Réponse :
Bonjour,
a. Don’t forget your umbrella when it’s raining.
b. I will put my gloves on if it’s cold.
c. Where are my sunglasses? It’s sunny today!
d. It’s dangerous to stay under a tree if there is a thunderstorm.
e. It’s so windy, the trees are shaking!
Explications :
it's raining = il pleut
it's cold = il fait froid
it's sunny = il fait beau / il y a du soleil
thunderstorm = orage
it's windy = il y a du vent // it's so windy = c'est tellement venteux