May Weather in Portarlington, Australia

Last updated: February 25, 2025

May in Portarlington, Australia presents a delightful blend of mild temperatures and refreshing coastal breezes. Maximum temperatures reach a comfortable 22°C (72°F), while averages hover around 14°C (57°F), ensuring a pleasant atmosphere for outdoor activities. The month sees minimums dipping to 8°C (46°F), perfect for cozy evenings. Expect 66 mm (2.6 in) of rainfall spread over 11 days, contributing to the area’s lush landscapes. With humidity levels at a significant 80%, this month is an ideal time for enjoying the vibrant, yet tranquil character of Portarlington amidst its beautiful natural surroundings.

May Temperature in Portarlington

In May, Portarlington experiences a noticeable drop in temperatures as autumn deepens. Minimums settle around 8°C (46°F), while averages linger at a crisp 14°C (57°F), and daytime highs reach a comfortable 22°C (72°F). This transition from April’s mild warmth highlights a shift towards cooler, more refreshing days. The gentle decrease in temperature not only marks the end of warmer months but also invites residents and visitors to enjoy the picturesque landscapes under a slightly chillier sky, perfect for outdoor activities with a cozy jacket in tow.

May Weather in Portarlington: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Portarlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec686666615652515154576164
Data source: Temperature data for Portarlington 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.

May Precipitation in Portarlington

May brings a notable increase in precipitation to Portarlington, Australia, with rainfall amounting to 66 mm (2.6 in) over 11 days—the highest for the month in comparison to preceding months. This trend reflects a gradual uptick in rainfall as the region transitions from the drier summer months into the more temperate winter season. With rainfall intensifying from 56 mm in April to May’s peak, it's clear that the arrival of cooler weather prompts a shift toward wetter conditions. This pattern carries into June, where precipitation remains substantial, reinforcing the notion that May serves as a pivotal precursor to the region's winter rainfall dynamics.

May Precipitation Trends in Portarlington

The chart displays monthly precipitation patterns in Portarlington, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec415243566758415757716562
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Portarlington

In May, Portarlington, Australia, experiences a noticeable rise in humidity, reaching 80%, a peak that sets the stage for the winter months ahead. This increase is part of a gradual upward trend observed from January through April, where humidity levels climbed from 65% to 75%. Following May, humidity remains consistent at 80% for the next two months, highlighting the region's characteristic dampness during the cooler season. As temperatures begin to drop in August, humidity slightly decreases to 79%, but overall, the data reflects a pattern of sustained humidity, indicating a coastal climate that thrives on moisture nearly year-round.

May Average Humidity in Portarlington

This chart illustrates the average monthly humidity levels in Portarlington, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec65%67%71%75%80%80%81%79%76%72%72%69%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Portarlington

As the seasons transition in Portarlington, Australia, May brings a noticeable drop in the UV Index, with a rating of 4, categorized as moderate. This is a significant decline from the extreme levels observed earlier in the year, particularly in the peak summer months like January, February, and March. With a burn time of 30 minutes, residents and visitors can enjoy outdoor activities with a bit more leeway, albeit it's still wise to practice sun safety. This trend of decreasing UV exposure continues into June and July, making May a more comfortable time for sun-seekers. For detailed insights and daily updates, you can visit the Portarlington UV Index.

Maximum UV Index Levels in Portarlington for May

The chart shows the monthly maximum UV Index (UVI) for Portarlington in May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec13121174334791113
Data source: Portarlington May 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.

May Sunshine in Portarlington

May in Portarlington, Australia, marks a noticeable dip in sunshine hours, with 217 hours illuminating the month—reflecting the shift from the vibrant warmth of previous months. As autumn sets in, sunshine hours gradually decline, peaking in January with 279 hours, before slowly tapering off through April. However, the decline in May is not as steep as the following months, hinting at a lingering hint of brightness before winter takes full hold; June offers just 194 hours. This trend suggests that while May is the beginning of the darker months, it still holds onto a comforting warmth from the brighter autumn days, inviting residents and visitors to bask in the gentle sunlight before the chill of winter sets in.

Monthly Sunshine Duration in Portarlington: May Highlighted

The May sunshine duration represents the total number of hours Portarlington experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec279h289h283h241h217h194h214h236h263h291h303h341h
Data source: Portarlington May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portarlington During May

In Portarlington, Australia, May stands out with a 40% chance of sunny weather, matching the optimism seen in April. This trend reflects a transitional period as the region shifts from the warmer summer months into the cooler winter season. Notably, August sees a peak at 41%, suggesting a slight resurgence of sunshine later in the year, while the sunniest month, December, boasts a remarkable 48%, indicating that the summer continues to shine bright. Overall, May offers a refreshing balance in the annual weather cycle, where the likelihood of sunny days remains promising without reaching the seasonal extremes.

