I seem to be photographing on farms a lot lately. Although I can't complain since the weather has been fantastic - look at that perfect blue sky!
It doesn't look it, but it was really windy for this portrait shoot for a trade magazine. I set up a 4x3 foot soft box on a stand just to the side of me and, even though it was sandbagged, I still had to put one foot on it to make sure it didn't blow over!
Most people think that bright sunshine is great for photography, and it can be, you just have to be really careful where you put the subject in relation to the sun, and then be prepared to add some extra light to create good light on the subject's face.