DUBAI, Aug 22 (Reuters) - Saudi Arabia's finance ministry said on Tuesday it had sold 13 billion riyals ($3.5 billion) of local currency Islamic bonds in its latest monthly offer of sukuk, with the offer 295 percent subscribed.

It sold 2.1 billion riyals of five-year sukuk, 7.7 billion riyals of seven-year and 3.2 billion riyals of 10-year.

(Reporting by Andrew Torchia) ((andrew.torchia@thomsonreuters.com; +9715 6681 7277; Reuters Messaging: andrew.torchia.thomsonreuters.com@reuters.net))