Yes that's high for CPU, but it's normal for GPU. If you check that other thread where we were discussing the 4670, I did make a couple recommendations for you.
One thing I forgot to ask there is if your CPU fan is running at 100%. If it is already, then please, read on. If not, crank it up and see if it helps.
I haven't the slightest clue what you'll be able to find in Jamaica, as I do not live there. But, you should try to find a shop or website that either has or can order a high-performance aftermarket heatsink/fan. If you can't find one that can do that, at least try to find one that has/can order Arctic Silver thermal grease, preferably either Arctic Silver 5 or the new CMQ-22G ceramic grease. Both are extremely good and should reduce your idle temps by an absolute minimum of 2-5C over any stock adhesive, and likely even more under load.
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