There is some evidence that solar activity influences the Earth's climate.
How and by how much? some theories have been formed and links between the sunspot cycle and specific monsoon patterns has been published. And there was a little ice age monitored in Europe when there was an extended period on no sunspots.
Sunspot numbers have been tracked for about 400 years.
Sun wakes up from a prolonged slumber, the sunspot level for February was 31, not a high number, but last year we had two months with zero sunspots and by some measures the Sun was a quiet as it has been in 50 years and 100 years depending on how you interpreted the data.
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Other climate influences are the Earth's tilt. orbit, and geology. As the Himalayas formed the rain that now falls in India and surrounding countries fell in other regions. And the monsoons do erode the mountains. A very complex system makes up our climate.