Percentage of Sunny Days in May in Portarlington

The chart illustrates the percentage of sunny days in Portarlington throughout the year, with May 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 Portarlington experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%38%32%40%40%33%34%41%42%39%33%48%
Data source: Portarlington May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portarlington in May

As the year unfolds in Portarlington, Australia, daylight duration takes a distinct journey through the seasons. Starting with a generous 14 hours in January, sunlight gradually wanes, dropping to 10 hours by the time May arrives. This decline reflects the onset of cooler months, where April and May each offer shorter days, encouraging cozy indoor gatherings. However, as winter fades into spring, the days begin to lengthen once more, with daylight creeping back to 11 hours in September and 13 hours in October. Finally, the year closes out with the robust 14 hours of light once again in December, wrapping up the cycle with a promise of warmth and brightness. This rhythmic shift not only captures the essence of seasonal change but also invites residents and visitors alike to embrace the sunlit moments throughout the year.

Average Daylight Hours in Portarlington for May

The chart illustrates the variation in daylight duration in Portarlington throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 27m13h 30m12h 17m11h 4m10h 3m9h 32m9h 47m10h 40m11h 50m13h 4m14h 10m14h 44m
Data source: Portarlington daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Portarlington

In Portarlington, Australia, May brings a gentle breeze with an average wind speed of 5.5 m/s (12 mph), matching the calmer conditions of the preceding months. As we transition from autumn to winter, the winds remain consistent, maintaining a moderate pace that invites outdoor activities without overwhelming gusts. Looking at the trends over the year, it's interesting to note that the wind speeds dip slightly from the end of summer, averaging higher during the winter months of July and August, where they peak at 6.6 m/s (15 mph). This consistency in May hints at a reliable balance in Portarlington's climate, making it an appealing time for both locals and visitors to enjoy the coastal charm while basking in the refreshing air.

Average May Wind Speed in Portarlington

The chart displays monthly wind speed patterns in Portarlington, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.05.55.25.35.5 m/s5.56.66.16.45.96.05.8
Data source: Portarlington May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Portarlington Compares to Other Months

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

May and January in Portarlington offer distinctly different weather experiences. In May, temperatures range from a minimum of 8°C (46°F) to a maximum of 22°C (72°F), with an average of 14°C (57°F). The month sees about 66 mm (2.6 in) of precipitation over 11 days, and humidity levels are relatively high at 80%. In contrast, January features warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a sweltering maximum of 34°C (93°F) and an average of 20°C (68°F). This month experiences less rainfall, totaling 41 mm (1.6 in) across 7 days, and a lower humidity of 65%. For more details about January weather, visit Portarlington weather in January.

When comparing the weather in May and February, notable differences emerge. May experiences cooler temperatures, with a minimum of 8°C (46°F) and an average of 14°C (57°F), whereas February boasts warmer conditions, with a minimum of 13°C (55°F) and an average of 19°C (67°F). February also sees a maximum temperature that can soar up to 36°C (96°F), significantly higher than May's maximum of 22°C (72°F). In terms of precipitation, May has slightly more rainfall at 66 mm (2.6 in) over 11 days compared to February's 52 mm (2.0 in) over 8 days. Additionally, May's humidity level is higher at 80%, compared to February's 67%. For a more detailed look at February's weather, check out Portarlington weather in February.

When comparing the weather in May and March, we see distinct differences. May features milder temperatures with a minimum of 8°C (46°F) and an average of 14°C (57°F), peaking at 22°C (72°F). In contrast, March exhibits warmer conditions overall, with a minimum of 11°C (53°F) and an average high reaching 30°C (87°F). While May receives more precipitation at 66 mm (2.6 in) over 11 days, March offers a drier experience with only 43 mm (1.7 in) across 8 days and lower humidity levels at 71%. For a closer look at March weather specifics, you can refer to Portarlington weather in March.

In comparing the weather between April and May, April tends to be slightly warmer, with average temperatures reaching 16°C (61°F) and maximums peaking at 26°C (80°F). In contrast, May experiences cooler conditions, with average temperatures around 14°C (57°F) and maximums of only 22°C (72°F). Additionally, April has less precipitation, totaling 56 mm (2.2 in) over 8 days, compared to May's 66 mm (2.6 in) spread across 11 days. Humidity levels are also higher in May at 80%, compared to April's 75%. For more detailed weather information, you can check Portarlington weather in April.

