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.
Oxford: Weather Forecast. The warmest day over the next 7 days in Oxford is forecast to be 21st April at 16Â°C (61Â°F) and the warmest night on 16th April at 6Â°C (43Â°F). The average temperature over the next 7 days is forecast to be 13Â°C (55Â°F) and there will be 3 days of sunshine . The average for April is 8Â°C (46Â°F) in Oxford.