May Weather in Byron Bay, Australia

Last updated: February 25, 2025

May in Byron Bay, Australia, brings a delightful mix of mild temperatures and refreshing coastal breezes. With a maximum of 27°C (80°F) and an average temperature of 18°C (65°F), outdoor enthusiasts can enjoy the beautiful scenery without the sweltering heat. As the days become cooler, temperatures can dip to a comfortable minimum of 9°C (49°F). However, bear in mind that May is not without its rain, averaging 61 mm (2.4 in) of precipitation over 11 days, contributing to the lush greenery of the region. Humidity levels hover around 73%, enhancing the tropical feel of this stunning destination. Whether you're exploring the vibrant local culture or indulging in the area's natural beauty, May offers a unique charm that makes Byron Bay an inviting escape.

May Temperature in Byron Bay

May in Byron Bay marks a gentle transition into winter, bringing milder temperatures that invite both relaxation and adventure. With minimum temperatures dropping to 9°C (49°F), the mornings can be crisp, while the average temperature holds at a comfortable 18°C (65°F). The pleasant highs of 27°C (80°F) still allow for enjoyable beach days, although the overall warmth is noticeably less intense compared to the scorching summer months. This shift from April's warmer averages reflects the onset of cooler weather, making May a perfect time for outdoor activities and enjoying the region's stunning natural beauty without the summer crowds. With rich, clear days and refreshing evenings, May captures Byron Bay at its most serene.

May Weather in Byron Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Byron Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec777674696460596064687175
Data source: Temperature data for Byron Bay 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.

May Precipitation in Byron Bay

May in Byron Bay sees a notable reduction in precipitation, with an average of 61 mm (2.4 in) of rain falling over just 11 days. Following the wet months of February and March, which each surpassed 190 mm, May marks a transitional period into drier conditions as winter approaches. This decline is evident when compared to April's rainfall of 82 mm (3.2 in), suggesting a shift toward more stable weather. June continues this trend, bringing similar precipitation levels, indicating that May serves as a gentle prelude to the season's drier months. Overall, the steady decrease in both rainfall and rainy days aligns with the overall seasonal patterns observed in Byron Bay, highlighting the region's diverse climate throughout the year.

May Precipitation Trends in Byron Bay

The chart displays monthly precipitation patterns in Byron Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7519919282618257303813181148
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Byron Bay

In May, Byron Bay experiences a welcoming dip in humidity, averaging 73%, which marks the beginning of a gradual decline that continues through the cooler winter months. After a summer peak in January and February, when humidity reaches 78% and 80% respectively, this drop is a refreshing change for both residents and visitors. As the seasons shift, the humidity levels remain relatively stable, settling around the 71% mark from June to August. This mild atmospheric condition creates a comfortable environment, making May an ideal time to explore the beauty of Byron Bay without the heavy stickiness of the summer months. As the year unfolds, humidity begins to rise again in November, hinting at the return of the warmer, more humid summer days ahead.

May Average Humidity in Byron Bay

This chart illustrates the average monthly humidity levels in Byron Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%80%78%74%71%70%71%69%71%76%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Byron Bay

In May, Byron Bay experiences a notable shift in UV exposure with an UV Index of 7, categorized as high, which increases the recommended burn time to 25 minutes. This marks a decline from the previous months of extreme and very high indices, where the urgent need for sun protection was paramount. As autumn unfolds, the sun's intensity lessens compared to the blistering summer months, which consistently showcase indices soaring as high as 15. However, even in May, it's essential to remain vigilant, as UV rays can still pose a risk, advocating for sun safety practices. For more detailed information on daily UV levels and trends, visit Byron Bay UV Index.

Maximum UV Index Levels in Byron Bay for May

The chart shows the monthly maximum UV Index (UVI) for Byron Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec1515131074579111315
Data source: Byron Bay 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 Byron Bay

May in Byron Bay experiences a delightful balance of sunshine, with 253 hours lighting up this picturesque coastal town. As autumn sets in, daylight begins to wane compared to the vibrant summer months, yet this slight dip from April's 270 hours still offers plenty of opportunity to enjoy the outdoors. Interestingly, as we transition into winter, it’s notable that the region finds itself weathering a gradual reduction in sunshine, with June bringing just 238 hours. However, May’s charm is unmistakable, showcasing a beautiful blend of milder temperatures and golden rays, enticing visitors to bask in the coastal splendor before winter takes hold. The overall trend highlights Byron Bay’s sunny disposition throughout the year, making it an alluring destination for sunshine seekers.

