Port Douglas
Weather by month
Current – 10-day forecastForecast

Port Douglas Weather in May

During May, Port Douglas experiences high daytime temperatures of 26°C (79°F) and cooler nights around 21°C (70°F). Expect quite a bit of rainfall. Around 82 mm (3.2 in) is typical.

Rainfall in Port Douglas in May

Based on our climate data of the past 30 years, about 8 days of rain are anticipated, with 82 mm (3.2 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Port Douglas in May

Port Douglas has excellent weather in May, with days reaching 26°C (79°F) and nights cooling to 21°C (70°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Port Douglas in May

Enjoy a sunny month with about 210 hours of sunshine, the clear skies make Port Douglas even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September, October and November typically offer the best weather for Port Douglas.

Port Douglas Temperature in May

Min Temperature
21°C (70°F)
Max Temperature
26°C (79°F)
Chance of Rain
28%
Precipitation
82 mm (3.2 in)
Rainy days
8 days
Humidity
71% *
Sunshine
210 hours *
Percentage Sunshine
*
* Data from: Cairns, Australia (53 KM, 33 Miles).

Port Douglas Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Port Douglas - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Port Douglas typically stay consistent throughout May, with daily highs averaging around 26°C (79°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 22°C (72°F).

Average temperatures in May

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in May

Historical weather records for Port Douglas in May

Browse day-by-day weather records for Port Douglas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Port Douglas historical weather extremes in May

According to our 50 years of weather records for Port Douglas, the following extremes were recorded between 1976 and 2026.

  • Port Douglas recorded its highest May temperature of 31°C (88°F) on May 1, 2007.
  • Port Douglas experienced its chilliest May day on May 22, 1984, reaching only 20°C (68°F).
  • Port Douglas registered its coldest May night on May 22, 2001, with temperatures dropping to 11°C (52°F).

Best Places in Australia in May

Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Port Douglas in May

Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Port Douglas in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    8/10
  • Outdoor sports
    7/10

Port Douglas 3-Day Forecast

More climate data for Port Douglas

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.