The phrase "a positive month" is correct and usable in written English.
You can use it to describe a month that has been characterized by good events, achievements, or overall positive experiences.
Example: "After reflecting on the past few weeks, I can confidently say that it has been a positive month for our team, filled with successful projects and great collaboration."
Alternatives: "an uplifting month" or "a fruitful month".
"Historically, January is a positive month for the market, and you're seeing that play out," said Michael Sheldon, chief market strategist at the RDM Financial Group in Westport, Conn.
Limited Brands also stands to show a positive month, thanks mainly to a successful semi-annual sale at Victoria's Secret.
When you do have a positive month or quarter, it becomes imperative to save a significant percentage in your business accounts.
Delta Airlines also had a positive month, reporting 11,700 passengers, 1,914 more than in 2018.
One of them, Leonid Volkov, said: "The march in the Marino district which we had planned – a positive march with flags and balloons – does not fit this tragic moment and the magnitude of Nemtsov's persona, as well as the magnitude of the red line we have now crossed and which we have not yet recognised".
Construction job growth did turn positive in March and April, and Real Estate job growth had a rare positive month in April.
It never threatened to come, and while Wales talked afterwards about a largely positive month and how they wanted to become the first team to win the Six Nations three years in a row, they were hurting.
He didn't have a positive trading month until January.
For the second month in a row, President Obama had an all-around positive month in the public polls.
Concerns about slower economic growth overshadowed a mostly positive January for stocks, with solid corporate earnings helping to offset some of those fears.
While the inferior quadrant of the RNFL profile of this eye illustrates a false positive OCT result, the scan in figure 6A has evidence of local damage in the superior quadrant of the disc.
