That would depend upon location. Parts of the Mojave Desert have be known to exceed 130 degress F. in the summer and some areas of the Colorado Plateau Desert may drop below zero degrees F. in winter.
There are hot subtropical deserts, cold winter deserts and cool coastal deserts so you need to specify a particular desert location.
desert
Desert biome is very dry, characterized by low precipitation levels and high temperatures.
Deserts get little rainfall and some of them are quite hot - but not all. There are cold deserts also.
A cactus typically lives in desert biomes, where they are adapted to survive in arid conditions with low rainfall and high temperatures.
The largest sand desert is the Arabian desert. The temperatures remain high all year round. Averages high temperatures in summer are generally over 40 C (104 F) at low elevations, and can even soar to 46 C (114.8 F) at extremely low elevations, especially along the Persian Gulf near the sea level. Averages low temperatures in summer remain high, over 20 C (68 F) and sometimes over 30 C (77 F) in the southernmost regions. Record high temperatures are above 50 C (122 F) in much of the desert, due in part to very low elevation.
There are 26 major desert areas in the world and each has its own specific climate data so there is no single answer to your question. Temperatures range from a low record temperature of -135.8 degrees F in Antarctica to a record +134 degrees F in Death Valley of the Mojave Desert.
The Gobi Desert which is in north central China on the border with Mongolia can be very hot in summer but bitterly cold in winter.
The Mojave is a low, subtropical desert while the Colorado Plateau Desert is a high, cold winter desert.
no one stinken knows what the high and the low temperatures are for christmas florida
A desert is an area with common physical features such as high temperatures, low precipitation, and sandy terrain.
The Colorado Plateau Desert is a high cold winter desert.