Wadi Rum is located in the southern part of Jordan, and as a result, the weather can be quite hot and dry for most of the year. The region has a desert climate, which means that the temperatures can fluctuate greatly between day and night.

The summer months (June to August) are typically the hottest in Wadi Rum, with temperatures averaging around 40°C (104°F) during the day and dropping to around 20°C (68°F) at night. It is important to stay hydrated and avoid exposure to direct sunlight during this time.

The winter months (December to February) are cooler, with average daytime temperatures ranging between 10°C (50°F) and 20°C (68°F). Nighttime temperatures can drop to below freezing, so it is important to pack warm clothing and bedding if planning to camp or sleep outdoors.

Spring (March to May) and autumn (September to November) are considered the best times to visit Wadi Rum as the temperatures are milder, and there is less chance of extreme heat or cold. Daytime temperatures range between 20°C (68°F) and 30°C (86°F), while nighttime temperatures range between 5°C (41°F) and 15°C (59°F).

Overall, visitors to Wadi Rum should be prepared for hot and dry conditions, particularly during the summer months. It is essential to pack appropriate clothing, sunscreen, and plenty of water to ensure a comfortable and enjoyable trip.