How the average temperature changes in the first 5 months of the year

If you could specify the temperature of what you need would be better, like the temperature of the earth or such. But from what I can guess is that temperature changes because of the Earth's tilt and revolution around the sun causing seasons and the moon orbiting the earth which cause the day and nights we experience.

hope this benefits at least a portion of your question

If you can remember when you could actually buy a black-and-white tv, then you’re old.