Planning for the weather is a good way to make your trip to Lingayen relaxing and enjoyable, especially when you're splurging. The hottest months are usually April and May with an average temp of 83°F, while the coldest months are January and February with an average of 79°F. The rainiest months in Lingayen are August, July, September, and June, with each month seeing an average of 17 inches of rainfall.