The average price of coffee beans has increased by 21.6 per cent to $3.65 a kilogram this year, according to industry researcher IBISWorld.

This price is forecast to increase even more by the end of the year as Brazil, the world's biggest coffee supplier, recovers from the destruction of about 20 per cent of its coffee plants.

Lachlan Robinson, the owner of Full Circle Coffee Roasters in Wagga, said the damage in Brazil has caused a domino effect that is already being felt in the Riverina.

"The suppliers that I buy Brazilian coffee through have all had a pretty significant increase in price recently," he said.

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"In Brazil there was a huge amount of crops that were killed off in the frost and while they've still got stock on hand at the moment from the last harvest, the next harvest is going to be pretty short so it's going to push prices up quite a bit."

Mr Robinson buys coffee beans from all over the world through importers based in Sydney and Melbourne, and said he has noticed an increase of up to 20 per cent on some varieties.

The price hike has forced him to up the cost of the coffee beans he sells online and he said he is "probably going to have to" ask for more from the local cafes he supplies.

This could result in an increase in the cost of a cup of coffee from local cafes, but Trail Street Coffee Shop manager Jesse Rendell said he is confident Wagga residents will understand.

"There could be a percentage of people that would be upset about it but they'll cool down after a while," Mr Rendell said.

"In general Wagga has a great customer base and the main thing we're realised suring this time is they're very easy going and supportive."

Mr Robinson believes coffee increasing in price "isn't necessarily a bad thing" despite the initial concerns customers might have.

"Considering the whole process of how a cup of coffee comes to be it's really pretty cheap at the moment," he said.

"In a lot of other industries, for instance craft beer, prices tend to go up quite often and most people don't complain but coffee has always stayed pretty stagnant."

"It's just something people will have to adapt to."

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