A job seeker reviews an employment application at the San Jose Career Fair in San Jose, California.

The number of Americans filing for unemployment benefits rose to a five-month high last week, but likely does not signal a deterioration in the labor market as the underlying trend remained consistent with tightening conditions.

Initial claims for state unemployment benefits increased 13,000 to a seasonally adjusted 282,000 for the week ended Dec. 5, the highest level since early July, the Labor Department said on Thursday. The prior week's claims were unrevised.