Find cheap hotels in Boulder

Exploring Boulder

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

• Elkhorn State Park
• Bull Mountain State Wildlife Management Area

When arranging your Boulder getaway, you can also use ebookers to search for a convenient flight to Helena, MT (HLN-Helena Regional) Airport. You can narrow down your search by number of stops, airline or departure time to identify one that'll meet your needs.

When is the Best Time to Explore Boulder?

If you're wondering when is the best time of year to travel to Boulder, you may find this information about seasonal weather helpful when you are organising your getaway. The warmest months in Boulder are typically July and August, whereas the coldest months are usually December and February. The months with the most rain are June and May, whereas January and February 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 4°C and at night it is -12°C. Seasonal average rainfall is 81 mm.
• If you visit between April and June, you can expect an average temp of 21°C during the day and -4°C at night. Average rainfall during this season is 227 mm.
• The daytime average temp from July to September is 27°C and the night-time average is 6°C. Average precipitation for this season is 113 mm.
• Between October and December, the average temp during the day is 11°C and -13°C at night. Seasonal average rain is 96 mm.
• Average annual rainfall in Boulder is 516 mm.