It’s not hot or cold weather which affects arthritis but rather the change in pressure. I was told this by my arthritis doctor, and arthritis uk seem to agree.
I bought these gloves ( I have Rheumatoid Arthritis). They were useless, made my hands very hot and itchy and did not help with pain or stiffness. Turmeric and Black Pepper supplements have helped me in conjunction with the Biological Therapy I'm now on.