1
general::
rainy
a rainy period of time is one when it rains a lot:
• a cold rainy day in October • The weather continued to be rainy. • The rainy season is in July.
wet
rainy. Wet and rainy mean the same and are used in the same way:
• In Cyprus during the winter, you’ll only have the occasional wet day. • The wet weather is expected to continue. • another wet summer • It's been wet all week.
damp
if the air feels damp, there is a lot of moisture in the air and it may be raining slightly:
• It was a cold damp day. • a damp November morning
showery
raining for short periods:
• the cool, bright, showery weather of early April • The weather will be showery, with some sunny intervals.
drizzly
raining slightly, with a lot of mist in the air:
• The morning was grey and drizzly.
grey
British English , gray American English if the sky is grey, there are a lot clouds, and it looks like it will rain:
• The next morning, the sky was grey. • Then, as if by magic, the sun burst through what had until then been a rather grey day.
Longman-Thesaurus