During the summer months, the temperatures on cloudless nights can drop as low as 5° C (41 °F) after reaching over 40 °C (104 °F) during the day. Winter days are not as hot, so the nightime temperatures often drop below freezing (0 °C or 32 °F).
Hot and Dry.
The answer depends upon the specific location as well as the season of the year.
No unless its part of a name like the Sahara Desert
DRY
hot?
The average temperature (day-night) is about 86 degrees. During the day the temperature can reach nearly 120 degrees F in places while the nights can cool off to the 50s and 60s.
the temperature is 70-90.
It's brownish
Do you mean the Sahara Desert? There is no Safarri Desert.
The weather in Egypt in January is not as hot as you imagine. It is in the desert and in Africa but northern Egypt in January can be cold at night and it does rain.
The west coast is.
I think (if you mean the only desert with sand dunes everywhere) that the Sahara isn't. I've seen pictures of deserts with sand dunes everywhere, and most of them weren't the Sahara. However, if your talking about its size, the Sahara is the largest (hot) desert on Earth.