It is lower then for Warmer air
Look at this extremely similar question answered by me and RR12345: http://wiki.answers.com/Q/Why_do_areas_of_high_elevations_have_lower_temperature&updated=1&waNoAnsSet=2
Zero percent holding capcity, if the temperature and compositon of both liquids are equal.
The capacity of air to hold water vapor increases with a temperature increase of the air.
Warmer air can hold more than cooler air. Don't know exactly how much though unless you know the temperature.