Jordan
1 city
TTDI covers Petra for Jordan. Every city page answers the canonical traveler questions (best time to visit, daily costs, where to stay) composed from the TTDI database.
TTDI's Jordan guide currently covers 1 city. Petra holds all 41 published pages, a concentrated pass through 1 destination rather than a thin spread across the country. If you are heading to Petra, those 41 pages cover practical ground you can build a trip around.
Start with Petra. It is the only covered city right now, and the 41 pages behind it have enough depth to be useful for trip planning. August in Petra averages 33°C with 0 rain days, flat dry heat for the full month. February sits at the other end. The average high drops to 14°C with 8 rain days. The gap from 33°C and 0 rain days to 14°C and 8 means your choice of month likely changes the entire trip.
Jordan's measured climate in Petra runs from an average high of 14°C with 8 rain days in February to 33°C with 0 rain days in August.