Jurasic time piriod weather?

Then, as now, the climate depended on your location. The world's average temperature was about 3 degrees Celsius, or 5.4 degrees Fahrenheit, warmer than today. Considering the long period of time that the Jurassic spanned, the climate changed in each area through the Jurassic.

Overall, North America and Africa were savannas with a wet and dry season.