in Science The smell of rain is caused by a bacteria called actinomycetes by Web Desk October 2, 2016, 10:36 am 785 Views The smell of rain is caused by a bacteria called actinomycetes. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *