Could this be the one? Trouble is, it's not a Glen Campbell song.

Copied from http://www.luma-electronic.cz/lp/a/Liz/liz_ifthecreek.htm

RAINY SEASON'S OVER
(Liz Anderson)
« © '69 Greenback Music »

It hurts so much to lose you, like rain my tears will shed.
I thought the storm would never disappear.
But I'm starting to forget you. Till now I've never had
That good sense to come in out of my tears.
The rainy season's over. I just saw the sun.
The tears that I've been crying will dry up one by one.
I've been so deep in teardrops, at times I thought I'd drown,
But the rainy season's over now.

My tears have all stopped falling. each day your memory
Fades more away and one day will be gone.
I have trouble now recalling your kisses warm and sweet,
And you'll soon be in the past where you belong.
The rainy season's over...
Yes, the rainy season's over now.

[Sung by Liz Anderson on "If the Creek Don't Rise," 1969.]