As a general rule, arrive at the airport no later than two hours before your domestic flight is scheduled to depart. This is somewhat later than the typical suggestion of three hours for an international flight.
Oxford: Annual Weather Averages. July is the hottest month in Oxford with an average temperature of 16Â°C (61Â°F) and the coldest is January at 4Â°C (39Â°F) with the most daily sunshine hours at 9 in June.
In Oxford, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. The clearer part of the year in Oxford begins around June 13 and lasts for 4.5 months, ending around October 30.