what's the weather like in billings montana?
Average Weather in August in Billings Montana, United States For reference, on July 27, the hottest day of the year, temperatures in Billings typically range from 63Â°F to 90Â°F, while on January 1, the coldest day of the year, they range from 20Â°F to 36Â°F. Average High and Low Temperature in August Average Weather in February in Suva Fiji Average Weather in August in Billings Montana, United States. In Billings, the month of August is characterized by falling daily high temperatures, with daily highs decreasing by 6Â°F, from 89Â°F to 83Â°F over the course of the month, and rarely exceeding 98Â°F or dropping below 71Â°F.