1 U.S. Citizens who have applied and been approved for the TSA PreCheckÂ® Application Program. 2  Any active duty, U.S. Armed Forces service members in the Air Force, Army, Coast Guard, Marine Corps, and Navy, as well as the Reserves and National Guard, with a DOD ID (Effective for travel on December 20th and after).SA PreCheck expedited screening lanes continue to grow and are currently available in the following Southwest Airlines airport locations. For a complete list of all participation airports, visit http://www.tsa.gov.
Climate & Weather â When to visit St. John. It is warm year-round on St. John. The average max temp. is 84-89Â°F, with August being the hottest month and Dec-Jan the coldest. The average min temp is 73Â°F-80Â°F. You will rarely need anything long, except for supermarkets, where it is freezing or to protect yourself from sunburn or bug bites. The average water temperature is 82Â°F.
Days of Hot Weather in Saint John. A hot day at St John means highs in the twenties Celsius. Most summer days here get that warm, along with a few in spring and fall. The thermometer can nudge above 30 Â°C (86 Â°F), but that happens only for one day a year on average. Days per month in Saint John above 10 or 20 Â°C.