Adelaide in May

In May, Adelaide averages 17°C (63°F) during the day and 11°C (52°F) at night, with frequent rain — about 16 days of the month see precipitation (71 mm total).

Shoulder

Conditions are cool — bring a jacket for evenings. Expect daily rain or showers, often in heavy bursts.

May is one of the wetter and less comfortable months in Adelaide. If your dates are flexible, consider a different time of year.

17°C
Avg high
11°C
Avg low
16
Rain days
71 mm
Rainfall

How May compares to the rest of the year in Adelaide

8th
warmest month of the 12
4th
wettest month of the 12
12%
of yearly rainfall falls in May
10 h 19 min
daylight on the 15th

May is in the middle of the year for warmth in Adelaide (8th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 3°C below the annual average (21°C). May runs 4°C cooler than April (21°C) and cools 3°C in June (15°C).

May sunrise & sunset in Adelaide

🌅
Sunrise (15th)
7:02 AM
🌇
Sunset (15th)
5:21 PM
Day length
10 h 19 min

Times shown for Adelaide local time (Australia/Adelaide), calculated for the 15th of May. They shift by a few minutes day to day across the month.

Photography light in Adelaide — May

Golden-hour and blue-hour windows for the 15th of May, in Adelaide's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:02 AM – 6:42 AM
🌄 Golden hour (AM)
6:42 AM – 7:42 AM
🌇 Golden hour (PM)
4:41 PM – 5:41 PM
🌆 Blue hour (PM)
5:41 PM – 6:21 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Adelaide in May

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Shoulder) and Adelaide's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — May in Adelaide

Shoulder

Adelaide is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Sun & mosquito risk — May in Adelaide

☀️ UV Index (noon, 15th)
6.5
High
Cover up and apply SPF 30+ for any outdoor activity longer than 30 minutes.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Adelaide in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 28°C / 82°F 17°C / 62°F 34 mm 8
February 27°C / 81°F 17°C / 62°F 23 mm 6
March 25°C / 77°F 15°C / 60°F 20 mm 9
April 21°C / 71°F 13°C / 56°F 53 mm 12
May 17°C / 63°F 11°C / 52°F 71 mm 16
June 15°C / 58°F 9°C / 48°F 83 mm 17
July 14°C / 57°F 8°C / 47°F 88 mm 19
August 15°C / 59°F 8°C / 47°F 78 mm 18
September 17°C / 63°F 10°C / 49°F 53 mm 15
October 21°C / 69°F 12°C / 53°F 47 mm 14
November 23°C / 73°F 13°C / 56°F 42 mm 11
December 26°C / 79°F 15°C / 59°F 23 mm 9

Other cities with similar May weather

🌍 See the full ranked list of climate twins for Adelaide in May →

Frequently asked questions

How hot is Adelaide in May?

In May, Adelaide averages a high of 17°C (63°F) and a low of 11°C (52°F) — generally mild and pleasant.

Does it rain a lot in Adelaide in May?

May is quite rainy in Adelaide, with about 16 rainy days on average.

Is May a good time to visit Adelaide?

May is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Adelaide in May?

Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full May packing list for Adelaide for a complete, climate-based checklist.

Open Adelaide on the interactive map

Check the live 10-day forecast and sunrise/sunset.