Find 72 hotels in Grand Isle

Exploring Grand Isle

The city of Grand Isle has some interesting things to see and do. Popular attractions in and around Grand Isle include:

• Long Lake
• Ski Mont Farlagne
• New Brunswick Botanical Garden
• Les Jardins de la Republique Provincial Park
• Madawaska Lake
• Lake Mountain
• Maine Acadian Culture

When is the Best Time to Explore Grand Isle?

If you're wondering when is the best time of year to travel to Grand Isle, you might find this info about seasonal weather useful when you are planning your trip. The warmest months in Grand Isle are typically July and August, whereas the coldest months are usually January and February. The months with the most rain are July and October, whereas February and January have the least.

Here's an overview on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is -1°C and at night it is -16°C. Seasonal average rainfall is 243 mm.
• If you visit between April and June, you can expect an average temp of 20°C during the day and -3°C at night. Average rainfall during this season is 346 mm.
• The daytime average temp from July to September is 24°C and the night-time average is 8°C. Average precipitation for this season is 361 mm.
• Between October and December, the average temp during the day is 11°C and -11°C at night. Seasonal average rain is 344 mm.
• The average annual rainfall in Grand Isle is 1294 mm.