Planning for the weather is a good way to make your trip to Seri Tanjung Pinang relaxing and enjoyable, especially when you’re splurging. The hottest months are usually March and April with an average temp of 82°F, while the coldest months are January and December with an average of 80°F. The rainiest months in Seri Tanjung Pinang are November, October, December, and May, with each month seeing an average of 13 inches of rainfall.