Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Adelaide, Australia

  • The average high temperature in May: 18.9°C

The warmest month (with the highest average high temperature) is February (29.4°C).
The month with the lowest average high temperature is July (15.3°C).

  • The average low temperature in May: 10.2°C

The month with the highest average low temperature is February (17.2°C).
The coldest month (with the lowest average low temperature) is July (7.5°C).

  • The average humidity in May: 55%

The month with the highest relative humidity is June (61%).
Months with the lowest relative humidity are January and February (36%).

  • The average rainfall in May: 59.9mm

The wettest month (with the highest rainfall) is June (79.3mm).
The driest month (with the lowest rainfall) is February (13.5mm).

  • The average rainfall days in May: 12.1 days

The month with the highest number of rainy days is August (16.6 days).
The month with the lowest number of rainy days is February (3.6 days).

  • The average sea temperature in May: 18°C

The best month for swimming (with the highest average sea temperature) is February (20°C).
Coldest months (with the lowest average sea temperature) are August, September and October (15°C).

  • The average daylight in May: 10h

Months with the longest days are January, November and December (Average daylight: 14h).
Months with shortest days are May, June and July (Average daylight: 10h).

  • The average sunshine in May: 5.4h

The month with most sunshine is January (Average sunshine: 10.5h).
The month with least sunshine is June (Average sunshine: 4.6h).

  • The average UV index in May: 3

Months with the highest UV index are January and December (UV index 12).
Months with the lowest UV index are June and July (UV index 2).