%46%55%66%73%76%76%70%65%51%50%46%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Adelaide

In April, Adelaide experiences a UV Index of 8, categorized as very high, which means careful sun protection is essential, with a burn time of 15 minutes. This marks a noticeable decline from the extreme levels in the preceding months of January to March, where indices soared between 12 and 14, resulting in just 10 minutes before sunburn could occur. Looking ahead, the UV intensity continues to diminish, dipping to moderate levels in May with an index of 5, indicating longer safe exposure times. Overall, April serves as a transitional month, bridging the exceptionally high summer months with the milder sun conditions of autumn. For more detailed insights, visit Adelaide UV Index.

Maximum UV Index Levels in Adelaide for April

The chart shows the monthly maximum UV Index (UVI) for Adelaide 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.
JanFebMarAprMayJunJulAugSepOctNovDec141312853457101215
Data source: Adelaide 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 Adelaide

April in Adelaide experiences a notable dip in sunshine hours, with 259 hours of radiant light. This decrease follows a vibrant March that boasted 309 hours, showcasing the city's sunniest days. As summer transitions to autumn, sunshine starts to wane, with May trailing behind at 236 hours. While the month may not shine as brightly as its predecessors, April's still resonates with the warmth of the lingering summer, setting the stage for the cooler months ahead. The changing patterns highlight Adelaide's dynamic climate, where each month brings its own unique character to the sunny Australian landscape.

Monthly Sunshine Duration in Adelaide: April Highlighted

The April sunshine duration represents the total number of hours Adelaide 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.
JanFebMarAprMayJunJulAugSepOctNovDec293h298h309h259h236h224h240h252h280h305h319h356h
Data source: Adelaide April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Adelaide During April

In Adelaide, Australia's April showcases a 60% chance of sunny weather, which is a slight dip from the increasing trend seen in the previous months. Both January and February began the year with probabilities hovering around 57% and 59%, respectively, while March reached a peak of 63%. This gradual rise hints at the end of the sultry summer, making way for the milder days of autumn. As temperatures start to cool, May sees a significant fall to 40%, emphasizing the transitional nature of the season. While April may not boast the sunniest average, it still maintains a pleasant degree of brightness, making it an attractive time to explore the city's outdoor attractions before the colder months set in.

Percentage of Sunny Days in April in Adelaide

The chart illustrates the percentage of sunny days in Adelaide 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 Adelaide experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%59%63%60%40%40%38%54%55%52%43%71%
Data source: Adelaide April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Adelaide in April

As autumn settles over Adelaide in April, the city experiences a notable shift in daylight duration, with sunlight dwindling to 11 hours. This decrease marks a transition from the long, sun-drenched days of summer, where January enjoys a generous 14 hours of daylight, down to the approaching winter months. Each month reveals a gradual decline, peaking in mid-summer with February's 13 hours before cascading down to 10 hours in May. This trend reflects the natural rhythm of the seasons, inviting residents and visitors alike to embrace the cooler evenings and shorter days, while still basking in the lingering warmth of the waning autumn sun.

Average Daylight Hours in Adelaide for April

The chart illustrates the variation in daylight duration in Adelaide throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 11m13h 20m12h 16m11h 10m10h 16m9h 49m10h 3m10h 50m11h 52m12h 57m13h 56m14h 26m
Data source: Adelaide daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Adelaide

April in Adelaide brings a gentler breeze, with an average wind speed of 4.0 m/s (9 mph), marking it as one of the calmer months of the year. Following the progressively decreasing wind speeds from the previous months, this slight dip from March's 4.4 m/s (10 mph) offers a tranquil respite before the winds pick up again in May. It's interesting to note that while January and June both enjoy brisker winds at 5.2 m/s (12 mph), April stands out for its calmness, inviting residents and visitors alike to relish in the serenity of the season. As Adelaide transitions into winter, the April winds lay the foundation for the cooler and occasionally breezier months ahead.

Average April Wind Speed in Adelaide

The chart displays monthly wind speed patterns in Adelaide, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.14.44.0 m/s4.65.26.24.75.35.05.35.0
Data source: Adelaide April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Adelaide Compares to Other Months

The weather in Adelaide 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 Adelaide and find detailed weather information for every month.

When comparing the weather in April and January, it's evident that January generally experiences higher temperatures, with minimums around 13°C (55°F) and maximums reaching up to 39°C (103°F), while April sees milder temperatures, ranging from a minimum of 10°C (49°F) to a maximum of 30°C (87°F). Additionally, January has less precipitation, averaging 16 mm (0.6 in) over just 2 days, compared to April's 32 mm (1.3 in) across 5 days, indicating that April is a wetter month. Furthermore, the humidity in January is notably lower at 41% compared to April's 66%, making January feel warmer and drier despite its higher average temperatures. For a detailed look at January weather, check out Adelaide weather in January.

In comparing the weather of February and April, February tends to be warmer overall, with average temperatures reaching around 20°C (69°F) and maximums soaring up to 34°C (93°F). In contrast, April sees slightly cooler temperatures, averaging 17°C (64°F) and peaking at 30°C (87°F). Additionally, humidity levels are notably lower in February at 46%, compared to April's 66%, which may contribute to a drier feel in the former month. Precipitation is also less frequent in February, with only 20 mm (0.8 in) falling over approximately 3 days compared to April's 32 mm (1.3 in) across 5 days. For more specifics about February weather, you can check out Adelaide weather in February.