In comparing the weather of May and June, May generally experiences milder temperatures, with minimums around 8°C (46°F) and maximums reaching 22°C (72°F), whereas June sees a slight drop, with minimums at 5°C (41°F) and maximums only reaching 16°C (62°F). Despite the decrease in average temperature, both months share similar humidity levels of 80%. Additionally, May tends to have slightly more precipitation, averaging 66 mm (2.6 in) over 11 days compared to June's 58 mm (2.3 in) over 10 days. For a detailed overview of June's climate, you can check Portarlington weather in June.

In comparing the weather of May and July, May tends to be warmer with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 22°C (72°F), while July sees cooler temperatures, with a minimum of 5°C (42°F) and a maximum of only 16°C (61°F). Precipitation is slightly higher in May, at 66 mm (2.6 in) compared to July's 41 mm (1.6 in), though both months experience rainfall on about 11 days. Humidity remains constant at 80% for both months, giving the air a similar damp feel. For more detailed insights into July weather, you can check out Portarlington weather in July.

May and August exhibit distinct weather patterns, reflecting the transition into late spring and early autumn. In May, temperatures range from a minimum of 8°C to a maximum of 22°C, with an average of 14°C. This month also sees higher precipitation at 66 mm over 11 days, accompanied by relatively high humidity at 80%. In contrast, August features cooler conditions, with temperatures dipping slightly to a minimum of 6°C and a maximum of 18°C, averaging 11°C. Precipitation is lower in August at 57 mm, spread over 13 days, and humidity remains comparable at 79%. For a detailed look at August weather conditions, visit Portarlington weather in August.

May and September exhibit noticeable differences in weather patterns. May tends to be warmer, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 22°C (72°F), while September shows slightly cooler averages, with a minimum of 6°C (43°F) and a maximum of 23°C (74°F). Both months experience around 11 days of precipitation, but May sees a bit more rain, totaling 66 mm (2.6 in) compared to September's 57 mm (2.3 in). Humidity levels are higher in May at 80%, whereas September experiences a slightly drier average humidity of 76%. For more detailed information, you can visit Portarlington weather in September.

In May, temperatures range from a minimum of 8°C (46°F) to a maximum of 22°C (72°F), with an average of 14°C (57°F). The month experiences about 66 mm (2.6 in) of precipitation over 11 days, accompanied by high humidity levels of 80%. In contrast, October sees slightly cooler minimum temperatures at 9°C (48°F) but boasts warmer maximum temperatures reaching 26°C (79°F). With an average temperature similar to May at 14°C (58°F), October has a similar precipitation level of 71 mm (2.8 in) across 12 days, though humidity dips to 72%. For a closer look at the climate specifics, check out Portarlington weather in October.

In May, temperatures range from a minimum of 8°C to a maximum of 22°C, with an average of 14°C, while November sees a slightly warmer profile, with temperatures ranging from 9°C to a high of 31°C and an average of 16°C. Both months experience similar levels of precipitation at 66 mm, spread over 11 days, but November boasts a lower humidity of 72% compared to May’s 80%. This results in a more comfortable atmosphere in November, making it a more pleasant time for outdoor activities. For further details, you can check Portarlington weather in November.

In May, the weather is generally cooler, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 22°C (72°F), along with an average temperature of 14°C (57°F). This month experiences higher humidity levels at 80% and sees about 66 mm (2.6 in) of precipitation over 11 days. In contrast, December offers warmer temperatures, ranging from a minimum of 10°C (51°F) to a high of 35°C (95°F), with an average of 18°C (64°F). Despite being slightly drier with just 61 mm (2.4 in) of precipitation over 8 days, December's humidity decreases to 69%, creating a more comfortable atmosphere. For more detailed information, check out Portarlington weather in December.

Compare Portarlington's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Portarlington

As May settles in, Portarlington experiences a noticeable shift in weather patterns that sets it apart from the milder months preceding it. With temperatures gradually dropping, the days become cooler and more unpredictable, often accompanied by increased humidity and frequent rain. The month typically sees a mix of cozy, crisp days and wet spells, creating a lush, vibrant atmosphere as nature prepares for winter. This transition is characterized by more wet weather, resulting in a higher number of rainy days compared to earlier months. For those looking to plan their visit while navigating these shifting conditions, it's essential to stay informed about the local climate patterns. For more detailed information, visit Portarlington Climate.