The 'Oh Love' band cancelled their fall and winter 2012 tour, while Armstrong sought medical treatment for a variety of personal issues.
Green Day have now posted a statement on their website to confirm that they will return to touring in March with a special show at the All State Arena in Chicago.
Armstrong also wrote a personal message to Green Day's fans to thank them for standing by him during such a troubling time in his life.
He wrote: "Dear friends… I just want to thank you all for the love and support you've shown for the past few months. Believe me, it hasn't gone unnoticed and I'm eternally grateful to have such an amazing set of friends and family. I'm getting better everyday.
"So now, without further ado, the show must go on. We can't wait to get on the road and live out loud! Our passion has only grown stronger."
Green Day will be touring to promote their three new studio albums ¡Uno!, ¡Dos! and ¡Tré!.
The dates for Green Day's Spring North American tour are below:
March 28 - Allstate Arena, Chicago, IL
March 29 - i Wireless Centre, Moline, IL
March 31 - Consol Energy Centre, Pittsburgh, PA
April1 - Blue Cross Arena, Rochester, NY
April 3 - Liacourias Centre, Philadelphia, PA
April 4 - Patriot Centre, Fairfax, VA
April 6 - Mohegan Sun Arena, Uncasville, CT
April 7 - Barclays Centre, Brooklyn, NY
April 9 - Dunkin Donuts Centre, Providence, RI
April 11 - Air Canada Centre, Toronto, ON
April 12 - Quebec Colisée Pepsi, Quebec City, QC
Watch Green Day's 'Oh Love' music below: