If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Shimoga: The hottest months are usually April and March, with an average temperature of 27°C, while the coldest months are January and December, with an average of 24°C. The rainiest months in Shimoga are July, June, August and September, with each month seeing an average of 209 mm of rainfall.