United StatesThe weather in August in Montana
It's warm in August in Montana with an average temperature of 27°C. Temperatures this month range from a low of 24°C to a high of 31°C. At night, you can expect temperatures between 11°C and 16°C.
Looking for great weather? August is a good time to be in Montana. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Montana, United States. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2018, Montana reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 8°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 22°C.
Rainfall amount
In August, there is an average of 53 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in August for Montana
Click on any day in August to get detailed info about the usual weather on that day in Montana. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Montana | New York | |
|---|---|---|
| Average temperature | 27°C | 30°C |
| Max. temperature | 31°C | 31°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 53 mm | 79 mm |
| Rainy days | 9 days | 13 days |
Start of August
The month of August starts in Montana with hot temps, averaging around 28°C during the day and nights around 14°C.
Mid August
By mid-August, daytime temps drop to around 27°C, with nights around 13°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Montana is around 26°C, while nighttime temps are about 12°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable vacations to Montana
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Montana for all months and discover the best travel time
The climate in Montana is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Montana to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in August in Montana, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Montana
Temperature in August in Montana over the years
Precipitation charts
These charts show the average amount of precipitation in August in Montana, United States. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Montana
Total precipitation in August in Montana over the years
Daily UV index in August in Montana
This chart shows the average daily UV index in August in Montana, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Montana
Have you been to Montana in August?
Share your weather experience in August in Montana.
Average weather in Montana by month
Click on a month below to see detailed weather info for Montana. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.