Temperatures in October
It's cool in October in Grand Teton National Park with an average temperature of 13°C. Temperatures this month range from a low of 7°C to a high of 17°C. At night, you can expect temperatures between -6°C and 2°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Grand Teton National Park in October. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of October
The month of October starts in Grand Teton National Park with cool temperatures, averaging around 16°C during the day and nights close to 1°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-October
By mid-October, the average daytime temperature drops to around 14°C, with nights close to -1°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of October
By the end of October, the average daytime temperature in Grand Teton National Park will be around 10°C, with nights close to -3°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in October
In October, there is an average of 31 mm of precipitation, spread over 6 days. Of the total precipitation, about 11 cm falls as snow in October. The wind speed is around 4 Bft, mostly coming from the South.
The precipitation chance averages 19% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in October for Grand Teton National Park. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Grand Teton National Park in October |
UK | ||
|---|---|---|---|
 Average Temperature |
13°C | 15°C | |
 High Temp |
17°C | 17°C | |
| Low Temp |
7°C | 13°C | |
 Total Precipitation |
31 mm | 115 mm | |
| Rainy Days |
6 days | 14 days | |
 Total Snowfall |
11 cm | 0 cm | |
| Snowy Days |
5 days | 0 days | |
September
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Temperature records for Grand Teton National Park in October
With 24°C, Grand Teton National Park hit the highest temperature in the last 10 years in October 2015. The lowest daytime temperature in this month was -7°C in 2019. The extreme night temperatures ranged from a low of -23°C to a high of 9°C.
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Daily Temperature in October in Grand Teton National Park
This chart shows the average daily temperatures, both day and night, for each day in October in Grand Teton National Park, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in October in Grand Teton National Park
The chart below shows the average daily precipitation in October for Grand Teton National Park, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for October, you can expect around 6 days of rain in Grand Teton National Park.
Daily Snowfall in October in Grand Teton National Park
This chart shows the average daily snowfall in October in Grand Teton National Park, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in October.
Daily UV Index in October in Grand Teton National Park
This chart shows the average daily UV index in October in Grand Teton National Park, 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.
Temperature in October in Grand Teton National Park Over the Years
This chart shows the average temperature in October in Grand Teton National Park, measured in degrees Celsius, over the past years.
Total Precipitation in October in Grand Teton National Park Over the Years
This chart shows the average precipitation in October in Grand Teton National Park, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in October in Grand Teton National Park per year
This chart shows the average snowfall in October in Grand Teton National Park, measured in centimetres, over the past years.
Daily climate in October for Grand Teton National Park
Click on a specific day in October for detailed info on the typical weather on that day in Grand Teton National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in Grand Teton National Park
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Average Weather in Grand Teton National Park by Month
Click on a month below to see detailed weather info for Grand Teton National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Grand Teton National Park for all months at once
