Planning for the weather is a good way to make your trip to Tequila relaxing and enjoyable, especially when you’re splurging. The hottest months are usually May and April, with an average temperature of 23°C, while the coldest months are January and February, with an average of 19°C. The rainiest months in Tequila are July, August, September and June, with each month seeing an average of 262 mm of rainfall.