Normal weather on 20 May in Great Smoky Mountains National Park
The weather on 20 May in Great Smoky Mountains National Park has an average temperature of about 26°C during the day. The maximum temperature can reach up to 31°C, while the minimum temperature can be 18°C.
On average, 2 mm of rain falls in Great Smoky Mountains National Park on 20 May. The wind speed is 3 Beaufort and mainly comes from West.
20 May Averages for Great Smoky Mountains National Park
 Average temperature | 26°C |
 Highest daytime temperature | 31°C |
| Lowest daytime temperature | 18°C |
 Total rainfall | 2 mm |
| Rainy days | 1 day |
Temperature on 20 May in Great Smoky Mountains National Park per Year
This graph shows the measured temperature on 20 May in Great Smoky Mountains National Park per year, measured in degrees Celsius, over the past years.
Precipitation on 20 May in Great Smoky Mountains National Park per Year
This graph shows the total measured precipitation in millimeters on 20 May in Great Smoky Mountains National Park per year over the past years.
Average weather in Great Smoky Mountains National Park per month
Click on a month below to see in detail how the weather typically is in Great Smoky Mountains National Park and what to expect. Based on the historical weather data of Great Smoky Mountains National Park, you can view the average temperature, precipitation, wind, and UV index for each day of the month.