Monthly Sunshine Duration in Byron Bay: May Highlighted

The May sunshine duration represents the total number of hours Byron Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec277h276h280h270h253h238h257h288h298h294h325h326h
Data source: Byron Bay May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Byron Bay During May

In May, Byron Bay enjoys a 54% chance of sunny weather, making it a delightful time to visit as the region transitions into the cooler months. This probability is slightly lower than the preceding April, which boasts a sunnier 56%, yet it marks a notable increase compared to earlier months like January and February. As we move towards late autumn, the likelihood of sunshine continues to rise, with June and July reaching 61% and 64% respectively. This trend highlights May as a sweet spot for sunshine, just before the winter months further enhance sunny days, making it an inviting option for outdoor adventures amidst the breathtaking landscapes of Byron Bay.

Percentage of Sunny Days in May in Byron Bay

The chart illustrates the percentage of sunny days in Byron Bay 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 Byron Bay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%34%37%56%54%61%64%70%65%50%29%42%
Data source: Byron Bay May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Byron Bay in May

In Byron Bay, Australia, the daylight hours gradually diminish as May approaches, marking a clear transition towards winter. Starting from January and February, when the sun graces us with about 13 hours of light, the days steadily reduce in length. By March, daylight shrinks to 12 hours, and in April, it dips further to 11 hours. May continues this trend, settling at 10 hours of daylight, which remains constant through June and July. However, as winter transitions into late winter and spring, daylight begins to stretch again in August, with 11 hours returning. This rhythmic cycle establishes Byron Bay as a place where the sun casts its light generously in the summer months while offering a cozy, shorter daylight experience as winter unfolds.

Average Daylight Hours in Byron Bay for May

The chart illustrates the variation in daylight duration in Byron Bay throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 44m13h 4m12h 13m11h 22m10h 40m10h 19m10h 29m11h 6m11h 54m12h 46m13h 32m13h 55m
Data source: Byron Bay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Byron Bay

In May, Byron Bay experiences a slight dip in wind speed, averaging around 3.1 m/s (7 mph), which is a gentle breeze compared to the preceding months. This trend marks the transition into the cooler winter months, where wind speeds consistently remain on the lower side, hovering between 3.1 m/s and 3.6 m/s in the following months. Interestingly, this shift is part of a larger pattern where the calmest winds are typically found in late autumn to early winter, offering a serene atmosphere ideal for leisurely coastal strolls and outdoor activities. As the year progresses towards spring, anticipation builds for the return of stronger breezes typical of Byron Bay, enhancing the vibrant beach culture.

Average May Wind Speed in Byron Bay

The chart displays monthly wind speed patterns in Byron Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.53.43.43.1 m/s3.33.63.14.23.73.63.4
Data source: Byron Bay May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Byron Bay Compares to Other Months

The weather in Byron Bay 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 Byron Bay and find detailed weather information for every month.

When comparing the weather in May and January, notable differences emerge. May experiences milder temperatures, with a minimum of 9°C (49°F) and an average of 18°C (65°F), peaking at 27°C (80°F). In contrast, January is significantly warmer, with a minimum of 16°C (61°F), an average of 25°C (77°F), and a maximum of 34°C (94°F). While precipitation is slightly higher in January at 75 mm (2.9 in) over 10 days compared to May's 61 mm (2.4 in) over 11 days, both months maintain relatively high humidity levels, with January at 78% and May at 73%. For more detailed information, you can refer to Byron Bay weather in January.

When comparing the weather in February and May, distinct differences emerge. February features warmer temperatures, with daily averages around 24°C (76°F) and maximums reaching up to 36°C (98°F). In contrast, May presents a cooler climate, averaging 18°C (65°F) and peaking at 27°C (80°F). Additionally, February experiences significantly higher precipitation, averaging 199 mm (7.8 in) over 15 days, compared to May's 61 mm (2.4 in) over 11 days. Humidity levels are also slightly higher in February at 80%, while May's humidity sits at 73%. For a closer look at February weather patterns, you can visit Byron Bay weather in February.

In comparing the weather between March and May, we observe distinct variations in temperature and precipitation. March features a warmer climate with average temperatures reaching 23°C (74°F) and maximums peaking at 33°C (92°F), while May presents cooler averages of 18°C (65°F), with maximum temperatures reaching 27°C (80°F). Additionally, March experiences significantly higher precipitation, totaling 192 mm (7.5 in) over 20 days, in contrast to May's 61 mm (2.4 in) over 11 days. This results in March being both warmer and wetter, with a humidity level of 80%, slightly higher than May's 73%. For more detailed insights about March weather, you can explore Byron Bay weather in March.

