The best times to visit Butte for ideal weather are
June 18th to September 9th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Butte Travel Guide
Other Butte Travel Info
Weather in Butte
Temperature
Average temperatures in Butte vary drastically. Considering humidity, temperatures feel cold for most of the year with a very low chance of rain or snow throughout the year. The area is less temperate than some — in the 35th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Butte, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 85.6°F (29.8°C) with temperatures rarely dropping below 47.4°F (8.6°C) at night.
Butte Temperatures (Fahrenheit)
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Butte Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Butte Perceived Temperature (F)
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Butte Perceived Temperature (C)
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Average Butte Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 35.6 | 22.5 | 11.5 |
| Feb | 34.8 | 22.1 | 11.1 |
| Mar | 46.8 | 33.3 | 21.2 |
| Apr | 52.6 | 38.1 | 25.7 |
| May | 62.1 | 46.9 | 32.8 |
| Jun | 72.8 | 56.5 | 40 |
| Jul | 83.9 | 65.5 | 46.2 |
| Aug | 81.2 | 62.5 | 44.1 |
| Sep | 72.7 | 53.7 | 36.9 |
| Oct | 58.6 | 42.1 | 28.8 |
| Nov | 39.7 | 26.1 | 14.6 |
| Dec | 32 | 19.7 | 8.7 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 2 | -5.3 | -11.4 |
| Feb | 1.6 | -5.5 | -11.6 |
| Mar | 8.2 | 0.7 | -6 |
| Apr | 11.4 | 3.4 | -3.5 |
| May | 16.7 | 8.3 | 0.4 |
| Jun | 22.7 | 13.6 | 4.4 |
| Jul | 28.8 | 18.6 | 7.9 |
| Aug | 27.3 | 16.9 | 6.7 |
| Sep | 22.6 | 12.1 | 2.7 |
| Oct | 14.8 | 5.6 | -1.8 |
| Nov | 4.3 | -3.3 | -9.7 |
| Dec | 0 | -6.8 | -12.9 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Butte are January, February, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May with an average of 2 days of significant precipitation the week of May 21st.
When can you find snow in Butte? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Butte.
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Snow on the Ground
The graph below shows the average snow on the ground in Butte (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 2% | 0 | 0.2 |
| Feb | 3% | 0 | 0.3 |
| Mar | 8% | 0 | 0.7 |
| Apr | 9% | 0 | 1 |
| May | 18% | 0 | 1.7 |
| Jun | 21% | 0 | 2.4 |
| Jul | 10% | 0 | 1.2 |
| Aug | 11% | 0 | 1.4 |
| Sep | 12% | 0 | 1.3 |
| Oct | 8% | 0 | 0.7 |
| Nov | 9% | 0 | 0.7 |
| Dec | 5% | 0 | 0.5 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 2 | 0 | 0.5 |
| Feb | 3 | 0 | 0.8 |
| Mar | 8 | 0 | 1.8 |
| Apr | 9 | 0 | 2.5 |
| May | 18 | 0 | 4.3 |
| Jun | 21 | 0 | 6.1 |
| Jul | 10 | 0 | 3 |
| Aug | 11 | 0 | 3.6 |
| Sep | 12 | 0 | 3.3 |
| Oct | 8 | 0 | 1.8 |
| Nov | 9 | 0 | 1.8 |
| Dec | 5 | 0 | 1.3 |
Humidity and Wind
Butte has some humid months, and slightly dry months in the opposite season. The least humid month is July (30.7% relative humidity), and the most humid month is December (62%).
Wind in Butte is usually calm. The windiest month is April, followed by May and June. April’s average wind speed of around 6.2 knots (7.1 MPH or 11.5 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 16.6 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Butte.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 3.7 | Barely noticeable | 10.6 | Gentle breeze |
| Feb | 4.5 | Light breeze | 12.4 | Significant breeze |
| Mar | 5.5 | Light breeze | 14.7 | Gentle breeze |
| Apr | 6.2 | Light breeze | 15.7 | Significant breeze |
| May | 5.8 | Light breeze | 14.6 | Gentle breeze |
| Jun | 5.5 | Light breeze | 14.9 | Significant breeze |
| Jul | 5.1 | Light breeze | 14.8 | Gentle breeze |
| Aug | 4.6 | Light breeze | 14.4 | Significant breeze |
| Sep | 4.3 | Light breeze | 13 | Gentle breeze |
| Oct | 4.3 | Light breeze | 12.6 | Significant breeze |
| Nov | 4.2 | Light breeze | 11.7 | Gentle breeze |
| Dec | 3.5 | Barely noticeable | 10.1 | Gentle breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 58.2% |
| Feb | 53.9% |
| Mar | 46.2% |
| Apr | 41.3% |
| May | 43.3% |
| Jun | 39% |
| Jul | 30.7% |
| Aug | 33% |
| Sep | 38.3% |
| Oct | 47.9% |
| Nov | 56.4% |
| Dec | 62% |
Is it Safe to Travel to Butte?
Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Butte, MT, US is July, followed by August and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Butte in September. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Butte Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 63.8°F (17.7°C) and 35.7°F (2.1°C) with warmer temperatures in the later months. Rain is rare with 2 to 6 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 3 to 6 days of precipitation per month. June – August is the busiest season for tourism in Butte, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 73.9°F (23.3°C) and 35.3°F (1.8°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 2 to 3 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is far too cold this time of year in Butte to be enjoyable for warm weather travelers. The average high during this season is between 41.9°F (5.5°C) and 28.9°F (-1.7°C). On average, it rains or snows a smalll amount: consistently 1 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› the United States › Butte, MT, US