December weather forecast and Climate
Graz, Austria AT

• The average high temperature in December: 2°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (0°C).

• The average low temperature in December: -5°C

Months with the highest average low temperature are July and August (12°C).
The coldest month (with the lowest average low temperature) is January (-7°C).

• The average rainfall in December: 51mm

The wettest month (with the highest rainfall) is July (131mm).
The driest month (with the lowest rainfall) is January (40mm).

• The average rainfall days in December: 11 days

Months with the highest number of rainy days are May and June (15 days).
The month with the lowest number of rainy days is October (9 days).

• The average daylight in December: 9h

The month with the longest days is June (Average daylight: 16h).
Months with shortest days are January, November and December (Average daylight: 9h).

• The average sunshine in December: 2h

The month with most sunshine is July (Average sunshine: 8h).
Months with least sunshine are January and December (Average sunshine: 2).

• The average UV index in December: 1

The month with the highest UV index is June (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).