Temperatures in May
It's warm in May in Cairns with an average temperature of 28°C. Temperatures this month range from a low of 26°C to a high of 30°C. At night, you can expect temperatures between 19°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Cairns in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Cairns with hot temperatures, averaging around 30°C during the day and nights close to 22°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature drops to around 29°C, with nights close to 22°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of May
By the end of May, the average daytime temperature in Cairns will be around 28°C, with nights close to 21°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
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Water temperature
The water temperature at Cairns is 28°C this month. Nice and warm for a swim.
Precipitation in May
In May, there is an average of 75 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 32% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Cairns. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Cairns in May |
London | ||
|---|---|---|---|
 Average Temperature |
28°C | 18°C | |
 High Temp |
30°C | 21°C | |
| Low Temp |
26°C | 15°C | |
 Total Precipitation |
75 mm | 46 mm | |
| Rainy Days |
10 days | 8 days | |
April
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Cairns?
Want nice weather? Then May is a great time to be in Cairns. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Cairns in May
With 31°C, Cairns hit the highest temperature in the last 10 years in May 2016. The lowest daytime temperature in this month was 21°C in 2020. The extreme night temperatures ranged from a low of 11°C to a high of 26°C.
Check out the climate of Cairns for all months and discover the best travel time
Curious about the climate in other parts of Australia? Check out the weather and climate in places like Sydney, Gold Coast, Melbourne, or have a look at other destinations in Australia.
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Daily Temperature in May in Cairns
This chart shows the average daily temperatures, both day and night, for each day in May in Cairns, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Cairns
The chart below shows the average daily precipitation in May for Cairns, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 10 days of rain in Cairns.
Daily UV Index in May in Cairns
This chart shows the average daily UV index in May in Cairns, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Cairns Over the Years
This chart shows the average temperature in May in Cairns, measured in degrees Celsius, over the past years.
Total Precipitation in May in Cairns Over the Years
This chart shows the average precipitation in May in Cairns, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Cairns
Click on a specific day in May for detailed info on the typical weather on that day in Cairns. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Cairns
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Average Weather in Cairns by Month
Click on a month below to see detailed weather info for Cairns. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
