maintain the cpu temp below 70 c at all costs .since the mobo temp is already low it should not be a problem. if u r worried install a good cooler to lower the temperature. simple as that...
Intel does not provide temperature ranges for each processor, as it varies by processor.
However, temperature ranges could go from 50C to 80C.
The following link will provide more information about the Processor operation temperature Processors — Processor operation temperature FAQ