In comparing the weather of April and March, April tends to be slightly cooler, with average temperatures ranging from a minimum of 10°C (49°F) to a maximum of 30°C (87°F), while March experiences higher temperatures, peaking at 33°C (92°F) and an average of 19°C (67°F). Precipitation is more considerable in April, totaling 32 mm (1.3 in) over 5 days, compared to just 15 mm (0.6 in) over 4 days in March. Additionally, April has a higher humidity level at 66%, compared to March's 55%. For more detailed information, check out Adelaide weather in March.

In comparing the weather patterns of April and May, April presents a warmer climate with an average temperature of 17°C (64°F) and highs reaching up to 30°C (87°F). In contrast, May experiences cooler conditions, with an average temperature of 14°C (58°F) and maximum temperatures peaking at 25°C (77°F). Additionally, May sees increased precipitation, totaling 61 mm (2.4 in) over 10 days, compared to April's 32 mm (1.3 in) over 5 days. This shift is also reflected in the rise in humidity, which climbs from 66% in April to 73% in May. For more detailed information on May's weather, visit Adelaide weather in May.

In comparing the weather patterns of April and June, it is evident that April tends to be warmer with an average temperature of 17°C (64°F) and a maximum reaching up to 30°C (87°F). In contrast, June experiences cooler temperatures, with an average of 12°C (53°F) and a maximum of only 19°C (66°F). Additionally, April receives less precipitation, totaling 32 mm (1.3 in) over 5 days, while June shows increased rainfall with 54 mm (2.1 in) spread over 10 days. The humidity in June is also higher at 76%, compared to April's 66%. For more details, you can check Adelaide weather in June.

April and July present quite different weather conditions. In April, temperatures range from a minimum of 10°C (49°F) to a maximum of 30°C (87°F), with an average of 17°C (64°F). The month experiences 32 mm (1.3 in) of precipitation over approximately 5 days and has a relatively moderate humidity of 66%. In contrast, July is cooler, with a minimum temperature of 6°C (42°F) and a maximum of 18°C (65°F), averaging just 11°C (53°F). Precipitation in July is higher, totaling 68 mm (2.7 in) over about 12 days, accompanied by increased humidity levels at 76%. For more specific insights into conditions in July, check out Adelaide weather in July.

April and August present contrasting weather patterns in terms of temperature and precipitation. In April, temperatures range from a mild 10°C (49°F) at night to a warm 30°C (87°F) during the day, with an average of 17°C (64°F). The month sees relatively low precipitation, totaling 32 mm (1.3 in) over about 5 days, and a moderate humidity level of 66%. In contrast, August experiences much cooler temperatures, with a minimum of 5°C (41°F) and a maximum of just 20°C (68°F), resulting in an average of only 11°C (52°F). This month is also wetter, with precipitation reaching 75 mm (2.9 in) across 12 days and a slightly higher humidity of 70%. For more details, you can check Adelaide weather in August.

In April, temperatures tend to be warmer, with average highs reaching up to 30°C (87°F) compared to September's maximum of 25°C (77°F). While both months experience moderate humidity, April's average is slightly higher at 66% versus September's 65%. Rainfall is also more frequent in September, with 44 mm (1.7 in) of precipitation over 9 days, compared to April's 32 mm (1.3 in) over just 5 days. For those interested in more detailed weather patterns, you can explore Adelaide weather in September.

April and October showcase distinct weather patterns, reflecting the transition from spring to autumn. In April, temperatures range from a minimum of 10°C to a warm maximum of 30°C, with an average of 17°C and a moderate humidity of 66%. Precipitation during this month is relatively lower at 32 mm, falling over about 5 days. In contrast, October experiences slightly cooler temperatures, with a minimum of 8°C and an average of 15°C, while still reaching a maximum of 30°C. This month sees increased precipitation at 38 mm over about 7 days, but the humidity drops to 51%, creating a drier feel as the season shifts. For more detailed information, you can visit Adelaide weather in October.

In comparing the weather between April and November, both months exhibit similar average temperatures, hovering around 17°C (64°F). However, April tends to be slightly warmer on the lower end, with a minimum temperature of 10°C (49°F), while November starts out cooler at a minimum of 8°C (47°F). Notably, November can experience a higher maximum temperature of up to 34°C (93°F), compared to April's maximum of 30°C (87°F). Additionally, November has slightly more precipitation at 38 mm (1.5 in) over 6 days, while April sees 32 mm (1.3 in) over 5 days, contributing to a higher humidity level of 66% in April versus 50% in November. For a deeper understanding of the weather patterns, you can explore Adelaide weather in November.

In comparing the weather of April and December, it’s evident that both months experience similar minimum temperatures, about 10°C (49°F) and 10°C (51°F), respectively. However, December typically boasts higher average temperatures of around 19°C (67°F) compared to April's 17°C (64°F), with December also seeing a peak temperature that can reach up to 36°C (97°F), significantly warmer than April’s maximum of 30°C (87°F). Precipitation in December is lower, totaling 17 mm (0.7 in) across 4 days, while April experiences slightly more rainfall at 32 mm (1.3 in) over 5 days. Additionally, December tends to be less humid at 46%, in contrast to April's 66%. For more detailed information, you can refer to Adelaide weather in December.

Compare Adelaide's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Adelaide

As April unfolds in Adelaide, the weather presents a delightful blend of warmth and moderation, setting it apart from the sweltering summer months. With maximum temperatures reaching up to 30°C, residents and visitors alike can revel in pleasant, sunny days, while the average temperature hovers around 17°C, offering refreshing evenings. Compared to the higher humidity prevalent in summer, April boasts a more comfortable 66%, creating an inviting atmosphere for outdoor activities. Though there's an average of five days of rain throughout the month, the overall 32 mm of precipitation doesn’t diminish the charm of this autumn transition. For a deeper dive into what makes Adelaide's climate unique year-round, be sure to check out Adelaide Climate.