This month is 今月「こんげつ」like someone else said, but as for the others that’s a little bit of a weird question. どの I think would never be used, if you were trying to ask for example “what month is it” I think that would always use 何. Like 「何月ですか」.
As for その and あの I really don’t know if that’s proper grammar because I have never seen or heard a context where you might want to use them. I guess maybe if somebody was talking about a particular month, and you wanted to ask something about “that month”? But in that case I feel like it would be more natural to repeat whatever the actual specific month was that they said. Somebody correct me if I’m wrong though.
You can use sono ano with “toki” (time): sono toki, ano toki. You can’t really use it with specific units of time such as months or years, with the exception being days – sono hi, ano hi.
Kono hi – becomes kyou or honjitsu
dono hi is something I have heard used, but it is uncommon.
kono toki becomes ima or konkai, kondo depending on context
dono toki becomes itsu
When you want to point to a month without actually saying the name of the month, you use “tsuki” instead of “getsu”. Kono tsuki = this month
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You would use 今月（こんげつ）
This month is 今月「こんげつ」like someone else said, but as for the others that’s a little bit of a weird question. どの I think would never be used, if you were trying to ask for example “what month is it” I think that would always use 何. Like 「何月ですか」.
As for その and あの I really don’t know if that’s proper grammar because I have never seen or heard a context where you might want to use them. I guess maybe if somebody was talking about a particular month, and you wanted to ask something about “that month”? But in that case I feel like it would be more natural to repeat whatever the actual specific month was that they said. Somebody correct me if I’m wrong though.
You can use sono ano with “toki” (time): sono toki, ano toki. You can’t really use it with specific units of time such as months or years, with the exception being days – sono hi, ano hi.
Kono hi – becomes kyou or honjitsu
dono hi is something I have heard used, but it is uncommon.
kono toki becomes ima or konkai, kondo depending on context
dono toki becomes itsu
When you want to point to a month without actually saying the name of the month, you use “tsuki” instead of “getsu”. Kono tsuki = this month