This was no mild spring shower, 'twas a fierce rain.

It was a night of mist, with occasional fierce rain.

The days grew longer and warmer, and the rains less fierce.

The fierce rain was being driven horizontally by the wind, and it tore at him like sheets of nails.

Nothing else moved on the plain; not even birds or small animals had come to scavenge in the fierce rain.

A fierce rain from a hot white sky, barely refreshing.

The night before, a fierce rain lashed the train's camp.

Hail meant high winds and fierce rain, and sure enough a storm roared across our farm.

The smoke from burning decks rose against the rain, fierce and hot as vengeance.

These storms generally feature significantly lower than average temperatures, fierce rain or hail, thunder and strong winds.