In comparing the weather of April and May, April tends to be warmer on average with a minimum temperature of 12°C (53°F) and a maximum of 31°C (88°F). In contrast, May features cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 27°C (80°F). However, April experiences higher humidity at 78% and increased precipitation, recording 82 mm (3.2 in) over 13 days, compared to May's 61 mm (2.4 in) over 11 days. For more details about April weather, check out Byron Bay weather in April.

May generally offers slightly warmer temperatures than June, with average highs reaching 27°C (80°F) compared to June's maximum of 23°C (74°F). The minimum temperatures in May are also marginally higher, at 9°C (49°F), whereas June starts with a minimum temperature of 8°C (46°F). Precipitation increases in June, with 82 mm (3.2 in) expected over 12 days, whereas May sees 61 mm (2.4 in) over 11 days. Humidity levels are relatively similar, with May at 73% and June at 71%. For more specific insights and details about June's weather, check out Byron Bay weather in June.

In comparing the weather of May and July, it is notable that May experiences warmer temperatures, with an average of 18°C (65°F) and a maximum of 27°C (80°F), while July has a lower average temperature of 15°C (59°F) and a maximum of 24°C (76°F). Precipitation levels are relatively similar, with May receiving 61 mm (2.4 in) over 11 days and July showing slightly less at 57 mm (2.3 in) across 8 days. Additionally, May's humidity is marginally higher at 73% compared to July’s 70%. For more specific details about the weather in Byron Bay during this period, you can visit Byron Bay weather in July.

May and August show some notable differences in weather patterns. In May, temperatures range from a minimum of 9°C (49°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). This month experiences more precipitation, totaling 61 mm (2.4 in) over 11 days, which contributes to a higher humidity level of 73%. In contrast, August tends to be cooler, with temperatures dipping to a minimum of 6°C (43°F) and averaging 16°C (61°F), while still peaking at 27°C (82°F). Rainfall is significantly reduced in August to just 30 mm (1.2 in) across 4 days, resulting in lower humidity at 71%. For more detailed insights on August weather, you can visit Byron Bay weather in August.

May and September share similar minimum temperatures, both starting at around 9°C (49°F), but September tends to be warmer overall, reaching maximum temperatures of up to 32°C (90°F) compared to May's 27°C (80°F). The average temperatures in both months hover around 18°C (64-65°F), providing a comfortable experience. In terms of precipitation, May is wetter with 61 mm (2.4 in) over 11 days, while September sees less rain at 38 mm (1.5 in) over just 5 days, contributing to slightly lower humidity levels at 69%. For more specific details on September weather, you can refer to Byron Bay weather in September.

May and October present distinct weather patterns. In May, temperatures range from a minimum of 9°C (49°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). The month experiences about 61 mm (2.4 in) of precipitation over 11 days, accompanied by relatively high humidity at 73%. In contrast, October showcases slightly warmer conditions, with temperatures ranging from a minimum of 11°C (51°F) to a peak of 31°C (88°F) and an average of 20°C (69°F). However, it also sees increased rainfall, accumulating to 131 mm (5.1 in) across 13 days, while humidity remains similar at 71%. For more detailed insights, you can check Byron Bay weather in October.

When comparing the weather in May and November, it's clear that November boasts warmer temperatures overall. In May, the average temperature hovers around 18°C (65°F), with a maximum of 27°C (80°F), while November sees an average of 22°C (71°F) and a peak of 32°C (90°F). Additionally, November experiences slightly higher precipitation, at 81 mm (3.2 in) over 11 days, compared to May's 61 mm (2.4 in) across the same number of days. Humidity levels are also similar, with May at 73% and November at 76%. For more details on November conditions specifically, you can visit Byron Bay weather in November.

May and December display striking differences in weather patterns. In May, temperatures range from a minimum of 9°C (49°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). This month experiences about 61 mm (2.4 in) of precipitation spread over 11 days, accompanied by a humidity level of 73%. In contrast, December boasts much warmer conditions, with a minimum temperature of 17°C (63°F) and a maximum reaching 35°C (95°F), averaging 24°C (75°F). The precipitation increases significantly to 147 mm (5.8 in) over 14 days, along with a higher humidity level of 80%. For further insights, you can visit Byron Bay weather in December.

Compare Byron Bay's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Byron Bay

May in Byron Bay offers a delightful transition into winter, with comfortable temperatures hovering around a pleasant average of 18°C (65°F) while peaking at a warm 27°C (80°F). This month experiences increased humidity and some rainfall, featuring about 11 days of precipitation, making it distinctively cooler and a bit wetter compared to the preceding summer months. It's a wonderful time to enjoy the region's natural beauty, although the cozy vibe might inspire visitors to savor less beach time and more leisurely indoor activities. For a deeper understanding of the seasonal variations, check out Byron Bay Climate.