Visiting Montana in July

Question

We noticed temperatures were in the high 90's last summer. Is this typical mid summer?

Answer

Yes, it’s not uncommon for temperatures in Montana to reach into the high 90s during the summer, particularly in mid-to-late July. While the state is known for its cooler climate overall, summer temperatures, especially in areas like the eastern plains and lower elevations, can experience hot spells. Here’s a breakdown of what you might expect:

1. Typical Summer Temperatures: In the peak of summer, especially around mid-July, temperatures in many parts of Montana, including cities like Billings and Great Falls, can climb into the 90s°F (32-37°C). However, in the mountainous areas and higher elevations, temperatures tend to be cooler. For example, the mountain areas of Glacier National Park may see daytime highs in the 70s or 80s°F (21-28°C), while nighttime lows can dip to the 50s°F (10-15°C), providing a much more comfortable climate.

2. Regional Variations: Montana's vast size and diverse geography mean that the weather can vary widely depending on where you are. The eastern side of the state, with cities like Billings and Miles City, is generally warmer and can experience more extreme summer heat. In contrast, the western side, particularly in places like Missoula, Bozeman, and the areas around Glacier National Park, tends to be milder, especially at higher altitudes.

3. Dry Climate: Even though temperatures can soar, the air in Montana is generally dry, especially in the plains and valleys. This dry heat can feel less oppressive than the humidity many people are accustomed to in other parts of the U.S. However, this can also mean that temperatures can fluctuate more dramatically between day and night.

Eastern Montana (Billings, Miles City): Highs in the 90s°F (32-37°C), low humidity, and a dry heat.
Western Montana (Missoula, Bozeman): More moderate temperatures in the 80s°F (27-30°C), with cooler nights in higher elevations.
Glacier National Park/High Elevations: Cooler, with daytime temperatures in the 70s°F (21-26°C) and cooler evenings.

So, while high 90s can be expected in some parts of the state, it’s important to note that cooler weather can also be found depending on where you are. If you’re planning to visit the mountains or higher-altitude parks, expect more comfortable temperatures. For those visiting lower-elevation cities or the eastern part of the state, prepare for the possibility of heat during the day, but with the relief of cooler evenings. Make sure to stay hydrated and wear sunscreen, as the sun can be intense even when temperatures are not extremely high.

Visiting Montana in July

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